32Mb, 3V, Multiple I/O Serial Flash Memory
Features
Micron Serial NOR Flash Memory
3V, Multiple I/O, 4KB Sector Erase
N25Q032A
Features
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SPI-compatible serial bus interface
108 MHz (MAX) clock frequency
2.7–3.6V single supply voltage
Dual/quad I/O instruction provides increased
throughput up to 432 MHz
Supported protocols
– Extended SPI, dual I/O, and quad I/O
Execute-in-place (XIP) mode for all three protocols
– Configurable via volatile or nonvolatile registers
– Enables memory to work in XIP mode directly af-
ter power-on
PROGRAM/ERASE SUSPEND operations
Continuous read of entire memory via a single com-
mand
– FAST READ
– QUAD or DUAL OUTPUT FAST READ
– QUAD or DUAL I/O FAST READ
Flexible to fit application
– Configurable number of dummy cycles
– Configurable output buffer
– RESET function available upon customer request
64-byte, user-lockable, one-time programmable
(OTP) dedicated area
Erase capability
– Subsector erase 4KB uniform granularity blocks
– Sector erase 64KB uniform granularity blocks
– Full-chip erase
• Write protection
– Software write protection applicable to every
64KB sector via volatile lock bit
– Hardware write protection: protected area size
defined by four nonvolatile bits (BP0, BP1, BP2,
and TB)
– Additional smart protections, available upon re-
quest
• Electronic signature
– JEDEC-standard, 2-byte signature (BA16h)
– Unique ID code: 17 read-only bytes, including:
• Two additional extended device ID bytes to
identify device factory options
• Customized factory data (14 bytes)
• Minimum 100,000 ERASE cycles per sector
• More than 20 years data retention
• Packages (JEDEC-standard, RoHS compliant)
– F4 = U-PDFN-8 4mm x 3mm (MLP8)
– F6 = V-PDFN-8 6mm x 5mm (MLP8)
– F8 = V-PDFN-8 8mm x 6mm (MLP8)
– 12 = T-PBGA-24b05 6mm x 8mm
– SC = SOP2-8 150 mils body width (SO8N)
– SF = SOP2-16 300 mils body width (SO16W)
– SE = SOP2-8 208 mils body width (SO8W)
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PDF: 09005aef84566622
n25q_32mb_3v_65nm.pdf - Rev. I 04/13 EN
1
Products and specifications discussed herein are subject to change by Micron without notice.
Micron Technology, Inc. reserves the right to change products or specifications without notice.
©
2011 Micron Technology, Inc. All rights reserved.
32Mb, 3V, Multiple I/O Serial Flash Memory
Features
Contents
Device Description ........................................................................................................................................... 6
Features ....................................................................................................................................................... 6
Operating Protocols ...................................................................................................................................... 6
XIP Mode ..................................................................................................................................................... 6
Device Configurability .................................................................................................................................. 7
Signal Assignments ........................................................................................................................................... 8
Signal Descriptions ......................................................................................................................................... 10
Memory Organization .................................................................................................................................... 12
Memory Configuration and Block Diagram .................................................................................................. 12
Memory Map – 32Mb Density ......................................................................................................................... 13
Device Protection ........................................................................................................................................... 14
Serial Peripheral Interface Modes .................................................................................................................... 16
SPI Protocols .................................................................................................................................................. 18
Nonvolatile and Volatile Registers ................................................................................................................... 19
Status Register ............................................................................................................................................ 20
Nonvolatile and Volatile Configuration Registers .......................................................................................... 21
Enhanced Volatile Configuration Register .................................................................................................... 23
Flag Status Register ..................................................................................................................................... 24
Command Definitions .................................................................................................................................... 26
READ REGISTER and WRITE REGISTER Operations ........................................................................................ 28
READ STATUS REGISTER or FLAG STATUS REGISTER Command ................................................................ 28
READ NONVOLATILE CONFIGURATION REGISTER Command ................................................................... 28
READ VOLATILE or ENHANCED VOLATILE CONFIGURATION REGISTER Command .................................. 29
WRITE STATUS REGISTER Command ......................................................................................................... 29
WRITE NONVOLATILE CONFIGURATION REGISTER Command ................................................................. 30
WRITE VOLATILE or ENHANCED VOLATILE CONFIGURATION REGISTER Command ................................. 30
READ LOCK REGISTER Command .............................................................................................................. 31
WRITE LOCK REGISTER Command ............................................................................................................ 32
CLEAR FLAG STATUS REGISTER Command ................................................................................................ 33
READ IDENTIFICATION Operations ............................................................................................................... 34
READ ID and MULTIPLE I/O READ ID Commands ...................................................................................... 34
READ SERIAL FLASH DISCOVERY PARAMETER Command ......................................................................... 35
READ MEMORY Operations ............................................................................................................................ 38
PROGRAM Operations .................................................................................................................................... 42
WRITE Operations .......................................................................................................................................... 47
WRITE ENABLE Command ......................................................................................................................... 47
WRITE DISABLE Command ........................................................................................................................ 47
ERASE Operations .......................................................................................................................................... 49
SUBSECTOR ERASE Command ................................................................................................................... 49
SECTOR ERASE Command ......................................................................................................................... 49
BULK ERASE Command ............................................................................................................................. 50
PROGRAM/ERASE SUSPEND Command ..................................................................................................... 51
PROGRAM/ERASE RESUME Command ...................................................................................................... 53
ONE TIME PROGRAMMABLE Operations ....................................................................................................... 54
READ OTP ARRAY Command ...................................................................................................................... 54
PROGRAM OTP ARRAY Command .............................................................................................................. 54
XIP Mode ....................................................................................................................................................... 57
Activate or Terminate XIP Using Volatile Configuration Register ................................................................... 57
Activate or Terminate XIP Using Nonvolatile Configuration Register ............................................................. 57
Confirmation Bit Settings Required to Activate or Terminate XIP .................................................................. 58
PDF: 09005aef84566622
n25q_32mb_3v_65nm.pdf - Rev. I 04/13 EN
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Micron Technology, Inc. reserves the right to change products or specifications without notice.
©
2011 Micron Technology, Inc. All rights reserved.
32Mb, 3V, Multiple I/O Serial Flash Memory
Features
Terminating XIP After a Controller and Memory Reset .................................................................................
Power-Up and Power-Down ............................................................................................................................
Power-Up and Power-Down Requirements ..................................................................................................
Power Loss Rescue Sequence ......................................................................................................................
AC Reset Specifications ...................................................................................................................................
Absolute Ratings and Operating Conditions .....................................................................................................
DC Characteristics and Operating Conditions ..................................................................................................
AC Characteristics and Operating Conditions ..................................................................................................
Package Dimensions .......................................................................................................................................
Part Number Ordering Information .................................................................................................................
Revision History .............................................................................................................................................
Rev. I – 04/2013 ..........................................................................................................................................
Rev. H – 01/2013 .........................................................................................................................................
Rev. G – 09/2012 .........................................................................................................................................
Rev. F – 07/2012 ..........................................................................................................................................
Rev. E – 06/2012 ..........................................................................................................................................
Rev. D – 01/2012 .........................................................................................................................................
Rev. C – 10/2011 .........................................................................................................................................
Rev. B – 01/2011 .........................................................................................................................................
Rev. A – 05/2010 ..........................................................................................................................................
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PDF: 09005aef84566622
n25q_32mb_3v_65nm.pdf - Rev. I 04/13 EN
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Micron Technology, Inc. reserves the right to change products or specifications without notice.
©
2011 Micron Technology, Inc. All rights reserved.
32Mb, 3V, Multiple I/O Serial Flash Memory
Features
List of Figures
Figure 1: Logic Diagram ................................................................................................................................... 7
Figure 2: 8-Pin, VDFPN8 – MLP8 and SOP2 – SO8W (Top View) ......................................................................... 8
Figure 3: 16-Pin, Plastic Small Outline – SO16 (Top View) .................................................................................. 8
Figure 4: 24-Ball TBGA (Balls Down) ................................................................................................................ 9
Figure 5: Block Diagram ................................................................................................................................ 12
Figure 6: Bus Master and Memory Devices on the SPI Bus ............................................................................... 17
Figure 7: SPI Modes ....................................................................................................................................... 17
Figure 8: Internal Configuration Register ........................................................................................................ 19
Figure 9: READ REGISTER Command ............................................................................................................ 28
Figure 10: WRITE REGISTER Command ......................................................................................................... 30
Figure 11: READ LOCK REGISTER Command ................................................................................................. 32
Figure 12: WRITE LOCK REGISTER Command ............................................................................................... 33
Figure 13: READ ID and MULTIPLE I/O Read ID Commands .......................................................................... 35
Figure 14: READ Command ........................................................................................................................... 39
Figure 15: FAST READ Command ................................................................................................................... 39
Figure 16: DUAL OUTPUT FAST READ ........................................................................................................... 40
Figure 17: DUAL INPUT/OUTPUT FAST READ Command .............................................................................. 40
Figure 18: QUAD OUTPUT FAST READ Command ......................................................................................... 41
Figure 19: QUAD INPUT/OUTPUT FAST READ Command ............................................................................. 41
Figure 20: PAGE PROGRAM Command .......................................................................................................... 43
Figure 21: DUAL INPUT FAST PROGRAM Command ...................................................................................... 44
Figure 22: EXTENDED DUAL INPUT FAST PROGRAM Command ................................................................... 44
Figure 23: QUAD INPUT FAST PROGRAM Command ..................................................................................... 45
Figure 24: EXTENDED QUAD INPUT FAST PROGRAM Command ................................................................... 46
Figure 25: WRITE ENABLE and WRITE DISABLE Command Sequence ............................................................ 48
Figure 26: SUBSECTOR and SECTOR ERASE Command .................................................................................. 50
Figure 27: BULK ERASE Command ................................................................................................................ 51
Figure 28: READ OTP Command .................................................................................................................... 54
Figure 29: PROGRAM OTP Command ............................................................................................................ 56
Figure 30: XIP Mode Directly After Power-On .................................................................................................. 58
Figure 31: Power-Up Timing .......................................................................................................................... 60
Figure 32: Reset AC Timing During PROGRAM or ERASE Cycle ........................................................................ 63
Figure 33: Reset Enable ................................................................................................................................. 63
Figure 34: Serial Input Timing ........................................................................................................................ 63
Figure 35: Write Protect Setup and Hold During WRITE STATUS REGISTER Operation (SRWD = 1) ................... 64
Figure 36: Hold Timing .................................................................................................................................. 65
Figure 37: Output Timing .............................................................................................................................. 66
Figure 38: V
PPH
Timing .................................................................................................................................. 66
Figure 39: AC Timing Input/Output Reference Levels ...................................................................................... 68
Figure 40: U-PDFN-8 4mm x 3mm (MLP8) – Package Code: F4 ........................................................................ 72
Figure 41: V-PDFN-8 6mm x 5mm (MLP8) – Package Code: F6 ........................................................................ 73
Figure 42: V-PDFN-8 8mm x 6mm (MLP8) – Package Code: F8 ........................................................................ 74
Figure 43: T-PBGA-24b05 6mm x 8mm – Package Code: 12 .............................................................................. 75
Figure 44: SOP2-8 (150 mils body width) – Package Code: SC ........................................................................... 76
Figure 45: SOP2-16 (300 mils body width) – Package Code: SF ......................................................................... 77
Figure 46: SOP2-8 (208 mils body width) – Package Code: SE ........................................................................... 78
PDF: 09005aef84566622
n25q_32mb_3v_65nm.pdf - Rev. I 04/13 EN
4
Micron Technology, Inc. reserves the right to change products or specifications without notice.
©
2011 Micron Technology, Inc. All rights reserved.
32Mb, 3V, Multiple I/O Serial Flash Memory
Features
List of Tables
Table 1: Signal Descriptions ...........................................................................................................................
Table 2: Sectors[63:0] .....................................................................................................................................
Table 3: Data Protection using Device Protocols .............................................................................................
Table 4: Memory Sector Protection Truth Table ..............................................................................................
Table 5: Protected Area Sizes – Upper Area .....................................................................................................
Table 6: Protected Area Sizes – Lower Area ......................................................................................................
Table 7: SPI Modes ........................................................................................................................................
Table 8: Extended, Dual, and Quad SPI Protocols ............................................................................................
Table 9: Status Register Bit Definitions ...........................................................................................................
Table 10: Nonvolatile Configuration Register Bit Definitions ...........................................................................
Table 11: Volatile Configuration Register Bit Definitions ..................................................................................
Table 12: Sequence of Bytes During Wrap .......................................................................................................
Table 13: Supported Clock Frequencies ..........................................................................................................
Table 14: Enhanced Volatile Configuration Register Bit Definitions ..................................................................
Table 15: Flag Status Register Bit Definitions ..................................................................................................
Table 16: Command Set .................................................................................................................................
Table 17: Lock Register ..................................................................................................................................
Table 18: Data/Address Lines for READ ID and MULTIPLE I/O READ ID Commands .......................................
Table 19: Read ID Data Out ............................................................................................................................
Table 20: Extended Device ID, First Byte .........................................................................................................
Table 21: Serial Flash Discovery Parameter – Header Structure ........................................................................
Table 22: Parameter ID ..................................................................................................................................
Table 23: Command/Address/Data Lines for READ MEMORY Commands .......................................................
Table 24: Data/Address Lines for PROGRAM Commands ................................................................................
Table 25: Suspend Parameters .......................................................................................................................
Table 26: Operations Allowed/Disallowed During Device States ......................................................................
Table 27: OTP Control Byte (Byte 64) ..............................................................................................................
Table 28: XIP Confirmation Bit .......................................................................................................................
Table 29: Effects of Running XIP in Different Protocols ....................................................................................
Table 30: Power-Up Timing and V
WI
Threshold ...............................................................................................
Table 31: AC RESET Conditions ......................................................................................................................
Table 32: Absolute Ratings .............................................................................................................................
Table 33: Operating Conditions ......................................................................................................................
Table 34: Input/Output Capacitance ..............................................................................................................
Table 35: AC Timing Input/Output Conditions ...............................................................................................
Table 36: DC Current Characteristics and Operating Conditions ......................................................................
Table 37: DC Voltage Characteristics and Operating Conditions ......................................................................
Table 38: AC Characteristics and Operating Conditions ...................................................................................
Table 39: Part Number Information ................................................................................................................
Table 40: Package Details ...............................................................................................................................
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PDF: 09005aef84566622
n25q_32mb_3v_65nm.pdf - Rev. I 04/13 EN
5
Micron Technology, Inc. reserves the right to change products or specifications without notice.
©
2011 Micron Technology, Inc. All rights reserved.
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