M95128-WMW3TP datasheet, PDF - EEWORLD Datasheet

Datasheet> All Categories > storage> storage> M95128-WMW3TP

M95128-WMW3TP: Description16K X 8 SPI BUS SERIAL EEPROM, PDSO8; Categorystorage storage; File Size751KB，57 Pages; ManufacturerSTMicroelectronics; Websitehttp://www.st.com/; Environmental Compliance

Download Datasheet Parametric View All

M95128-WMW3TP Overview

16K X 8 SPI BUS SERIAL EEPROM, PDSO8

M95128-WMW3TP Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Maker	STMicroelectronics
Parts packaging code	SOIC
package instruction	SOP, SOP8,.3
Contacts	8
Reach Compliance Code	compli
ECCN code	EAR99
Maximum clock frequency (fCLK)	5 MHz
Data retention time - minimum	40
Durability	100000 Write/Erase Cycles
JESD-30 code	R-PDSO-G8
JESD-609 code	e3
length	5.3 mm
memory density	131072 bi
Memory IC Type	EEPROM
memory width	8
Humidity sensitivity level	1
Number of functions	1
Number of terminals	8
word count	16384 words
character code	16000
Operating mode	SYNCHRONOUS
Maximum operating temperature	125 °C
Minimum operating temperature	-40 °C
organize	16KX8
Package body material	PLASTIC/EPOXY
encapsulated code	SOP
Encapsulate equivalent code	SOP8,.3
Package shape	RECTANGULAR
Package form	SMALL OUTLINE
Parallel/Serial	SERIAL
Peak Reflow Temperature (Celsius)	260
power supply	3/5 V
Certification status	Not Qualified
Maximum seat height	2.03 mm
Serial bus type	SPI
Maximum standby current	0.000005 A
Maximum slew rate	0.003 mA
Maximum supply voltage (Vsup)	5.5 V
Minimum supply voltage (Vsup)	2.5 V
Nominal supply voltage (Vsup)	3.3 V
surface mount	YES
technology	CMOS
Temperature level	AUTOMOTIVE
Terminal surface	Matte Tin (Sn)
Terminal form	GULL WING
Terminal pitch	1.27 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	40
width	5.25 mm
Maximum write cycle time (tWC)	5 ms
write protect	HARDWARE/SOFTWARE

Preview

Download Datasheet

View All

M95256-W M95256-R

M95256-DF

256-Kbit serial SPI bus EEPROM with high-speed clock

Datasheet

production data

Features

•

Compatible with the Serial Peripheral Interface

(SPI) bus

SO8 (MN)

150 mil width

•

Memory array

– 256 Kb (32 Kbytes) of EEPROM

– Page size: 64 bytes

•

Write

– Byte Write within 5 ms

– Page Write within 5 ms

•

Additional Write lockable page (Identification

page)

•

Write Protect: quarter, half or whole memory

array

•

High-speed clock: 20 MHz

•

Single supply voltage:

– 2.5 V to 5.5 V for M95256-W

– 1.8 V to 5.5 V for M95256-R

– 1.7 V to 5.5 V for M95256-DF

•

Operating temperature range: from -40 °C up

to +85 °C

•

Enhanced ESD protection

•

More than 4 million Write cycles

•

More than 200-year data retention

•

Packages:

– SO8 (ECOPACK2

)

– TSSOP8 (ECOPACK2

)

– UFDFPN8 (ECOPACK2

)

– WLCSP (ECOPACK2

)

TSSOP8 (DW)

169 mil width

UFDFPN8 (MC)

2 x 3 mm

WLCSP (CS)

March 2017

This is information on a product in full production.

DocID12276 Rev 21

1/57

www.st.com

Contents

M95256-W M95256-R M95256-DF

Contents

Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Memory organization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Signal description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

3.1

3.2

3.3

3.4

3.5

3.6

3.7

3.8

Serial Data Output (Q) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Serial Data Input (D) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Serial Clock (C) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Chip Select (S) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Hold (HOLD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Write Protect (W) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

supply voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

ground . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Connecting to the SPI bus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

4.1

SPI modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Operating features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

5.1

Supply voltage (V

) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

5.1.1

5.1.2

5.1.3

5.1.4

Operating supply voltage (V

) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Device reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Power-up conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Power-down . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

5.2

5.3

5.4

5.5

Active Power and Standby Power modes . . . . . . . . . . . . . . . . . . . . . . . . 14

Hold condition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Status Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Data protection and protocol control . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

6.1

6.2

6.3

Write Enable (WREN) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Write Disable (WRDI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Read Status Register (RDSR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

6.3.1

WIP bit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

2/57

DocID12276 Rev 21

M95256-W M95256-R M95256-DF

6.3.2

6.3.3

6.3.4

Contents

WEL bit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

BP1, BP0 bits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

SRWD bit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

6.4

6.5

6.6

6.7

6.8

6.9

6.10

Write Status Register (WRSR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Read from Memory Array (READ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Write to Memory Array (WRITE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

6.6.1

Cycling with Error Correction Code (ECC) . . . . . . . . . . . . . . . . . . . . . . 26

Read Identification Page (available only in M95256-D devices) . . . . . . . 27

Write Identification Page (available only in M95256-D devices) . . . . . . . 28

Read Lock Status (available only in M95256-D devices) . . . . . . . . . . . . . 29

Lock ID (available only in M95256-D devices) . . . . . . . . . . . . . . . . . . . . . 30

Power-up and delivery state . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

7.1

7.2

Power-up state . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Initial delivery state . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

DC and AC parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

10.1

10.2

10.3

10.4

SO8N package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

TSSOP8 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

UFDFN8 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

WLCSP package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

Part numbering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

DocID12276 Rev 21

3/57

List of tables

M95256-W M95256-R M95256-DF

List of tables

Table 1.

Table 2.

Table 3.

Table 4.

Table 5.

Table 6.

Table 7.

Table 8.

Table 9.

Table 10.

Table 11.

Table 12.

Table 13.

Table 14.

Table 15.

Table 16.

Table 17.

Table 18.

Table 19.

Table 20.

Table 21.

Table 22.

Table 23.

Table 24.

Table 25.

Table 26.

Signal names . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Write-protected block size . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Instruction set . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Significant bits within the two address bytes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Status Register format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Protection modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

Operating conditions (M95256-W, device grade 6) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Operating conditions (M95256-R, device grade 6) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Operating conditions (M95256-DF, device grade 6) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

AC measurement conditions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Cycling performance by groups of four bytes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Memory cell data retention . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Capacitance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

DC characteristics (M95256-W, device grade 6) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

DC characteristics (M95256-R, device grade 6) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

DC characteristics (M95256-DF, device grade 6). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

AC characteristics (M95256-W, device grade 6) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

AC characteristics (M95256-R, device grade 6) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

AC characteristics (M95256-DF, device grade 6) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

SO8N – 8-lead plastic small outline, 150 mils body width,

package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

TSSOP8 – 8-lead thin shrink small outline, 3 x 4.4 mm, 0.65 mm pitch,

package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

UFDFN8 - 8-lead, 2 × 3 mm, 0.5 mm pitch ultra thin profile fine pitch

dual flat package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

WLCSP - 8-bump, 1.289 x 1.376 mm, 0.4 mm pitch wafer level chip scale

package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

Ordering information scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

Document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

4/57

DocID12276 Rev 21

M95256-W M95256-R M95256-DF

List of figures

Figure 1.

Figure 2.

Figure 3.

Figure 4.

Figure 5.

Figure 6.

Figure 7.

Figure 8.

Figure 9.

Figure 10.

Figure 11.

Figure 12.

Figure 13.

Figure 14.

Figure 15.

Figure 16.

Figure 17.

Figure 18.

Figure 19.

Figure 20.

Figure 21.

Figure 22.

Figure 23.

Figure 24.

Figure 25.

Figure 26.

Figure 27.

Figure 28.

Logic diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

8-pin package connections (top view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

WLCSP connections (top view, marking side, with bumps on the underside) . . . . . . . . . . . 7

Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Bus master and memory devices on the SPI bus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

SPI modes supported . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Hold condition activation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Write Enable (WREN) sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Write Disable (WRDI) sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Read Status Register (RDSR) sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Write Status Register (WRSR) sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Read from Memory Array (READ) sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Byte Write (WRITE) sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Page Write (WRITE) sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Read Identification Page sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Write identification page sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Read Lock Status sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Lock ID sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

AC measurement I/O waveform . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Serial input timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

Hold timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

Serial output timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

SO8N – 8-lead plastic small outline, 150 mils body width, package outline . . . . . . . . . . . . 42

SO8N – 8-lead plastic small outline, 150 mils body width,

package recommended footprint . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

TSSOP8 – 8-lead thin shrink small outline, 3 x 4.4 mm, 0.65 mm pitch,

package outline. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

UFDFN8 - 8-lead, 2 × 3 mm, 0.5 mm pitch ultra thin profile fine pitch

dual flat package outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

WLCSP - 8-bump, 1.289 x 1.376 mm, 0.4 mm pitch wafer level chip scale

package outline. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

WLCSP - 8-bump, 1.289 x 1.376 mm, 0.4 mm pitch wafer level chip scale

package recommended footprint . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

DocID12276 Rev 21

5/57

Recommended Resources

Wireless microphone circuit

PLC chain alarm control circuit used in production process

Circuit diagram of timed power supply and voltage stabilization power supply composed of 7806 and other components

home phone ring

Three-phase power supply phase sequence indicator circuit

6OXT(1.0) computer motherboard circuit diagram_19

2021 ON Semiconductor Avnet RSL10 Bluetooth SoC Development and Design Competition First Post: After receiving all the development boards, I will start recording this DIY routine from the RSL10-002GEVB board today.Outer box:Unpacking:The front photo of the board:The back of the board:Keep all t...; 7905 onsemi and Avnet IoT Innovation Design Competition

Are Decoupling Capacitors Really What You Need?: [align=left][font=微软雅黑][size=4]Before I started working as an applications engineer, I was an IC test development engineer. One of my projects was to characterize an I2C temperature sensor. After writ...; okhxyyo Power technology

【i.MX6ULL】Driver Development 3——GPIO Register Configuration Principle: [i=s]This post was last edited by DDZZ669 on 2021-9-23 23:09[/i]The previous two Linux driver articles introduced two new and old development methods of character device drivers, and used a virtual ch...; DDZZ669 ARM Technology

【Renovation of old things】 Finished product of graffiti desk lamp: Connect the LED light. Because the power supply can only provide 5V, the three LEDs need 12V to light up. I removed one LED so that 5V can also light up. After connecting, fix it with insulating glue ...; lugl4313820 DIY/Open Source Hardware

MSP432 MCU realizes speech recognition technology: In a world where everything is connected, more and more electronic devices that can understand speech are coming into our sight. In devices such as smartphones, tablets and laptops with Siri or Cortan...; Jacktang Microcontroller MCU

Mobile Phone RF Design Skills (Part 2): 29. What is the requirement for phase noise at 1k offset , 10kHz offset, and 100kHzoffset for GSM handset?Answer: For GSM handset RX it has several architectures to implement:Superheterodyne,near zero...; JasonYoo RF/Wirelessly

Shortcut: S0 S1 S2 S3 S4 S5 S6 S7 S8 S9 SA SB SC SD SE SF SG SH SI SJ SK SL SM SN SO SP SQ SR SS ST SU SV SW SX SY SZ T0 T1 T2 T3 T4 T5 T6 T7 T8 T9 TA TB TC TD TE TF TG TH TI TJ TK TL TM TN TO TP TQ TR TS TT TU TV TW TX TY TZ U0 U1 U2 U3 U4 U6 U7 U8 UA UB UC UD UE UF UG UH UI UJ UK UL UM UN UP UQ UR US UT UU UV UW UX UZ V0 V1 V2 V3 V4 V5 V6 V7 V8 V9 VA VB VC VD VE VF VG VH VI VJ VK VL VM VN VO VP VQ VR VS VT VU VV VW VX VY VZ W0 W1 W2 W3 W4 W5 W6 W7 W8 W9 WA WB WC WD WE WF WG WH WI WJ WK WL WM WN WO WP WR WS WT WU WV WW WY X0 X1 X2 X3 X4 X5 X7 X8 X9 XA XB XC XD XE XF XG XH XK XL XM XN XO XP XQ XR XS XT XU XV XW XX XY XZ Y0 Y1 Y2 Y4 Y5 Y6 Y9 YA YB YC YD YE YF YG YH YK YL YM YN YP YQ YR YS YT YX Z0 Z1 Z2 Z3 Z4 Z5 Z6 Z8 ZA ZB ZC ZD ZE ZF ZG ZH ZJ ZL ZM ZN ZP ZR ZS ZT ZU ZV ZW ZX ZY

Popular Components