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93LC46AT/SNRVA

Description
EEPROM, 128X8, Serial, CMOS, PDSO8
Categorystorage    storage   
File Size250KB,12 Pages
ManufacturerMicrochip
Websitehttps://www.microchip.com
Download Datasheet Download user manual Parametric View All

93LC46AT/SNRVA Overview

EEPROM, 128X8, Serial, CMOS, PDSO8

93LC46AT/SNRVA Parametric

Parameter NameAttribute value
MakerMicrochip
package instructionSOP,
Reach Compliance Codecompliant
Other features1000000 ERASE/WRITE CYCLES MIN; DATA RETENTION > 200 YEARS
Maximum clock frequency (fCLK)2 MHz
Data retention time - minimum200
JESD-30 codeR-PDSO-G8
memory density1024 bit
Memory IC TypeEEPROM
memory width8
Number of functions1
Number of terminals8
word count128 words
character code128
Operating modeSYNCHRONOUS
Maximum operating temperature70 °C
Minimum operating temperature
organize128X8
Package body materialPLASTIC/EPOXY
encapsulated codeSOP
Package shapeRECTANGULAR
Package formSMALL OUTLINE
Parallel/SerialSERIAL
Serial bus typeMICROWIRE
Maximum supply voltage (Vsup)6 V
Minimum supply voltage (Vsup)2.5 V
Nominal supply voltage (Vsup)2.7 V
surface mountYES
technologyCMOS
Temperature levelCOMMERCIAL
Terminal formGULL WING
Terminal locationDUAL
Maximum write cycle time (tWC)6 ms
Base Number Matches1
93LC46A/B
1K 2.5V Microwire
®
Serial EEPROM
FEATURES
• Single supply with operation down to 2.5V
• Low power CMOS technology
- 1 mA active current (typical)
- 1 µA standby current (maximum)
• 128 x 8 bit organization (93LC46A)
• 64 x 16 bit organization (93LC46B)
• Self-timed ERASE and WRITE cycles
(including auto-erase)
• Automatic ERAL before WRAL
• Power on/off data protection circuitry
• Industry standard 3-wire serial interface
• Device status signal during ERASE/WRITE
cycles
• Sequential READ function
• 1,000,000 E/W cycles guaranteed
• Data retention > 200 years
• 8-pin PDIP/SOIC and 8-pin TSSOP packages
• Available for the following temperature ranges:
- Commercial (C):
0°C to +70°C
- Industrial (I):
-40°C to +85°C
BLOCK DIAGRAM
MEMORY
ARRAY
ADDRESS
DECODER
ADDRESS
COUNTER
DATA
REGISTER
DI
MODE
DECODE
LOGIC
CLOCK
GENERATOR
Vcc
Vss
OUTPUT
BUFFER
DO
CS
CLK
DESCRIPTION
The Microchip Technology Inc. 93LC46AX/BX are 1K-
bit, low voltage serial Electrically Erasable PROMs.
The device memory is configured as x8 (93LC46A) or
x16 bits (93LC46B). Advanced CMOS technology
makes these devices ideal for low power nonvolatile
memory applications. The 93LC46AX/BX is available
in standard 8-pin DIP, 8-pin surface mount SOIC, and
TSSOP packages. The 93LC46AX/BX are offered only
in a 150-mil SOIC package.
PACKAGE TYPE
DIP
CS
CLK
DI
DO
1
8
Vcc
CS
7
6
5
NC
CLK
NC
Vss
DO
DI
SOIC
SOIC
CS
CLK
DI
DO
1
2
3
4
TSSOP
93LC46A/B
1
8
V
CC
NC
NC
Vss
NC
Vcc
CS
CLK
1
2
3
4
8
7
6
5
NC
Vss
DO
DI
2
3
4
2
3
4
7
6
5
8
7
6
5
Vcc
NC
NC
Vss
93LC46AX/BX
Microwire is a registered trademark of National Semiconductor Incorporated.
2000 Microchip Technology Inc.
93LC46A/B
93LC46A/B
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