25CS640T-E/MS36KVAO

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Microchip Technology

WITH ECC, 128-BIT SERIAL NUMBER AND ENHANCED WRITE PROTECTION

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25CS640T-E/MS36KVAO

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Microchip Technology

WITH ECC, 128-BIT SERIAL NUMBER AND ENHANCED WRITE PROTECTION

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Description Specifications Series Pricing CAD Documents

Description

General part information

25CS640 Series

The 25CS640 is a 64 Kbit (8 Kbytes) Serial EEPROM utilizing the industry standard Serial Peripheral Interface (SPI) compatible serial bus.

Microchip's 25CS SPI Serial EEPROM Family offers additional features such as Built-in Error Correction Code (ECC) logic, Undervoltage Lockout (UVLO) detection, 128-bit Serial Number and Enhanced Write Protection to optimized for use in consumer electronics, industrial, medical, and automotive applications where reliable and dependable nonvolatile memory storage is essential. The EEPROM is available in a variety of space-saving packaging options.

Technical Specifications

Parameters and characteristics for this part

Specification	25CS640T-E/MS36KVAO

Access Time	20 ns
Clock Frequency	20 MHz
Grade	Automotive
Memory Depth	8 K
Memory Format	EEPROM
Memory Interface (Type)	SPI
Memory Size	8 KB
Memory Type	Non-Volatile
Memory Width	8 bit
Mounting Type	Surface Mount
Operating Temperature (Max)	125 °C
Operating Temperature (Min)	-40 °C
Package Length	0.118 in
Package Name	8-MSOP, 8-TSSOP, 8-MSOP
Package Width	3 mm
Qualification	AEC-Q100
Technology	EEPROM
Voltage - Supply (Maximum)	5.5 V
Voltage - Supply (Minimum)	1.8 V
Write Cycle Time - Page	4 ms
Write Cycle Time - Word	4 ms

25CS640 Series

Part	Access Time	Clock Frequency	Memory Size	Technology	Write Cycle Time - Page	Write Cycle Time - Word	Memory Interface (Type)	Voltage - Supply (Maximum)	Voltage - Supply (Minimum)	Memory Format	Memory Type	Memory Depth	Memory Width	Operating Temperature (Max)	Operating Temperature (Min)	Package Length	Package Name	Package Width	Mounting Type	Qualification	Grade	Package / Case
Microchip Technology 25CS640T-E/MWF36KVAO	20 ns	20 MHz	8 KB	EEPROM	4 ms	4 ms	SPI	5.5 V	1.8 V	EEPROM	Non-Volatile	8 K	8 bit	125 °C	-40 °C
Microchip Technology 25CS640-I/ST		20 MHz	8 KB				SPI			EEPROM		8 K	8 bit
Microchip Technology 25CS640T-I/MS		20 MHz	8 KB				SPI			EEPROM		8 K	8 bit
Microchip Technology 25CS640T-H/SN	40 ns	10 MHz	8 KB	EEPROM	4 ms	4 ms	SPI	5.5 V	2.5 V	EEPROM	Non-Volatile	8 K	8 bit	150 °C	-40 °C	0.154 in	8-SOIC	3.9 mm	Surface Mount
Microchip Technology 25CS640T-E/MS36KVAO	20 ns	20 MHz	8 KB	EEPROM	4 ms	4 ms	SPI	5.5 V	1.8 V	EEPROM	Non-Volatile	8 K	8 bit	125 °C	-40 °C	0.118 in	8-MSOP 8-TSSOP 8-MSOP	3 mm	Surface Mount	AEC-Q100	Automotive
Microchip Technology 25CS640T-E/Q4B	20 ns	20 MHz	8 KB	EEPROM	4 ms	4 ms	SPI	5.5 V	1.8 V	EEPROM	Non-Volatile	8 K	8 bit	125 °C	-40 °C	2 mm	8-UDFN	3 mm	Surface Mount			8-UFDFN Exposed Pad
Microchip Technology 25CS640T-I/SN		20 MHz	8 KB				SPI			EEPROM		8 K	8 bit
Microchip Technology 25CS640T-E/SN36KVAO	20 ns	20 MHz	8 KB	EEPROM	4 ms	4 ms	SPI	5.5 V	1.8 V	EEPROM	Non-Volatile	8 K	8 bit	125 °C	-40 °C	0.154 in	8-SOIC	3.9 mm	Surface Mount	AEC-Q100	Automotive
Microchip Technology 25CS640-I/SN		20 MHz	8 KB				SPI			EEPROM		8 K	8 bit
Microchip Technology 25CS640T-E/ST36KVAO	20 ns	20 MHz	8 KB	EEPROM	4 ms	4 ms	SPI	5.5 V	1.8 V	EEPROM	Non-Volatile	8 K	8 bit	125 °C	-40 °C	0.173 in	8-TSSOP	4.4 mm	Surface Mount	AEC-Q100	Automotive

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

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CAD

3D models and CAD resources for this part

Documents

Technical documentation and resources

25CS640 - 64-Kbit SPI Serial EEPROM with 128-Bit Serial Number and Enhanced Write Protection

AN3377 - Using the Undervoltage Lockout Feature on SPI Serial EEPROMs

AN3451 - Enhanced Write Protection for SPI EEPROM Devices