Specification	25LC640/WF

Clock Frequency	2 MHz
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)	70 °C
Operating Temperature (Min)	0 °C
Package / Case	Die
Package Name	Die
Technology	EEPROM
Voltage - Supply (Maximum)	5.5 V
Voltage - Supply (Minimum)	2.5 V
Write Cycle Time - Page	5 ms
Write Cycle Time - Word	5 ms

25LC640 Series

64Kb 2.5V SPI Serial EEPROM

Part	Mounting Type	Package Width	Package Name	Package Length	Write Cycle Time - Word	Write Cycle Time - Page	Memory Type	Technology	Voltage - Supply (Minimum)	Voltage - Supply (Maximum)	Memory Format	Package / Case	Operating Temperature (Max)	Operating Temperature (Min)	Memory Depth	Memory Width	Memory Size	Memory Interface (Type)	Clock Frequency
Microchip Technology 25LC640AT-I/MNY	Surface Mount	3 mm	8-TDFN	2 mm	5 ms	5 ms	Non-Volatile	EEPROM	2.5 V	5.5 V	EEPROM	8-WFDFN Exposed Pad	85 °C	-40 °C	8 K	8 bit	8 KB	SPI	10 MHz
Microchip Technology 25LC640A-M/SN	Surface Mount	3.9 mm	8-SOIC	0.154 in	5 ms	5 ms	Non-Volatile	EEPROM	2.5 V	5.5 V	EEPROM		125 °C	-55 °C	8 K	8 bit	8 KB	SPI	10 MHz
Microchip Technology 25LC640A-E/ST	Surface Mount	4.4 mm	8-TSSOP	0.173 in	5 ms	5 ms	Non-Volatile	EEPROM	2.5 V	5.5 V	EEPROM		125 °C	-40 °C	8 K	8 bit	8 KB	SPI	10 MHz
Microchip Technology 25LC640AT-E/SN	Surface Mount	3.9 mm	8-SOIC	0.154 in	5 ms	5 ms	Non-Volatile	EEPROM	2.5 V	5.5 V	EEPROM		125 °C	-40 °C	8 K	8 bit	8 KB	SPI	10 MHz
Microchip Technology 25LC640A-I/SN	Surface Mount	3.9 mm	8-SOIC	0.154 in	5 ms	5 ms	Non-Volatile	EEPROM	2.5 V	5.5 V	EEPROM		85 °C	-40 °C	8 K	8 bit	8 KB	SPI	10 MHz
Microchip Technology 25LC640-I/P	Through Hole	7.62 mm	8-DIP 8-PDIP	0.3 in	5 ms	5 ms	Non-Volatile	EEPROM	2.5 V	5.5 V	EEPROM		85 °C	-40 °C	8 K	8 bit	8 KB	SPI	2 MHz
Microchip Technology 25LC640AXT-I/ST	Surface Mount	4.4 mm	8-TSSOP	0.173 in	5 ms	5 ms	Non-Volatile	EEPROM	2.5 V	5.5 V	EEPROM		85 °C	-40 °C	8 K	8 bit	8 KB	SPI	10 MHz
Microchip Technology 25LC640/WF	Surface Mount		Die		5 ms	5 ms	Non-Volatile	EEPROM	2.5 V	5.5 V	EEPROM	Die	70 °C	0 °C	8 K	8 bit	8 KB	SPI	2 MHz
Microchip Technology 25LC640AT-H/SN	Surface Mount	3.9 mm	8-SOIC	0.154 in	6 ms	6 ms	Non-Volatile	EEPROM	2.5 V	5.5 V	EEPROM		150 °C	-40 °C	8 K	8 bit	8 KB	SPI	5 MHz
Microchip Technology 25LC640/W	Surface Mount		Die		5 ms	5 ms	Non-Volatile	EEPROM	2.5 V	5.5 V	EEPROM	Die	70 °C	0 °C	8 K	8 bit	8 KB	SPI	2 MHz

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25LC640/WF | Datasheet