Integrated Circuits (ICs)

25AA040XT/ST

Obsolete

Microchip Technology

IC EEPROM 4KBIT SPI 1MHZ 8TSSOP

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Integrated Circuits (ICs)

25AA040XT/ST

Obsolete

Microchip Technology

IC EEPROM 4KBIT SPI 1MHZ 8TSSOP

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Specifications Series Pricing Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	25AA040XT/ST

Memory Format	EEPROM
Memory Interface	SPI
Memory Organization [custom]	512
Memory Organization [custom]	8
Memory Size	4 Kbit
Memory Type	Non-Volatile
Mounting Type	Surface Mount
Operating Temperature [Max]	70 °C
Operating Temperature [Min]	0 °C
Package / Case	8-TSSOP
Package / Case [custom]	0.173 "
Package / Case [custom]	4.4 mm
Supplier Device Package	8-TSSOP
Technology	EEPROM
Voltage - Supply [Max]	5.5 V
Voltage - Supply [Min]	1.8 V
Write Cycle Time - Word, Page	5 ms

25AA040A Series

4Kb 1.8V SPI Serial EEPROM

Part	Memory Interface	Operating Temperature [Max]	Operating Temperature [Min]	Write Cycle Time - Word, Page	Memory Organization [custom]	Memory Organization [custom]	Voltage - Supply [Min]	Voltage - Supply [Max]	Clock Frequency	Technology	Mounting Type	Package / Case	Package / Case	Package / Case	Memory Format	Memory Type	Supplier Device Package	Memory Size	Package / Case [custom]	Package / Case [custom]	Package / Case [y]	Package / Case [x]
Microchip Technology 25AA040A-I/P	SPI	85 °C	-40 °C	5 ms	512	8	1.8 V	5.5 V	10 MHz	EEPROM	Through Hole	0.3 in	8-DIP	7.62 mm	EEPROM	Non-Volatile	8-PDIP	4 Kbit
Microchip Technology 25AA040A-I/MS	SPI	85 °C	-40 °C	5 ms	512	8	1.8 V	5.5 V	10 MHz	EEPROM	Surface Mount	3 mm	8-MSOP 8-TSSOP		EEPROM	Non-Volatile	8-MSOP	4 Kbit	0.118 in
Microchip Technology 25AA040XT/ST	SPI	70 °C	0 °C	5 ms	512	8	1.8 V	5.5 V		EEPROM	Surface Mount		8-TSSOP		EEPROM	Non-Volatile	8-TSSOP	4 Kbit	0.173 "	4.4 mm
Microchip Technology 25AA040T-I/SN	SPI	85 °C	-40 °C	5 ms	512	8	1.8 V	5.5 V		EEPROM	Surface Mount		8-SOIC		EEPROM	Non-Volatile	8-SOIC	4 Kbit			3.9 mm	0.154 in
Microchip Technology 25AA040AT-I/ST	SPI	85 °C	-40 °C	5 ms	512	8	1.8 V	5.5 V	10 MHz	EEPROM	Surface Mount		8-TSSOP		EEPROM	Non-Volatile	8-TSSOP	4 Kbit	0.173 "	4.4 mm
Microchip Technology 25AA040-I/P	SPI	85 °C	-40 °C	5 ms	512	8	1.8 V	5.5 V		EEPROM	Through Hole	0.3 in	8-DIP	7.62 mm	EEPROM	Non-Volatile	8-PDIP	4 Kbit
Microchip Technology 25AA040AT-I/MS	SPI	85 °C	-40 °C	5 ms	512	8	1.8 V	5.5 V	10 MHz	EEPROM	Surface Mount	3 mm	8-MSOP 8-TSSOP		EEPROM	Non-Volatile	8-MSOP	4 Kbit	0.118 in
Microchip Technology 25AA040AX-I/ST	SPI	85 °C	-40 °C	5 ms	512	8	1.8 V	5.5 V	10 MHz	EEPROM	Surface Mount		8-TSSOP		EEPROM	Non-Volatile	8-TSSOP	4 Kbit	0.173 "	4.4 mm
Microchip Technology 25AA040XT-I/ST	SPI	85 °C	-40 °C	5 ms	512	8	1.8 V	5.5 V		EEPROM	Surface Mount		8-TSSOP		EEPROM	Non-Volatile	8-TSSOP	4 Kbit	0.173 "	4.4 mm
Microchip Technology 25AA040A-I/SN	SPI	85 °C	-40 °C	5 ms	512	8	1.8 V	5.5 V	10 MHz	EEPROM	Surface Mount		8-SOIC		EEPROM	Non-Volatile	8-SOIC	4 Kbit			3.9 mm	0.154 in