Integrated Circuits (ICs)

25LC040T/SN

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Microchip Technology

512 X 8 SPI BUS SERIAL EEPROM, PDSO8, 0.150 INCH, PLASTIC, SOIC-8

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Integrated Circuits (ICs)

25LC040T/SN

Active

Microchip Technology

512 X 8 SPI BUS SERIAL EEPROM, PDSO8, 0.150 INCH, PLASTIC, SOIC-8

Deep-Dive with AI

DocumentsDatasheet

Specifications Series Pricing Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	25LC040T/SN

Clock Frequency	2 MHz
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-SOIC
Package / Case [x]	0.154 in
Package / Case [y]	3.9 mm
Supplier Device Package	8-SOIC
Technology	EEPROM
Voltage - Supply [Max]	5.5 V
Voltage - Supply [Min]	2.5 V
Write Cycle Time - Word, Page	5 ms

25LC040A Series

4Kb 2.5V SPI Serial EEPROM

Part	Write Cycle Time - Word, Page	Mounting Type	Package / Case	Package / Case	Package / Case	Technology	Memory Interface	Operating Temperature [Max]	Operating Temperature [Min]	Memory Format	Clock Frequency	Memory Type	Voltage - Supply [Min]	Voltage - Supply [Max]	Memory Size	Memory Organization [custom]	Memory Organization [custom]	Supplier Device Package	Qualification	Grade	Package / Case [custom]	Package / Case [custom]	Package / Case [y]	Package / Case [x]	Operating Temperature [Max]	Operating Temperature [Min]
Microchip Technology 25LC040/P	5 ms	Through Hole	0.3 in	8-DIP	7.62 mm	EEPROM	SPI	70 °C	0 °C	EEPROM	2 MHz	Non-Volatile	2.5 V	5.5 V	4 Kbit	512	8	8-PDIP
Microchip Technology 25LC040AT-E/OT16KVAO	5 ms	Surface Mount		SOT-23-6		EEPROM	SPI	125 °C	-40 °C	EEPROM	10 MHz	Non-Volatile	2.5 V	5.5 V	4 Kbit	512	8	SOT-23-6	AEC-Q100	Automotive
Microchip Technology 25LC040A-I/P	5 ms	Through Hole	0.3 in	8-DIP	7.62 mm	EEPROM	SPI	85 °C	-40 °C	EEPROM	10 MHz	Non-Volatile	2.5 V	5.5 V	4 Kbit	512	8	8-PDIP
Microchip Technology 25LC040AT-E/ST	5 ms	Surface Mount		8-TSSOP		EEPROM	SPI	125 °C	-40 °C	EEPROM	10 MHz	Non-Volatile	2.5 V	5.5 V	4 Kbit	512	8	8-TSSOP			0.173 "	4.4 mm
Microchip Technology 25LC040XT/ST	5 ms	Surface Mount		8-TSSOP		EEPROM	SPI	70 °C	0 °C	EEPROM	2 MHz	Non-Volatile	2.5 V	5.5 V	4 Kbit	512	8	8-TSSOP			0.173 "	4.4 mm
Microchip Technology 25LC040AT-I/ST	5 ms	Surface Mount		8-TSSOP		EEPROM	SPI	85 °C	-40 °C	EEPROM	10 MHz	Non-Volatile	2.5 V	5.5 V	4 Kbit	512	8	8-TSSOP			0.173 "	4.4 mm
Microchip Technology 25LC040A-M/SN	5 ms	Surface Mount		8-SOIC		EEPROM	SPI			EEPROM	10 MHz	Non-Volatile	2.5 V	5.5 V	4 Kbit	512	8	8-SOIC					3.9 mm	0.154 in	125 °C	-55 °C
Microchip Technology 25LC040A-I/ST	5 ms	Surface Mount		8-TSSOP		EEPROM	SPI	85 °C	-40 °C	EEPROM	10 MHz	Non-Volatile	2.5 V	5.5 V	4 Kbit	512	8	8-TSSOP			0.173 "	4.4 mm
Microchip Technology 25LC040AX-I/ST	5 ms	Surface Mount		8-TSSOP		EEPROM	SPI	85 °C	-40 °C	EEPROM	10 MHz	Non-Volatile	2.5 V	5.5 V	4 Kbit	512	8	8-TSSOP			0.173 "	4.4 mm
Microchip Technology 25LC040T/SN	5 ms	Surface Mount		8-SOIC		EEPROM	SPI	70 °C	0 °C	EEPROM	2 MHz	Non-Volatile	2.5 V	5.5 V	4 Kbit	512	8	8-SOIC					3.9 mm	0.154 in

Pricing

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

Distributor	Package	Quantity	$

Digikey	Cut Tape (CT)	1	$ 0.70
		25	$ 0.67
		100	$ 0.64
	Digi-Reel®	1	$ 0.70
		25	$ 0.67
		100	$ 0.64
	Tape & Reel (TR)	3300	$ 0.64
Newark	Each (Supplied on Full Reel)	100	$ 0.66

Description

General part information

25LC040A Series

The Microchip 25LC040A is a 4 Kb Serial EEPROM utilizing the

industry standard Serial Peripheral Interface (SPI) compatible serial bus. The

device is organized as one block of 512 x 8-bit and is optimized for use in consumer electronics, industrial, medical,

Documents

Technical documentation and resources