Specification	24CSM01T-E/Q4B

Access Time	70 ns
Memory Format	EEPROM
Memory Interface	I2C
Memory Organization	128K x 8
Memory Size	1 Mbit
Memory Type	Non-Volatile
Mounting Type	Surface Mount
Operating Temperature [Max]	125 °C
Operating Temperature [Min]	-40 °C
Package / Case	8-UFDFN Exposed Pad
Supplier Device Package	8-UDFN (2x3)
Technology	EEPROM
Voltage - Supply [Max]	5.5 V
Voltage - Supply [Min]	1.7 V
Write Cycle Time - Word, Page	5 ms

24CSM01 Series

1 Mbit 3.4MHz I2C Serial EEPROM with 128-Bit Serial Number and Enhanced Software Write Protection

Part	Technology	Access Time	Memory Size	Mounting Type	Memory Organization	Clock Frequency	Memory Type	Package / Case	Package / Case	Package / Case	Write Cycle Time - Word, Page	Memory Interface	Voltage - Supply [Max]	Voltage - Supply [Min]	Operating Temperature [Min]	Operating Temperature [Max]	Supplier Device Package	Memory Format	Package / Case [y]	Package / Case [x]	Package / Case [custom]	Package / Case [custom]
Microchip Technology 24CSM01-I/P	EEPROM	70 ns	1 Mbit	Through Hole	128K x 8	3.4 MHz	Non-Volatile	0.3 in	8-DIP	7.62 mm	5 ms	I2C	5.5 V	1.7 V	-40 °C	85 °C	8-PDIP	EEPROM
Microchip Technology 24CSM01T-E/Q4B	EEPROM	70 ns	1 Mbit	Surface Mount	128K x 8		Non-Volatile		8-UFDFN Exposed Pad		5 ms	I2C	5.5 V	1.7 V	-40 °C	125 °C	8-UDFN (2x3)	EEPROM
Microchip Technology 24CSM01-I/SN	EEPROM	70 ns	1 Mbit	Surface Mount	128K x 8	3.4 MHz	Non-Volatile		8-SOIC		5 ms	I2C	5.5 V	1.7 V	-40 °C	85 °C	8-SOIC	EEPROM	3.9 mm	0.154 in
Microchip Technology 24CSM01-I/MS	EEPROM	70 ns	1 Mbit	Surface Mount	128K x 8	3.4 MHz	Non-Volatile	3 mm	8-MSOP 8-TSSOP		5 ms	I2C	5.5 V	1.7 V	-40 °C	85 °C	8-MSOP	EEPROM			0.118 in
Microchip Technology 24CSM01T-E/MS	EEPROM	70 ns	1 Mbit	Surface Mount	128K x 8		Non-Volatile	3 mm	8-MSOP 8-TSSOP		5 ms	I2C	5.5 V	1.7 V	-40 °C	125 °C	8-MSOP	EEPROM			0.118 in
Microchip Technology 24CSM01-E/SM	EEPROM	400 ns	1 Mbit	Surface Mount	128K x 8		Non-Volatile		8-SOIC		5 ms	I2C	5.5 V	1.7 V	-40 °C	125 °C	8-SOIJ	EEPROM	5.3 mm	0.209 "
Microchip Technology 24CSM01-E/P	EEPROM	400 ns	1 Mbit	Through Hole	128K x 8		Non-Volatile	0.3 in	8-DIP	7.62 mm	5 ms	I2C	5.5 V	1.7 V	-40 °C	125 °C	8-PDIP	EEPROM
Microchip Technology 24CSM01T-I/ST	EEPROM	400 ns	1 Mbit	Surface Mount	128K x 8	3.4 MHz	Non-Volatile		8-TSSOP		5 ms	I2C	5.5 V	1.7 V	-40 °C	85 °C	8-TSSOP	EEPROM			0.173 "	4.4 mm
Microchip Technology 24CSM01T-E/SM	EEPROM	70 ns	1 Mbit	Surface Mount	128K x 8		Non-Volatile		8-SOIC		5 ms	I2C	5.5 V	1.7 V	-40 °C	125 °C	8-SOIJ	EEPROM	5.3 mm	0.209 "
Microchip Technology 24CSM01-E/SN	EEPROM	400 ns	1 Mbit	Surface Mount	128K x 8		Non-Volatile		8-SOIC		5 ms	I2C	5.5 V	1.7 V	-40 °C	125 °C	8-SOIC	EEPROM	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	$ 2.02
		25	$ 1.95
		100	$ 1.86
	Digi-Reel®	1	$ 2.02
		25	$ 1.95
		100	$ 1.86
	Tape & Reel (TR)	5000	$ 1.86
Microchip Direct	T/R	1	$ 1.96
		25	$ 1.89
		100	$ 1.81
		1000	$ 1.72
		5000	$ 1.62

Description

General part information

24CSM01 Series

The Microchip Technology Inc. 24CSM01 is a 1 Mb (128K x 8) I2C Serial Electrically Erasable PROM (EEPROM), capable of speeds up to 3.4Mhz and operation across a broad voltage range (1.7V to 5.5V). This device also has a page write capability of up to 256 bytes of data. This device is capable of both random and sequential reads up to the 1Mbit boundary. Functional address lines allow up to four devices on the same bus, for up to 4 Mbit address space. This device is available in PDIP-8, SOIC-8, SOIJ-8, UDFN-8, TSSOP-8, MSOP-8 and WLCSP-8 packages.

Documents

Technical documentation and resources

Datasheet

Using the C18 Compiler and the MSSP to Interface I2C? EEPROMs with PIC18 Devices

Application Notes

24CSM01T-E/Q4B

Deep-Dive with AI

24CSM01T-E/Q4B

Deep-Dive with AI

Technical Specifications

24CSM01 Series

Pricing

Description

24CSM01 Series

Documents

Datasheet

Using the C18 Compiler and the MSSP to Interface I2C? EEPROMs with PIC18 Devices

Using the MSSP Module to Interface I2C? Serial EEPROMs with PIC16 Devices

Interfacing I2C? Serial EEPROMs to PIC18 Devices

Utilizing Enhanced Software Write Protection in 24CS Series Serial EEPROMs

Using C and a Hardware Module to Interface 8051 MCUs with I2C Serial EEPROMs

24CSM01 Series