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The CW24Cxx series provide 2048/4096/8192/16384/32768/65536/131072/262144/524288 bits of serial electrically erasable and programmable read-only memory(EEPROM), organized as 256/512/1024/2048/4096/8192/1 6384/32768/65536 words of 8 bits each. The device is optimized for use in many industrial and commercial applications where low-power and low-voltage operation are essential. The CW24Cxx series are accessed via a two-wire serial interface and are available in 1.7V (1.7V to 5.5V) version, standby current are 1μA, and operating current are 1mA.

FEATURES

Wide Voltage Operation VCC = 1.7V to 5.5V
Operating Ambient Temperature: -40°C to +85°C
Internally Organized:

- CW24C32A, 4096 × 8 (32K bits)

- CW24C64A, 8192 × 8 (64K bits)

- CW24C128A, 16384 × 8 (128K bits)
Two-wire Serial Interface
Schmitt Trigger, Filtered Inputs for Noise Suppression
Bidirectional Data Transfer Protocol

Page Write, 32-byte Page (CW24C32A/64A/128A)
Partial Page Writes Allowed
Self-timed Write Cycle (4 ms max)
High-reliability

- Endurance: 1 Million Write Cycles

- Data Retention: 100 Years
PDIP8, SOP8, TSSOP8, UDFN8 Packages

BLOCK DIAGRAM

PACKAGE / PIN CONFIGURATION

24cxx EEPROM replaceable part number list

Part Number	Wide Voltage Operation (V)	Interface Mode	Data Retention	Total Bits	Organization	Self-timed Write Cycle (ms)	Clock Frequency (MHz)	Package / Temperature (℃)	Description	ST Part Number	ON Part Number
CW24C02AD	1.7~5.5	I²C	1M	2K	X8	5	1	SOP8/-40~85	Serial I²C interface EEPROM	M24C02-FMN6P	CAT24C02WI-G/GA
CW24C02ADR	1.7~5.5	I²C	1M	2K	X8	5	1	SOP8/-40~85	Serial I²C interface EEPROM	M24C02-FMN6TP	CAT24C02WI-GT3/GT3A
CW24C02AT	1.7~5.5	I²C	1M	2K	X8	5	1	TSSOP8/-40~85	Serial I²C interface EEPROM	M24C02-FDW6P	CAT24C02YI-G/GA
CW24C02ATR	1.7~5.5	I²C	1M	2K	X8	5	1	TSSOP8/-40~85	Serial I²C interface EEPROM	M24C02-FDW6TP	CAT24C02YI-GT3/GT3A
CW24C02AS5	1.7~5.5	I²C	1M	2K	X8	5	1	SOT23-5/-40~85	Serial I²C interface EEPROM	/	CAT24C02TDI−GT3/GT3A
CW24C02AUR	1.7~5.5	I²C	1M	2K	X8	5	1	UDFN8/-40~85	Serial I²C interface EEPROM	M24C02-FMC6TP	CAT24C02HU4IGT3A
CW24C02AP	1.7~5.5	I²C	1M	2K	X8	5	1	DIP8/-40~85	Serial I²C interface EEPROM	M24C02-WBN6P	CAT24C02LI−GA
CW24C04AD	1.7~5.5	I²C	1M	4K	X8	5	1	SOP8/-40~85	Serial I²C interface EEPROM	M24C04-FMN6P	CAT24C04WI−G
CW24C04ADR	1.7~5.5	I²C	1M	4K	X8	5	1	SOP8/-40~85	Serial I²C interface EEPROM	M24C04-FMN6TP	CAT24C04WI−GT3
CW24C04AT	1.7~5.5	I²C	1M	4K	X8	5	1	TSSOP8/-40~85	Serial I²C interface EEPROM	M24C04-FDW6P	CAT24C04YI−G
CW24C04ATR	1.7~5.5	I²C	1M	4K	X8	5	1	TSSOP8/-40~85	Serial I²C interface EEPROM	M24C04-FDW6TP	CAT24C04YI−GT3
CW24C04AUR	1.7~5.5	I²C	1M	4K	X8	5	1	UDFN8/-40~85	Serial I²C interface EEPROM	M24C04-FMC6TP	CAT24C04HU4I−GT3
CW24C08AD	1.7~5.5	I²C	1M	8K	X8	5	1	SOP8/-40~85	Serial I²C interface EEPROM	M24C08-FMN6P	CAT24C08WI−G
CW24C08ADR	1.7~5.5	I²C	1M	8K	X8	5	1	SOP8/-40~85	Serial I²C interface EEPROM	M24C08-FMN6TP	CAT24C08WI−GT3
CW24C08AT	1.7~5.5	I²C	1M	8K	X8	5	1	TSSOP8/-40~85	Serial I²C interface EEPROM	M24C08-FDW6P	CAT24C08YI−G
CW24C08ATR	1.7~5.5	I²C	1M	8K	X8	5	1	TSSOP8/-40~85	Serial I²C interface EEPROM	M24C08-FDW6TP	CAT24C08YI−GT3
CW24C08AUR	1.7~5.5	I²C	1M	8K	X8	5	1	UDFN8/-40~85	Serial I²C interface EEPROM	M24C08-FMC6TP	CAT24C08HU4I−GT3
CW24C08AP	1.7~5.5	I²C	1M	8K	X8	5	1	DIP8/-40~85	Serial I²C interface EEPROM	/	CAT24C08LI−G
CW24C16AD	1.7~5.5	I²C	1M	16K	X8	5	1	SOP8/-40~85	Serial I²C interface EEPROM	M24C16-FMN6P	CAT24C16WI−G
CW24C16ADR	1.7~5.5	I²C	1M	16K	X8	5	1	SOP8/-40~85	Serial I²C interface EEPROM	M24C16-FMN6TP	CAT24C16WI−GT3
CW24C16AT	1.7~5.5	I²C	1M	16K	X8	5	1	TSSOP8/-40~85	Serial I²C interface EEPROM	M24C16-FDW6P	CAT24C16YI−G
CW24C16ATR	1.7~5.5	I²C	1M	16K	X8	5	1	TSSOP8/-40~85	Serial I²C interface EEPROM	M24C16-FDW6TP	CAT24C16YI−GT3
CW24C16AUR	1.7~5.5	I²C	1M	16K	X8	5	1	UDFN8/-40~85	Serial I²C interface EEPROM	M24C16-FMC6TP	CAT24C16HU4I−GT3
CW24C32AD	1.7~5.5	I²C	1M	32K	X8	5	1	SOP8/-40~85	Serial I²C interface EEPROM	M24C32-FMN6P	CAT24C32WI−G
CW24C32ADR	1.7~5.5	I²C	1M	32K	X8	5	1	SOP8/-40~85	Serial I²C interface EEPROM	M24C32-FMN6TP	CAT24C32WI−GT3
CW24C32AT	1.7~5.5	I²C	1M	32K	X8	5	1	TSSOP8/-40~85	Serial I²C interface EEPROM	M24C32-FDW6P	CAT24C32YI−G
CW24C32ATR	1.7~5.5	I²C	1M	32K	X8	5	1	TSSOP8/-40~85	Serial I²C interface EEPROM	M24C32-FDW6TP	CAT24C32YI−GT3
CW24C32AUR	1.7~5.5	I²C	1M	32K	X8	5	1	UDFN8/-40~85	Serial I²C interface EEPROM	M24C32-FMC6TP	CAT24C32HU4I−GT3
CW24C64AD	1.7~5.5	I²C	1M	64K	X8	5	1	SOP8/-40~85	Serial I²C interface EEPROM	M24C64-FMN6P	CAT24C64WI−G
CW24C64ADR	1.7~5.5	I²C	1M	64K	X8	5	1	SOP8/-40~85	Serial I²C interface EEPROM	M24C64-FMN6TP	CAT24C64WI−GT3
CW24C64AT	1.7~5.5	I²C	1M	64K	X8	5	1	TSSOP8/-40~85	Serial I²C interface EEPROM	M24C64-FDW6P	CAT24C64YI−G
CW24C64ATR	1.7~5.5	I²C	1M	64K	X8	5	1	TSSOP8/-40~85	Serial I²C interface EEPROM	M24C64-FDW6TP	CAT24C64YI−GT3
CW24C64AUR	1.7~5.5	I²C	1M	64K	X8	5	1	UDFN8/-40~85	Serial I²C interface EEPROM	M24C64-FMC6TP	CAT24C64HU4I−GT3
CW24C128AD	1.7~5.5	I²C	1M	128K	X8	5	1	SOP8/-40~85	Serial I²C interface EEPROM	M24128-BRMN6P	/
CW24C128ADR	1.7~5.5	I²C	1M	128K	X8	5	1	SOP8/-40~85	Serial I²C interface EEPROM	M24128-BRMN6TP	CAT24C128WI−GT3
CW24C128AT	1.7~5.5	I²C	1M	128K	X8	5	1	TSSOP8/-40~85	Serial I²C interface EEPROM	M24128-BRDW6P	/
CW24C128ATR	1.7~5.5	I²C	1M	128K	X8	5	1	TSSOP8/-40~85	Serial I²C interface EEPROM	M24128-BRDW6TP	CAT24C128YI−GT3
CW24C128AUR	1.7~5.5	I²C	1M	128K	X8	5	1	UDFN8/-40~85	Serial I²C interface EEPROM	M24128-BFMC6TP	CAT24C128HU4IGT3
CW24C256AD	1.7~5.5	I²C	1M	256K	X8	5	1	SOP8/-40~85	Serial I²C interface EEPROM	M24256-BRMN6P	CAT24C256WI−G
CW24C256ADR	1.7~5.5	I²C	1M	256K	X8	5	1	SOP8/-40~85	Serial I²C interface EEPROM	M24256-BRMN6TP	CAT24C256WI−GT3
CW24C256AT	1.7~5.5	I²C	1M	256K	X8	5	1	TSSOP8/-40~85	Serial I²C interface EEPROM	M24256-BRDW6P	CAT24C256YI−G
CW24C256ATR	1.7~5.5	I²C	1M	256K	X8	5	1	TSSOP8/-40~85	Serial I²C interface EEPROM	M24256-BRDW6TP	CAT24C256YI−GT3
CW24C256AUR	1.7~5.5	I²C	1M	256K	X8	5	1	UDFN8/-40~85	Serial I²C interface EEPROM	M24256-BFMC6TP	CAT24C256HU4IGT3
CW24C512AD	1.7~5.5	I²C	1M	512K	X8	5	1	SOP8/-40~85	Serial I²C interface EEPROM	M24512-BRMN6P	/
CW24C512ADR	1.7~5.5	I²C	1M	512K	X8	5	1	SOP8/-40~85	Serial I²C interface EEPROM	M24512-BRMN6TP	CAT24C512WI−GT3
CW24C512AT	1.7~5.5	I²C	1M	512K	X8	5	1	TSSOP8/-40~85	Serial I²C interface EEPROM	M24512-BRDW6P	/
CW24C512ATR	1.7~5.5	I²C	1M	512K	X8	5	1	TSSOP8/-40~85	Serial I²C interface EEPROM	M24512-BRDW6TP	CAT24C512YI−GT3
CW24C512AUR	1.7~5.5	I²C	1M	512K	X8	5	1	UDFN8/-40~85	Serial I²C interface EEPROM	M24512-BFMC6TP	CAT24C512HU5IGT3