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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

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PACKAGE / PIN CONFIGURATION

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24cxx EEPROM replaceable part number list

Part NumberWide Voltage Operation (V)Interface ModeData RetentionTotal BitsOrganizationSelf-timed Write Cycle (ms)Clock Frequency (MHz)Package / Temperature (℃)DescriptionST Part NumberON Part Number
CW24C02AD1.7~5.5I²C1M2KX851SOP8/-40~85Serial I²C interface EEPROMM24C02-FMN6PCAT24C02WI-G/GA
CW24C02ADR1.7~5.5I²C1M2KX851SOP8/-40~85Serial I²C interface EEPROMM24C02-FMN6TPCAT24C02WI-GT3/GT3A
CW24C02AT1.7~5.5I²C1M2KX851TSSOP8/-40~85Serial I²C interface EEPROMM24C02-FDW6PCAT24C02YI-G/GA
CW24C02ATR1.7~5.5I²C1M2KX851TSSOP8/-40~85Serial I²C interface EEPROMM24C02-FDW6TPCAT24C02YI-GT3/GT3A
CW24C02AS51.7~5.5I²C1M2KX851SOT23-5/-40~85Serial I²C interface EEPROM/CAT24C02TDI−GT3/GT3A
CW24C02AUR1.7~5.5I²C1M2KX851UDFN8/-40~85Serial I²C interface EEPROMM24C02-FMC6TPCAT24C02HU4IGT3A
CW24C02AP1.7~5.5I²C1M2KX851DIP8/-40~85Serial I²C interface EEPROMM24C02-WBN6PCAT24C02LI−GA
CW24C04AD1.7~5.5I²C1M4KX851SOP8/-40~85Serial I²C interface EEPROMM24C04-FMN6PCAT24C04WI−G
CW24C04ADR1.7~5.5I²C1M4KX851SOP8/-40~85Serial I²C interface EEPROMM24C04-FMN6TPCAT24C04WI−GT3
CW24C04AT1.7~5.5I²C1M4KX851TSSOP8/-40~85Serial I²C interface EEPROMM24C04-FDW6PCAT24C04YI−G
CW24C04ATR1.7~5.5I²C1M4KX851TSSOP8/-40~85Serial I²C interface EEPROMM24C04-FDW6TPCAT24C04YI−GT3
CW24C04AUR1.7~5.5I²C1M4KX851UDFN8/-40~85Serial I²C interface EEPROMM24C04-FMC6TPCAT24C04HU4I−GT3
CW24C08AD1.7~5.5I²C1M8KX851SOP8/-40~85Serial I²C interface EEPROMM24C08-FMN6PCAT24C08WI−G
CW24C08ADR1.7~5.5I²C1M8KX851SOP8/-40~85Serial I²C interface EEPROMM24C08-FMN6TPCAT24C08WI−GT3
CW24C08AT1.7~5.5I²C1M8KX851TSSOP8/-40~85Serial I²C interface EEPROMM24C08-FDW6PCAT24C08YI−G
CW24C08ATR1.7~5.5I²C1M8KX851TSSOP8/-40~85Serial I²C interface EEPROMM24C08-FDW6TPCAT24C08YI−GT3
CW24C08AUR1.7~5.5I²C1M8KX851UDFN8/-40~85Serial I²C interface EEPROMM24C08-FMC6TPCAT24C08HU4I−GT3
CW24C08AP1.7~5.5I²C1M8KX851DIP8/-40~85Serial I²C interface EEPROM/CAT24C08LI−G
CW24C16AD1.7~5.5I²C1M16KX851SOP8/-40~85Serial I²C interface EEPROMM24C16-FMN6PCAT24C16WI−G
CW24C16ADR1.7~5.5I²C1M16KX851SOP8/-40~85Serial I²C interface EEPROMM24C16-FMN6TPCAT24C16WI−GT3
CW24C16AT1.7~5.5I²C1M16KX851TSSOP8/-40~85Serial I²C interface EEPROMM24C16-FDW6PCAT24C16YI−G
CW24C16ATR1.7~5.5I²C1M16KX851TSSOP8/-40~85Serial I²C interface EEPROMM24C16-FDW6TPCAT24C16YI−GT3
CW24C16AUR1.7~5.5I²C1M16KX851UDFN8/-40~85Serial I²C interface EEPROMM24C16-FMC6TPCAT24C16HU4I−GT3
CW24C32AD1.7~5.5I²C1M32KX851SOP8/-40~85Serial I²C interface EEPROMM24C32-FMN6PCAT24C32WI−G
CW24C32ADR1.7~5.5I²C1M32KX851SOP8/-40~85Serial I²C interface EEPROMM24C32-FMN6TPCAT24C32WI−GT3
CW24C32AT1.7~5.5I²C1M32KX851TSSOP8/-40~85Serial I²C interface EEPROMM24C32-FDW6PCAT24C32YI−G
CW24C32ATR1.7~5.5I²C1M32KX851TSSOP8/-40~85Serial I²C interface EEPROMM24C32-FDW6TPCAT24C32YI−GT3
CW24C32AUR1.7~5.5I²C1M32KX851UDFN8/-40~85Serial I²C interface EEPROMM24C32-FMC6TPCAT24C32HU4I−GT3
CW24C64AD1.7~5.5I²C1M64KX851SOP8/-40~85Serial I²C interface EEPROMM24C64-FMN6PCAT24C64WI−G
CW24C64ADR1.7~5.5I²C1M64KX851SOP8/-40~85Serial I²C interface EEPROMM24C64-FMN6TPCAT24C64WI−GT3
CW24C64AT1.7~5.5I²C1M64KX851TSSOP8/-40~85Serial I²C interface EEPROMM24C64-FDW6PCAT24C64YI−G
CW24C64ATR1.7~5.5I²C1M64KX851TSSOP8/-40~85Serial I²C interface EEPROMM24C64-FDW6TPCAT24C64YI−GT3
CW24C64AUR1.7~5.5I²C1M64KX851UDFN8/-40~85Serial I²C interface EEPROMM24C64-FMC6TPCAT24C64HU4I−GT3
CW24C128AD1.7~5.5I²C1M128KX851SOP8/-40~85Serial I²C interface EEPROMM24128-BRMN6P/
CW24C128ADR1.7~5.5I²C1M128KX851SOP8/-40~85Serial I²C interface EEPROMM24128-BRMN6TPCAT24C128WI−GT3
CW24C128AT1.7~5.5I²C1M128KX851TSSOP8/-40~85Serial I²C interface EEPROMM24128-BRDW6P/
CW24C128ATR1.7~5.5I²C1M128KX851TSSOP8/-40~85Serial I²C interface EEPROMM24128-BRDW6TPCAT24C128YI−GT3
CW24C128AUR1.7~5.5I²C1M128KX851UDFN8/-40~85Serial I²C interface EEPROMM24128-BFMC6TPCAT24C128HU4IGT3
CW24C256AD1.7~5.5I²C1M256KX851SOP8/-40~85Serial I²C interface EEPROMM24256-BRMN6PCAT24C256WI−G
CW24C256ADR1.7~5.5I²C1M256KX851SOP8/-40~85Serial I²C interface EEPROMM24256-BRMN6TPCAT24C256WI−GT3
CW24C256AT1.7~5.5I²C1M256KX851TSSOP8/-40~85Serial I²C interface EEPROMM24256-BRDW6PCAT24C256YI−G
CW24C256ATR1.7~5.5I²C1M256KX851TSSOP8/-40~85Serial I²C interface EEPROMM24256-BRDW6TPCAT24C256YI−GT3
CW24C256AUR1.7~5.5I²C1M256KX851UDFN8/-40~85Serial I²C interface EEPROMM24256-BFMC6TPCAT24C256HU4IGT3
CW24C512AD1.7~5.5I²C1M512KX851SOP8/-40~85Serial I²C interface EEPROMM24512-BRMN6P/
CW24C512ADR1.7~5.5I²C1M512KX851SOP8/-40~85Serial I²C interface EEPROMM24512-BRMN6TPCAT24C512WI−GT3
CW24C512AT1.7~5.5I²C1M512KX851TSSOP8/-40~85Serial I²C interface EEPROMM24512-BRDW6P/
CW24C512ATR1.7~5.5I²C1M512KX851TSSOP8/-40~85Serial I²C interface EEPROMM24512-BRDW6TPCAT24C512YI−GT3
CW24C512AUR1.7~5.5I²C1M512KX851UDFN8/-40~85Serial I²C interface EEPROMM24512-BFMC6TPCAT24C512HU5IGT3

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