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The Microchip Technology Inc. 24LC04B is a 4Kb I2C™ compatible Serial EEPROM. The device is organized as two blocks of 256 x 8-bit memory with a 2-wire serial interface. Low-voltage design permits operation down to 2.5V, with standby and active currents of only 1 µA and 1 mA, respectively. The 24LC04B also has a page write capability for up to 16 bytes of data. The 24LC04B is available in the standard 8-pin PDIP, surface mount SOIC, TSSOP, 2x3 DFN and MSOP packages and is also available in the 5-lead SOT-23 package.


Additional Features
    • Single supply with operation down to 2.5V
    • Low-power CMOS technology
    • 2-wire serial interface, I2C™ compatible
    • Schmitt Trigger inputs for noise suppression
    • Output slope control to eliminate ground bounce
    • 100 kHz and 400 kHz clock compatibility
    • Page write time 3 ms, typical
    • Self-timed erase/write cycle
    • 16-byte page write buffer
    • Hardware write-protect
    • ESD protection >4,000V
    • More than 1 million erase/write cycles
    • Data retention >200 years
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