Not recommended for new designs – Please use 24LCS21A.
24LC21 1K 2.
5V Dual Mode I2C™ Serial EEPROM Features: • Single supply with operation down to 2.
5V • Completely implements DDC1™/DDC2™ interface for monitor identification • Low-power CMOS technology: - 1 mA active current typical - 10 A standby current typical at 5.
5V • 2-wire serial interface bus, I2C™ compatible • Self-timed write cycle (including auto-erase) • Page-write buffer for up to 8 bytes • 100 kHz (2.
5V) and 400 kHz (5V) compatibility • Factory programming (QTP) available • 1,000,000 erase/write cycles ensured • Data retention 200 years • 8-pin PDIP and SOIC package • Available for extended temperature ranges ...

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