ST24LC21 eeprom equivalent, 1kb x8 dual mode serial eeprom.
±2 2 1 100.
The ST24LC21 is a 1K bit electrically erasable programmable memory (EEPROM), organized by 8 bits.This device can operate in two modes: Transmit Only mode and I2C bidirectional mode. When powered, the device is in Transmit Only mode with EEPROM data c.
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