24C04 I2C (2-Wire) Serial EEPROM Features * Low Voltage and Standard Voltage Operation * Internally Organized 512 x 8 * 2-Wire Serial Interface * Bidirectional Data Transfer Protocol * 100 kHz (1.8V - 2.7V) and 400 kHz (5V) Compatibility * 4-Byte Page Write Mode * Self-Timed Write Cycle (10 ms max) * High Reliability * Endurance: 1 Million Write Cycles * 8-Pin PDIP, 8-Pin MSOP, 8-Pin TSSOP and 8-Pin JEDEC SOIC Packages Pin Description SERIAL CLOCK (SCL): The SCL input is used to positive edge clock data into each EEPROM device and negative edge clock data out of each device. SERIAL DATA (SDA): The SDA pin is bidirectional for serial data transfer. This pin is open-drain driven and may be wire-ORed with any number of other open-drain or open collector devices.