BU9877FV Datasheet (Rohm) - Serial interface IC for DIMMs supporting plug & play

BU9877FV, Serial interface IC for DIMMs supporting plug & play

Pin No.

1, 2, 3 4 5 6 7 8 Pin name A0, A1, A2 GND SDA SCL WP VCC I/O I * I/O I I * Slave address setting (pin) Input / output reference voltage of 0V Slave and word address, serial data input / output Serial clock input Write protect input Connect the power supply to this.

Function

BU9877FV Features

* 1) 2-k bit EEPROM with configuration of 256 words × 8 bits. 2) Compliance with SPD data format. 3) Dual-line serial (I2C bus) interface. 4) Protective functions enabled by a one-time ROM and write protect pin. Soft ware protection. as a one-time ROM: 00 to 7Fh. Hard ware protection (WP pi