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BU9877FV - Serial interface IC for DIMMs supporting plug & play

General Description

Pin No.

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.

Key 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 pin): 80 to FFh. 5) Compact SSOP-B 8-pin package.
  • Absolute maximum ratings (Ta = 25°C) Parameter Applied voltage Power dissipation Storage temperature Operating temperature Input voltage Symbo.

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Datasheet Details

Part number BU9877FV
Manufacturer ROHM
File Size 95.01 KB
Description Serial interface IC for DIMMs supporting plug & play
Datasheet download datasheet BU9877FV Datasheet

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Memory ICs Serial interface IC for DIMMs supporting plug & play BU9877FV The BU9877FV is a 2-k bit EEPROM with a write protect function, developed for DIMMs (Dual In-line Memory Modules) containing a synchronous DRAM. This IC stores IDs in memory in order to enable Plug & Play functions. Applications • 168-pin and 144-pin DRAM modules containing synchronous DRAM 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 pin): 80 to FFh. 5) Compact SSOP-B 8-pin package.