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NM34W02 - 2K-Bit Standard 2-Wire Bus Interface Serial EEPROM with Full Array Write Protect

Description

The NM34W02 is 2048 bits of CMOS non-volatile electrically erasable memory.

This device is specifically designed to support Serial Presence Detect circuitry in memory modules.

Features

  • s PC100 Compliant s Extended Operating Voltage: 2.7V-5.5V s Software Write-Protection for first 128 bytes s Hardware Write-Protection for entire memory array s 200 µA active current typical.
  • 1.0 µA standby current typical (L).
  • 0.1 µA standby current typical (LZ) s IIC compatible interface.
  • Provides bidirectional data transfer protocol s Sixteen byte page write mode.
  • Minimizes total write time per byte s Self timed write cycle - Typical write cycle time of 6ms.

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Datasheet Details

Part number NM34W02
Manufacturer Fairchild (onsemi)
File Size 93.08 KB
Description 2K-Bit Standard 2-Wire Bus Interface Serial EEPROM with Full Array Write Protect
Datasheet download datasheet NM34W02 Datasheet

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Full PDF Text Transcription

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NM34W02 2K-Bit Standard 2-Wire Bus Interface Serial EEPROM with Full Array Write Protect March 1999 NM34W02 2K-Bit Standard 2-Wire Bus Interface Serial EEPROM with Full Array Write Protect Designed with Permanent Write-Protection for First 128 Bytes for Serial Presence Detect Application on Memory Modules (PC100 Compliant) General Description The NM34W02 is 2048 bits of CMOS non-volatile electrically erasable memory. This device is specifically designed to support Serial Presence Detect circuitry in memory modules. This communications protocol uses CLOCK (SCL) and DATA I/O (SDA) lines to synchronously clock data between the master (for example a microprocessor) and the slave EEPROM device(s).
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