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27C256 - 256K (32K x 8) CMOS EPROM

General Description

The Microchip Technology Inc.

27C256 is a CMOS 256K bit electrically Programmable Read Only Memory (EPROM).

The device is organized as 32K words by 8 bits (32K bytes).

Key Features

  • High speed performance - 90 ns access time available.
  • CMOS Technology for low power consumption - 20 mA Active current - 100 µA Standby current.
  • Factory programming available.
  • Auto-insertion-compatible plastic packages.
  • Auto ID aids automated programming.
  • Separate chip enable and output enable controls.
  • High speed “express” programming algorithm.
  • Organized 32K x 8: JEDEC standard pinouts - 28-pin Dual-in-line pa.

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Other Datasheets by Microchip Technology

Part Number Description
27C04A 4K (512 x 8) CMOS EEPROM
27C16A 16K (2K x 8) CMOS EEPROM
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27C512A 512K (64K x 8) CMOS EPROM
27C64 64K (8K x 8) CMOS EPROM

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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Obsolete Device 27C256 256K (32K x 8) CMOS EPROM FEATURES • High speed performance - 90 ns access time available • CMOS Technology for low power consumption - 20 mA Active current - 100 µA Standby current • Factory programming available • Auto-insertion-compatible plastic packages • Auto ID aids automated programming • Separate chip enable and output enable controls • High speed “express” programming algorithm • Organized 32K x 8: JEDEC standard pinouts - 28-pin Dual-in-line package - 32-pin PLCC Package - 28-pin SOIC package - Tape and reel • Data Retention > 200 years • Available for the following temperature ranges: - Commercial: 0°C to +70°C - Industrial: -40°C to +85°C - Automotive: -40°C to +125°C DESCRIPTION The Microchip Technology Inc.