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IDT71256S - CMOS Static RAM

General Description

The IDT 71256 is a 262,144-bit high-speed static RAM organized as 32K x 8.

It is fabricated using high-performance, high-reliability CMOS technology.

Address access times as fast as 20ns are available with power consumption of only 350mW (typ.).

Key Features

  • High-speed address/chip select time.
  • Commercial: 20/25/35ns (max. ).
  • Industrial: 20/25/35ns (max. ).
  • Military: 25/35/45/55/70/85/100ns (max. ).
  • Low-power operation.
  • Battery Backup operation.
  • 2V data retention.
  • Produced with advanced high-performance CMOS technology.
  • Input and output directly TTL-compatible.
  • Available in standard 28-pin (300 or 600 mil) ceramic DIP, 28-pin (300 mil) SOJ.
  • Military product compliant to MIL-STD-883.

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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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CMOS Static RAM 256K (32K x 8-Bit) 71256S 71256L Features ◆ High-speed address/chip select time – Commercial: 20/25/35ns (max.) – Industrial: 20/25/35ns (max.) – Military: 25/35/45/55/70/85/100ns (max.) ◆ Low-power operation ◆ Battery Backup operation – 2V data retention ◆ Produced with advanced high-performance CMOS technology ◆ Input and output directly TTL-compatible ◆ Available in standard 28-pin (300 or 600 mil) ceramic DIP, 28-pin (300 mil) SOJ ◆ Military product compliant to MIL-STD-883, Class B ◆ Industrial temperature range (–40°C to +85°C) is available for selected speeds ◆ Green parts available, see ordering information Description The IDT 71256 is a 262,144-bit high-speed static RAM organized as 32K x 8.