5.0V 32K x 8 Asynchronous Static RAM

The 71256 5V CMOS SRAM is organized as 32K x 8. The circuit also offers a reduced power standby mode for significant system level power and cooling savings. The low-power (L) version also offers a battery backup data retention capability allowing operation off a 2V battery. Fully static asynchronous circuitry is used; no clocks or refreshes are required for operation. Military grade product is available.

Features

  • High-speed address/chip select time – Military: 25/35/45/55/70/85/100ns (max.) 
  • Commercial/Industrial: 20/25/35ns (max.) low power only
  • Low-power operation
  • Battery Backup operation – 2V data retention
  • 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

Product Options

Orderable Part ID Part Status Pkg. Code Pkg. Type Lead Count (#) Temp. Grade Pb (Lead) Free Carrier Type Buy Sample
71256L100DB Active CD28 CDIP 28 M No Tube Availability
71256L100TDB Active SD28 CDIP 28 M No Tube Availability
71256L20YG Active PJG28 SOJ 28 C Yes Tube Availability
71256L20YG8 Active PJG28 SOJ 28 C Yes Reel Availability
71256L20YGI Active PJG28 SOJ 28 I Yes Tube Availability
71256L20YGI8 Active PJG28 SOJ 28 I Yes Reel Availability
71256L25DB Active CD28 CDIP 28 M No Tube Availability
71256L25TDB Active SD28 CDIP 28 M No Tube Availability
71256L25YG Active PJG28 SOJ 28 C Yes Tube Availability
71256L25YG8 Active PJG28 SOJ 28 C Yes Reel Availability
71256L25YGI Active PJG28 SOJ 28 I Yes Tube Availability
71256L25YGI8 Active PJG28 SOJ 28 I Yes Reel Availability
71256L35DB Active CD28 CDIP 28 M No Tube Availability
71256L35TDB Active SD28 CDIP 28 M No Tube Availability
71256L35YG Active PJG28 SOJ 28 C Yes Tube Availability
71256L35YG8 Active PJG28 SOJ 28 C Yes Reel Availability
71256L35YGI Active PJG28 SOJ 28 I Yes Tube Availability
71256L35YGI8 Active PJG28 SOJ 28 I Yes Reel Availability
71256L45DB Active CD28 CDIP 28 M No Tube Availability
71256L45TDB Active SD28 CDIP 28 M No Tube Availability
71256L55DB Active CD28 CDIP 28 M No Tube Availability
71256L55TDB Active SD28 CDIP 28 M No Tube Availability
71256L70DB Active CD28 CDIP 28 M No Tube Availability
71256L70TDB Active SD28 CDIP 28 M No Tube Availability
71256L85DB Active CD28 CDIP 28 M No Tube Availability
71256L85TDB Active SD28 CDIP 28 M No Tube Availability
71256S100DB Active CD28 CDIP 28 M No Tube Availability
71256S100TDB Active SD28 CDIP 28 M No Tube Availability
71256S25DB Active CD28 CDIP 28 M No Tube Availability
71256S25TDB Active SD28 CDIP 28 M No Tube Availability
71256S35DB Active CD28 CDIP 28 M No Tube Availability
71256S35TDB Active SD28 CDIP 28 M No Tube Availability
71256S45DB Active CD28 CDIP 28 M No Tube Availability
71256S45TDB Active SD28 CDIP 28 M No Tube Availability
71256S55DB Active CD28 CDIP 28 M No Tube Availability
71256S55TDB Active SD28 CDIP 28 M No Tube Availability
71256S70DB Active CD28 CDIP 28 M No Tube Availability
71256S70TDB Active SD28 CDIP 28 M No Tube Availability
71256S85DB Active CD28 CDIP 28 M No Tube Availability
71256S85TDB Active SD28 CDIP 28 M No Tube Availability

Technical Documentation

Title Other Languages Type Format File Size Date
Datasheets & Errata
71256S_L Data Sheet Datasheet PDF 78 KB Oct 29, 2014
PCNs & PDNs
PCN# : A1504-01 Change Silver Glass adhesive material Product Change Notice PDF 27 KB Apr 26, 2015
PCN# : A1503-01 New Die Coat Materials Product Change Notice PDF 24 KB Apr 11, 2015
PCN# SR-0602-03 Product Change Notice PDF 68 KB Mar 7, 2006