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

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

Documentation & Downloads

Title Other Languages Type Format File Size Date
Datasheets & Errata
71256S_L Data Sheet Datasheet PDF 249 KB
PCNs & PDNs
PCN# : A2001-02-R1 Transfer Select Packages Assembly Location from OSET to Greatek, Taiwan Product Change Notice PDF 748 KB
PCN# : A2001-02 Transfer Assembly Location from OSET to Greatek, Taiwan Product Change Notice PDF 108 KB
PCN# : A1504-01 Change Silver Glass adhesive material Product Change Notice PDF 27 KB
PCN# : A1503-01 New Die Coat Materials Product Change Notice PDF 24 KB