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71V424 - Block Diagram


3.3V 512K x 8 Asynchronous Static RAM Center Pwr & Gnd Pinout

The 71V424 3.3V CMOS SRAM is organized as 512K x 8. All bidirectional inputs and outputs of the 71V424 are TTL-compatible and operation is from a single 3.3V supply. Fully static asynchronous circuitry is used, requiring no clocks or refresh for operation.


  • JEDEC Center Power / GND pinout for reduced noise
  • Equal access and cycle times
  • — Commercial and Industrial: 10/12/15ns
  • Single 3.3V power supply
  • One Chip Select plus one Output Enable pin
  • Bidirectional data inputs and outputs directly
  • TTL-compatible
  • Low power consumption via chip deselect
  • Available in 36-pin, 400 mil plastic SOJ and 44-pin, 400 mil TSOP packages

Product Specification

Density (Kb)Bus Width (bits)Core Voltage (V)Pkg. CodeOrganizationI/O Voltage (V)Access Time (ns)I/O Frequency (MHz)Temp. RangeArchitectureOutput Type
409683.3PHG44, PBG36512K x 83.3010, 12, 15-40 to 85°C, 0 to 70°CAsynchronous

Product Options

Orderable Part IDPart StatusPkg. CodePkg. TypeLead Count (#)Temp. GradePb (Lead) FreeCarrier TypeSample & Buy
71V424L10PHGActivePHG44TSOP44CYesTubeCheck Availability
71V424L10PHG8ActivePHG44TSOP44CYesReelCheck Availability
71V424L10PHGIActivePHG44TSOP44IYesTubeCheck Availability
71V424L10PHGI8ActivePHG44TSOP44IYesReelCheck Availability
71V424L10YGActivePBG36SOJ36CYesTubeCheck Availability
71V424L10YG8ActivePBG36SOJ36CYesReelCheck Availability
71V424L10YGIActivePBG36SOJ36IYesTubeCheck Availability
71V424L10YGI8ActivePBG36SOJ36IYesReelCheck Availability
71V424L12PHGActivePHG44TSOP44CYesTubeCheck Availability
71V424L12PHG8ActivePHG44TSOP44CYesReelCheck Availability
71V424L12PHGIActivePHG44TSOP44IYesTubeCheck Availability
71V424L12PHGI8ActivePHG44TSOP44IYesReelCheck Availability
71V424L12YGActivePBG36SOJ36CYesTubeCheck Availability
71V424L12YG8ActivePBG36SOJ36CYesReelCheck Availability
71V424L12YGIActivePBG36SOJ36IYesTubeCheck Availability
71V424L12YGI8ActivePBG36SOJ36IYesReelCheck Availability
71V424L15PHGActivePHG44TSOP44CYesTubeCheck Availability
71V424L15PHG8ActivePHG44TSOP44CYesReelCheck Availability
71V424L15PHGIActivePHG44TSOP44IYesTubeCheck Availability
71V424L15PHGI8ActivePHG44TSOP44IYesReelCheck Availability
71V424L15YGActivePBG36SOJ36CYesTubeCheck Availability
71V424L15YG8ActivePBG36SOJ36CYesReelCheck Availability
71V424L15YGIActivePBG36SOJ36IYesTubeCheck Availability
71V424L15YGI8ActivePBG36SOJ36IYesReelCheck Availability
71V424S10PHGActivePHG44TSOP44CYesTubeCheck Availability
71V424S10PHG8ActivePHG44TSOP44CYesReelCheck Availability
71V424S10PHGIActivePHG44TSOP44IYesTubeCheck Availability
71V424S10PHGI8ActivePHG44TSOP44IYesReelCheck Availability
71V424S10YGActivePBG36SOJ36CYesTubeCheck Availability
71V424S10YG8ActivePBG36SOJ36CYesReelCheck Availability
71V424S10YGIActivePBG36SOJ36IYesTubeCheck Availability
71V424S10YGI8ActivePBG36SOJ36IYesReelCheck Availability
71V424S12PHGActivePHG44TSOP44CYesTubeCheck Availability
71V424S12PHG8ActivePHG44TSOP44CYesReelCheck Availability
71V424S12PHGIActivePHG44TSOP44IYesTubeCheck Availability
71V424S12PHGI8ActivePHG44TSOP44IYesReelCheck Availability
71V424S12YGActivePBG36SOJ36CYesTubeCheck Availability
71V424S12YG8ActivePBG36SOJ36CYesReelCheck Availability
71V424S12YGIActivePBG36SOJ36IYesTubeCheck Availability
71V424S12YGI8ActivePBG36SOJ36IYesReelCheck Availability
71V424S15PHGActivePHG44TSOP44CYesTubeCheck Availability
71V424S15PHG8ActivePHG44TSOP44CYesReelCheck Availability
71V424S15PHGIActivePHG44TSOP44IYesTubeCheck Availability
71V424S15PHGI8ActivePHG44TSOP44IYesReelCheck Availability
71V424S15YGActivePBG36SOJ36CYesTubeCheck Availability
71V424S15YG8ActivePBG36SOJ36CYesReelCheck Availability
71V424S15YGIActivePBG36SOJ36IYesTubeCheck Availability
71V424S15YGI8ActivePBG36SOJ36IYesReelCheck Availability


Technical Documentation

Title Type Format File Size Datesort icon
Datasheets & Errata
71V424 Data Sheet Datasheet PDF 67 KB Oct 30, 2014
PCN#: A-0410-02, Change IDT marking logo with new IDT gridless w Product Change Notice PDF 24 KB Nov 14, 2012
PCN# : TB0609-02 Shipping Tube Changed for SOJ28L, 32L, 36L Product Change Notice PDF 146 KB Oct 10, 2006
PCN# : A-0605-03 ASE-Kaohsiung as Alternate Assembly Facility for SOJ Packages Product Change Notice PDF 115 KB May 24, 2006
show all (21)
PCN# A-0508-02: OSET Alternate Assembly Location for Green Product Change Notice PDF 18 KB Sep 2, 2005
PCN# A-0504-02R2: Assembly Transfer IDT-Manila to OSE-Ph Product Change Notice PDF 38 KB Aug 4, 2005
PCN#A-0504-02R1: Assembly Transfer IDT-Manila to OSE-Ph Product Change Notice PDF 16 KB Jul 22, 2005
PCN A-0506-03; Packing Material Change Product Change Notice PDF 290 KB Jul 19, 2005
PCN#: TB-0504-01, Transfer Test & Backend from IDT-Manila to IDT Product Change Notice PDF 35 KB Apr 29, 2005
PCN#: A-0504-02, Transfer assembly facility IDT-Manila to OSE-Ph Product Change Notice PDF 47 KB Apr 29, 2005
PCN#: A-0412-04 - To comply with Pb-free labels - Green Products Product Change Notice PDF 80 KB Dec 14, 2004
PCN SR-0402-02, Die Rev Z(CMOS 10) to Y(CMOS 11.5) Product Change Notice PDF 42 KB Mar 5, 2004
PCN#: A-0310-01, Green Products Product Change Notice PDF 26 KB Oct 10, 2003
PCN#: SR-0212-02, new /c G700 & 3230 d/a material Product Change Notice PDF 128 KB Dec 19, 2002
PCN#SR-0210-03, Shipping qty. changed to 96 units Product Change Notice PDF 433 KB Oct 24, 2002
PCN# G-0110-06 REV.1 Mold Compound Product Change Notice PDF 48 KB Apr 26, 2002
PCN# G-0203-05 Mold Compound Product Change Notice PDF 40 KB Apr 16, 2002
PCN# G-0110-06 Mold Compound Product Change Notice PDF 47 KB Dec 14, 2001
PCN# G0106-01, Moisture Sensitive Label Change Product Change Notice PDF 274 KB Jun 11, 2001
PCN SR0008-03 Die rev, Z (cmos10) to Y (cmos11.5) Product Change Notice PDF 14 KB Nov 20, 2000
PCN# G0003-03, Shipping changed (tray to tube) Product Change Notice PDF 20 KB Mar 20, 2000
PCN# G9911-05, To qualify low alpha mold compound. Product Change Notice PDF 44 KB Nov 18, 1999

Software & Tools

Title Type Format File Size Datesort icon
71V424 Hspice Model Model - HSPICE application/x-compress 12 KB Apr 5, 1999
71V424 IBIS Model Model - IBIS ZIP 8 KB Apr 12, 2011