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70V26 - Block Diagram


16K x 16 3.3V Dual-Port RAM

The 70V26 is a high-speed 16K x 16 Dual-Port Static RAM designed to be used as a stand-alone Dual-Port RAM or as a combination MASTER/SLAVE Dual-Port RAM for 32-bit or wider memory system applications resulting in full-speed, error-free operation without the need for additional discrete logic. An automatic power down feature controlled by CE permits the on-chip circuitry of each port to enter a very low standby power mode.


  • True Dual-Ported memory cells which allow simultaneous reads of the same memory location
  • Separate upper-byte and lower-byte control
  • 70V26 easily expands data bus width to 32 bits or more
  • On-chip port arbitration logic
  • Full on-chip hardware support of semaphore signaling between ports
  • Fully asynchronous operation from either port
  • TTL-compatible, single 3.3V (±0.3V) power supply
  • Available in 84-pin PGA and PLCC packages
  • Industrial temperature range (-40C to +85C) is available

Product Specification

Core Voltage (V)Bus Width (bits)Density (Kb)Pkg. CodeInterfaceI/O TypeAccess Time (ns)I/O Frequency (MHz)Temp. RangeArchitectureOrganizationFunctionOutput Type
3.316256GU84, PL84Async3.3 V LVTTL25, 35, 55-40 to 85°C, 0 to 70°CDual-Port16K x 16Slave, Semaphore, Master, Interrupt, Busy

Product Options

Orderable Part IDPart StatusPkg. CodePkg. TypeLead Count (#)Temp. GradePb (Lead) FreeCarrier TypeSample & Buy
70V26L25GActiveGU84PGA84CNoTrayCheck Availability
70V26L25JActivePL84PLCC84CNoTubeCheck Availability
70V26L25J8ActivePL84PLCC84CNoReelCheck Availability
70V26L25JIActivePL84PLCC84INoTubeCheck Availability
70V26L25JI8ActivePL84PLCC84INoReelCheck Availability
70V26L35GActiveGU84PGA84CNoTrayCheck Availability
70V26L35JActivePL84PLCC84CNoTubeCheck Availability
70V26L35J8ActivePL84PLCC84CNoReelCheck Availability
70V26L55GActiveGU84PGA84CNoTrayCheck Availability
70V26L55JActivePL84PLCC84CNoTubeCheck Availability
70V26L55J8ActivePL84PLCC84CNoReelCheck Availability
70V26S25JActivePL84PLCC84CNoTubeCheck Availability
70V26S25J8ActivePL84PLCC84CNoReelCheck Availability
70V26S35GActiveGU84PGA84CNoTrayCheck Availability
70V26S35JActivePL84PLCC84CNoTubeCheck Availability
70V26S35J8ActivePL84PLCC84CNoReelCheck Availability
70V26S55GActiveGU84PGA84CNoTrayCheck Availability
70V26S55JActivePL84PLCC84CNoTubeCheck Availability
70V26S55J8ActivePL84PLCC84CNoReelCheck Availability


Technical Documentation

Title Type Format File Size Datesort icon
Datasheets & Errata
70V26 Data Sheet Datasheet PDF 146 KB Jan 29, 2009
Apps Notes & White Papers
AN-68, Dual-Port SRAM Simplifies PC-to-TMS320 Interface Application Note PDF 92 KB May 31, 2006
AN-70, Dual-Port Interrupt Expansion Application Note PDF 56 KB May 31, 2006
AN-91, The Most Commonly Asked Questions About Async Dual-Ports Application Note PDF 87 KB May 31, 2006
show all (6)
AN-14, Dual-Port w/ Semaphore Arbitration Application Note PDF 71 KB May 30, 2006
AN-253, Introduction to Multi-Port Memories Application Note PDF 36 KB May 30, 2006
AN-09, Dual-Port SRAMs Yield Bit-Slice Designs Application Note PDF 69 KB May 30, 2006
PCN#: A-0410-02, Change IDT marking logo with new IDT gridless w Product Change Notice PDF 24 KB Nov 14, 2012
PCN# : W0804-01 Upgrade of Process Technology Product Change Notice PDF 103 KB Apr 22, 2008
PCN# A-0607-06 MMT Thailand as Alternate Assembly Facility for PLCC, SOIC 150mil/300mil Product Change Notice PDF 223 KB Oct 6, 2006
show all (14)
PCN#: TB-0512-01 Reel Color Changed from Blue to Black Product Change Notice PDF 729 KB Dec 16, 2005
PCN A-0506-03; Packing Material Change Product Change Notice PDF 290 KB Jul 19, 2005
PCN#: A-0412-04 - To comply with Pb-free labels - Green Products Product Change Notice PDF 80 KB Dec 14, 2004
PCN#:A-0309-06 Rev1, Hermetic transfer to ATP-P1 Product Change Notice PDF 44 KB Oct 15, 2004
PCN#: A-0305-04 Rev. 01, Tin Plating and Solder Dip Process at G Product Change Notice PDF 38 KB Mar 4, 2004
PCN#: A-0310-01, Green Products Product Change Notice PDF 26 KB Oct 10, 2003
PCN#: A-0309-04, new mold compound G600 material Product Change Notice PDF 134 KB Oct 7, 2003
PCN# G-0203-05 Mold Compound Product Change Notice PDF 40 KB Apr 16, 2002
PCN# G0106-01, Moisture Sensitive Label Change Product Change Notice PDF 274 KB Jun 11, 2001
PCN SM 0008-04 - Die Revision Product Change Notice PDF 19 KB Aug 21, 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
70V26J PLCC HSpice Model Model - HSPICE application/x-tar 49 KB Feb 19, 1999
70V26J PLCC IBIS Model Model - IBIS ZIP 12 KB Nov 7, 1997