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709149 - Block Diagram


4K x 9 Sync, Dual-Port RAM, Pipelined

The 709149 is a high-speed 4K x 9 bit synchronous Dual-Port SRAM that has been optimized for applications having unidirectional data flow or bi-directional data flow in bursts, by utilizing input data registers. The 709149 utilizes a 9-bit wide data path to allow for parity which is useful in data communication applications where it is necessary to use a parity bit for transmission/ reception error checking. An automatic power down feature, controlled by CE, permits the on-chip circuitry of each port to enter a very low standby power mode.


  • Synchronous operation
  • 13ns cycle time, 76MHz operation in pipeline mode
  • Self-timed write allows for fast cycle times
  • TTL-compatible, singles 5V (±10%) power supply
  • Clock Enable feature
  • Guaranteed data output hold times
  • Available in 80-pin TQFP package
  • Industrial temperature range (–40C to +85C) is available

Product Specification

Core Voltage (V)Bus Width (bits)Density (Kb)Pkg. CodeInterfaceI/O TypeCycle Time (ns)I/O Frequency (MHz)Temp. RangeArchitectureOrganizationFunctionOutput Type
5936PN80Sync5.0 V TTL50.00, 100.00, 125.00-40 to 85°C, 0 to 70°CDual-Port4K x 9Dual ClocksPipelined, Flowthrough

Product Options

Orderable Part IDPart StatusPkg. CodePkg. TypeLead Count (#)Temp. GradePb (Lead) FreeCarrier TypeSample & Buy
709149S10PFLast Time BuyPN80TQFP80CNoTrayCheck Availability
709149S10PF8ActivePN80TQFP80CNoReelCheck Availability
709149S10PFILast Time BuyPN80TQFP80INoTrayCheck Availability
709149S10PFI8PreviewPN80TQFP80INoReelCheck Availability
709149S12PFLast Time BuyPN80TQFP80CNoTrayCheck Availability
709149S12PF8ActivePN80TQFP80CNoReelCheck Availability
709149S8PFLast Time BuyPN80TQFP80CNoTrayCheck Availability
709149S8PF8ActivePN80TQFP80CNoReelCheck Availability


Technical Documentation

Title Type Format File Size Datesort icon
Datasheets & Errata
709149 Datasheet Datasheet PDF 612 KB Apr 9, 2015
Apps Notes & White Papers
AN-68, Dual-Port SRAM Simplifies PC-to-TMS320 Interface Application Note PDF 92 KB May 31, 2006
AN-254, The Most Commonly Asked Questions About Sync Dual-Ports Application Note PDF 66 KB May 30, 2006
AN-144, Sync Dual-Ports for DSP & Communication Applications Application Note PDF 102 KB May 30, 2006
show all (5)
AN-09, Dual-Port SRAMs Yield Bit-Slice Designs Application Note PDF 69 KB May 30, 2006
AN-253, Introduction to Multi-Port Memories Application Note PDF 36 KB May 30, 2006
PDN# : CQ-16-01 PRODUCT DISCONTINUANCE NOTICE Product Discontinuation Notice PDF 552 KB May 4, 2016
PCN#: A-0410-02, Change IDT marking logo with new IDT gridless w Product Change Notice PDF 24 KB Nov 14, 2012
PCN# : A-0610-02 ASAT China as Alternate Facility for CABGA/CVBGA/FPBGA/TQFP/PQFP Product Change Notice PDF 252 KB Oct 19, 2006
show all (15)
A-0603-04 Transfer TQFP and PQFP from ASAT HK to ASAT China Product Change Notice PDF 164 KB May 10, 2006
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-0310-01, Green Products Product Change Notice PDF 26 KB Oct 10, 2003
PCN#G-0302-05, New mold compound EME-G700 series Product Change Notice PDF 65 KB Mar 20, 2003
PCN#: G-0302-06, New die attach 3230 from Ablestik Product Change Notice PDF 150 KB Mar 20, 2003
PCN SM-0211-01 Wafer Fab Transfer, Fab 2 to Fab 4 Product Change Notice PDF 23 KB Mar 3, 2003
PCN# G-0206-08, Orientation of square PQFP & TQFP Product Change Notice PDF 150 KB Jun 17, 2002
PCN# G-0110-06 REV.1 Mold Compound Product Change Notice PDF 48 KB Apr 26, 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# 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
709149PF TQFP HSpice Model Model - HSPICE application/x-compress 11 KB Oct 9, 1998
70914PF TQFP IBIS Model Model - IBIS ZIP 9 KB Aug 5, 1997