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70V18 - Block Diagram

70V18

64K x 9 3.3V Dual-Port RAM

The 70V18 is a high-speed 64K x 9 Dual-Port Static RAM designed to be used as a stand-alone 576K-bit Dual-Port SRAM or as a combination MASTER/SLAVE Dual-Port SRAM for 18-bit-or-more word systems which results in full speed, error-free operation without the need for additional discrete logic. An automatic power down feature controlled by the chip enables (either CE0 or CE1) permit the on-chip circuitry of each port to enter a very low standby power mode.

Features

  • True Dual-Ported memory cells which allow simultaneous reads of the same memory location
  • 70V18 easily expands data bus width to 18 bits or more
  • Dual chip enables allow for depth expansion without external logic
  • Busy and Interrupt Flag
  • 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 100-pin TQFP 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
3.39576PN100Async3.3 V LVTTL15, 20-40 to 85°C, 0 to 70°CDual-Port64K x 9Busy, Interrupt, Slave, Semaphore, Master

Product Options

Orderable Part IDPart StatusPkg. CodePkg. TypeLead Count (#)Temp. GradePb (Lead) FreeCarrier TypeSample & Buy
70V18L15PFActivePN100TQFP100CNoTrayCheck Availability
70V18L15PF8ActivePN100TQFP100CNoReelCheck Availability
70V18L20PFActivePN100TQFP100CNoTrayCheck Availability
70V18L20PF8ActivePN100TQFP100CNoReelCheck Availability
70V18L20PFIActivePN100TQFP100INoTrayCheck Availability
70V18L20PFI8ActivePN100TQFP100INoReelCheck Availability

Documents

Technical Documentation

Title Type Format File Size Datesort icon
Datasheets & Errata
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70V18 Data Sheet Datasheet PDF 641 KB Mar 19, 2015
Apps Notes & White Papers
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AN-68, Dual-Port SRAM Simplifies PC-to-TMS320 Interface Application Note PDF 92 KB May 31, 2006
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AN-70, Dual-Port Interrupt Expansion Application Note PDF 56 KB May 31, 2006
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AN-91, The Most Commonly Asked Questions About Async Dual-Ports Application Note PDF 87 KB May 31, 2006
show all (6)
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AN-14, Dual-Port w/ Semaphore Arbitration Application Note PDF 71 KB May 30, 2006
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AN-253, Introduction to Multi-Port Memories Application Note PDF 36 KB May 30, 2006
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AN-09, Dual-Port SRAMs Yield Bit-Slice Designs Application Note PDF 69 KB May 30, 2006
PCNs & PDNs
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PCN#: A-0410-02, Change IDT marking logo with new IDT gridless w Product Change Notice PDF 24 KB Nov 14, 2012
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PCN# : A-0610-02 ASAT China as Alternate Facility for CABGA/CVBGA/FPBGA/TQFP/PQFP Product Change Notice PDF 252 KB Oct 19, 2006
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A-0603-04 Transfer TQFP and PQFP from ASAT HK to ASAT China Product Change Notice PDF 164 KB May 10, 2006
show all (15)
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PCN A-0506-03; Packing Material Change Product Change Notice PDF 290 KB Jul 19, 2005
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PCN#: A-0412-04 - To comply with Pb-free labels - Green Products Product Change Notice PDF 80 KB Dec 14, 2004
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PCN#: A-0310-01, Green Products Product Change Notice PDF 26 KB Oct 10, 2003
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PCN#G-0302-05, New mold compound EME-G700 series Product Change Notice PDF 65 KB Mar 20, 2003
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PCN#: G-0302-06, New die attach 3230 from Ablestik Product Change Notice PDF 150 KB Mar 20, 2003
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PCN#:G-0303-01, new m/c G700 & 3230 d/a material Product Change Notice PDF 138 KB Mar 11, 2003
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PCN# G-0206-08, Orientation of square PQFP & TQFP Product Change Notice PDF 150 KB Jun 17, 2002
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PCN# G-0110-06 REV.1 Mold Compound Product Change Notice PDF 48 KB Apr 26, 2002
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PCN# G-0110-06 Mold Compound Product Change Notice PDF 47 KB Dec 14, 2001
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PCN# G0106-01, Moisture Sensitive Label Change Product Change Notice PDF 274 KB Jun 11, 2001
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PCN SM 0008-04 - Die Revision Product Change Notice PDF 19 KB Aug 21, 2000
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PCN# G9911-05, To qualify low alpha mold compound. Product Change Notice PDF 44 KB Nov 18, 1999