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特性

  • True Dual-Ported memory cells which allow simultaneous
  • access of the same memory location
  • Separate upper-byte and lower-byte control for bus matching capability.
  • Dual chip enables allow for depth expansion without external logic
  • 7027 easily expands data bus width to 32 bits or more
  • Busy and Interrupt Flags
  • On-chip port arbitration logic
  • Full on-chip hardware support of semaphore signaling between ports
  • Fully asynchronous operation from either port
  • TTL-compatible, single 5V (±10%) power supply
  • Available in 100-pin TQFP and 108-pin PGA packages
  • Industrial temperature range (–40C to +85C) is available

描述

The 7027 is a high-speed 32K x 16 Dual-Port Static RAM designed to be used as a stand-alone 512K-bit Dual-Port RAM or as a combination MASTER/SLAVE Dual-Port RAM for 32-bit-or-more word systems. An automatic power down feature permits the on-chip circuitry of each port to enter a very low standby power mode. Military grade product in compliance with MIL-PRF-38535 QML is available.

产品参数

属性
Core Voltage (V)5
Bus Width (bits)16
Density (Kb)512
Pkg. CodePNG100
InterfaceAsync
I/O Type5.0 V TTL
Access Time (ns)15, 20
Temp. Range (°C)-40 to 85°C, 0 to 70°C
ArchitectureDual-Port
Organization32K x 16
FunctionInterrupt

封装选项

Pkg. TypePkg. Dimensions (mm)Lead Count (#)Pitch (mm)
TQFP14.0 x 14.0 x 1.41000.5
Part NumberStatusSamplesStockPackageBudgetary Price (USD)Lead Count (#)Temp. GradePb (Lead) FreeCarrier TypeMoisture Sensitivity Level (MSL)Country of AssemblyCountry of Wafer Fabrication
7027L15PFGActiveAvailableIn StockTQFP1ku | $63.11100#CYesTray3TAIWANTAIWAN, USA
7027L20PFGIActiveAvailableIn StockTQFP1ku | $63.11100#IYesTray3TAIWANTAIWAN, USA
7027L20PFGI8ActiveN/AOut of StockTQFP1ku | $63.11100#IYesReel3TAIWANTAIWAN, USA
7027L15PFObsoleteN/AOut of StockTQFP100#CNoTray3
7027L15PF8ObsoleteN/AOut of StockTQFP100#CNoReel3
7027L15PFG8ObsoleteN/AOut of StockTQFP100#CYesReel3
7027L20PFObsoleteN/AOut of StockTQFP100#CNoTray3
7027L20PF8ObsoleteN/AOut of StockTQFP100#CNoReel3
7027L20PFIObsoleteN/AOut of StockTQFP100#INoTray3
7027L20PFI8ObsoleteN/AOut of StockTQFP100#INoReel3
7027L25GObsoleteN/AOut of StockPGA108#CNoTray1
7027L25PFObsoleteN/AOut of StockTQFP100#CNoTray3
7027L25PF8ObsoleteN/AOut of StockTQFP100#CNoReel3
7027L25PFIObsoleteN/AOut of StockTQFP100#INoTray3
7027L35GObsoleteN/AOut of StockPGA108#CNoTray1
7027L35PFObsoleteN/AOut of StockTQFP100#CNoTray3
7027L35PF8ObsoleteN/AOut of StockTQFP100#CNoReel3
7027L55GObsoleteN/AOut of StockPGA108#CNoTray1
7027L55PFObsoleteN/AOut of StockTQFP100#CNoTray3
7027L55PF8ObsoleteN/AOut of StockTQFP100#CNoReel3
7027S15PFObsoleteN/AOut of StockTQFP100#CNoTray3
7027S15PF8ObsoleteN/AOut of StockTQFP100#CNoReel3
7027S20PFObsoleteN/AOut of StockTQFP100#CNoTray3
7027S20PF8ObsoleteN/AOut of StockTQFP100#CNoReel3
7027S25GObsoleteN/AOut of StockPGA108#CNoTray1
7027S25PFObsoleteN/AOut of StockTQFP100#CNoTray3
7027S25PF8ObsoleteN/AOut of StockTQFP100#CNoReel3
7027S25PFIObsoleteN/AOut of StockTQFP100#INoTray3
7027S25PFI8ObsoleteN/AOut of StockTQFP100#INoReel3
7027S35GObsoleteN/AOut of StockPGA108#CNoTray1
7027S35PFObsoleteN/AOut of StockTQFP100#CNoTray3
7027S35PF8ObsoleteN/AOut of StockTQFP100#CNoReel3
7027S55GObsoleteN/AOut of StockPGA108#CNoTray1
7027S55PFObsoleteN/AOut of StockTQFP100#CNoTray3
7027S55PF8ObsoleteN/AOut of StockTQFP100#CNoReel3
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