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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 multiplexed bus compatibility
  • 70261 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 package
  • Industrial temperature range (-40OC to +85OC) is available

描述

The 70261 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-more word systems. An automatic power down feature controlled by CE permits the on-chip circuitry of each port to enter a very low standby power mode.

产品参数

属性
Core Voltage (V)5
Bus Width (bits)16
Density (Kb)256
Pkg. CodePNG100
InterfaceAsync
I/O Type5.0 V TTL
Access Time (ns)15, 20, 55
Temp. Range (°C)-40 to 85°C, 0 to 70°C
ArchitectureDual-Port
Organization16K x 16
FunctionBusy, Interrupt, Master, Semaphore, Slave

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
70261L15PFGActiveAvailableIn StockTQFP1ku | $48.56100#CYesTray3TAIWANTAIWAN, USA
70261L15PFG8ActiveN/AOut of StockTQFP1ku | $48.56100#CYesReel3TAIWANTAIWAN, USA
70261L20PFGIActiveAvailableIn StockTQFP1ku | $48.56100#IYesTray3TAIWANTAIWAN, USA
70261L20PFGI8ActiveN/AOut of StockTQFP1ku | $48.56100#IYesReel3TAIWANTAIWAN, USA
70261S55PFGActiveAvailableOut of StockTQFP1ku | $38.21100#CYesTray3TAIWANTAIWAN, USA
70261L15PFObsoleteN/AOut of StockTQFP100#CNoTray3
70261L15PF8ObsoleteN/AOut of StockTQFP100#CNoReel3
70261L20PFObsoleteN/AOut of StockTQFP100#CNoTray3
70261L20PF8ObsoleteN/AOut of StockTQFP100#CNoReel3
70261L20PFIObsoleteN/AOut of StockTQFP100#INoTray3
70261L20PFI8ObsoleteN/AOut of StockTQFP100#INoReel3
70261L25PFObsoleteN/AOut of StockTQFP100#CNoTray3
70261L25PF8ObsoleteN/AOut of StockTQFP100#CNoReel3
70261L35PFObsoleteN/AOut of StockTQFP100#CNoTray3
70261L35PF8ObsoleteN/AOut of StockTQFP100#CNoReel3
70261L55PFObsoleteN/AOut of StockTQFP100#CNoTray3
70261L55PF8ObsoleteN/AOut of StockTQFP100#CNoReel3
70261S15PFObsoleteN/AOut of StockTQFP100#CNoTray3
70261S15PF8ObsoleteN/AOut of StockTQFP100#CNoReel3
70261S20PFObsoleteN/AOut of StockTQFP100#CNoTray3
70261S20PF8ObsoleteN/AOut of StockTQFP100#CNoReel3
70261S25PFObsoleteN/AOut of StockTQFP100#CNoTray3
70261S25PF8ObsoleteN/AOut of StockTQFP100#CNoReel3
70261S25PFIObsoleteN/AOut of StockTQFP100#INoTray3
70261S25PFI8ObsoleteN/AOut of StockTQFP100#INoReel3
70261S35PFObsoleteN/AOut of StockTQFP100#CNoTray3
70261S35PF8ObsoleteN/AOut of StockTQFP100#CNoReel3
70261S55PFObsoleteN/AOut of StockTQFP100#CNoTray3
70261S55PF8ObsoleteN/AOut of StockTQFP100#CNoReel3
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