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特性

  • Dual-Port allows simultaneous access of the same memory location
  • Selectable Pipelined or Flow-Through output mode
  • Counter enable and repeat features
  • Dual chip enables allow for depth expansion without additional logic
  • Interrupt and Collision Detection Flags
  • Full synchronous operation on both ports
  • Separate byte controls for multiplexed bus and bus matching compatibility
  • Dual Cycle Deselect (DCD) for Pipelined Output Mode
  • 2.5V (±100mV) power supply for core
  • LVTTL compatible, selectable 3.3V (±150mV) or 2.5V (±100mV) power supply for I/Os and control signals on each port
  • Available in a 256-pin BGA and 208-pin fpBGA packages
  • Includes JTAG functionality
  • Industrial temperature range (-40C to +85C) is available

描述

The 70T3319 is a high-speed 256K x 18 bit synchronous Dual-Port RAM that has been optimized for applications having unidirectional or bidirectional data flow in bursts. An automatic power down feature, controlled by CE0 and CE1, permits the on-chip circuitry of each port to enter a very low standby power mode. The 70T3319 can support an operating voltage of either 3.3V or 2.5V on one or both ports, controllable by the OPT pins. The power supply for the core of the device (VDD) is at 2.5V.

Part NumberStatusSamplesStockPackageLead Count (#)Temp. GradePb (Lead) FreeCarrier Type
70T3319S133BCObsoleteN/AOut of StockCABGA256#CNoTray
70T3319S133BC8ObsoleteN/AOut of StockCABGA256#CNoReel
70T3319S133BCIObsoleteN/AOut of StockCABGA256#INoTray
70T3319S133BCI8ObsoleteN/AOut of StockCABGA256#INoReel
70T3319S133BFObsoleteN/AOut of StockCABGA208#CNoTray
70T3319S133BF8ObsoleteN/AOut of StockCABGA208#CNoReel
70T3319S133BFGIObsoleteN/AOut of StockCABGA208#IYesTray
70T3319S133BFGI8ObsoleteN/AOut of StockCABGA208#IYesReel
70T3319S133BFIObsoleteN/AOut of StockCABGA208#INoTray
70T3319S133BFI8ObsoleteN/AOut of StockCABGA208#INoReel
70T3319S166BCObsoleteN/AOut of StockCABGA256#CNoTray
70T3319S166BC8ObsoleteN/AOut of StockCABGA256#CNoReel
70T3319S166BFObsoleteN/AOut of StockCABGA208#CNoTray
70T3319S166BF8ObsoleteN/AOut of StockCABGA208#CNoReel
70T3319S166BFGObsoleteN/AOut of StockCABGA208#CYesTray
70T3319S166BFG8ObsoleteN/AOut of StockCABGA208#CYesReel
70T3319S200BCObsoleteN/AOut of StockCABGA256#CNoTray
70T3319S200BC8ObsoleteN/AOut of StockCABGA256#CNoReel
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