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特性

  • Free-running CLKA and CLKB may be asynchronous or coincident
  • Two independent clocked FIFOs buffering data in opposite directions
  • Mailbox bypass register for each FIFO
  • Programmable Almost-Full and Almost-Empty flags
  • Supports clock frequencies up to 83MHz
  • Fast access times of 8ns
  • Available in 120-pin TQFP package
  • Industrial temperature range (–40C to +85C) is available

描述

The 723642 is a monolithic Bidirectional SyncFIFO (clocked) memory. Two independent 1K x 36 dual-port SRAM FIFOs on board each chip buffer data in opposite directions. Communication between each port may bypass the FIFOs via two 36-bit mailbox registers. Each mailbox register has a flag to signal when new mail has been stored. The enables for each port are arranged to provide a simple bidirectional interface between microprocessors and/or buses with synchronous control.

Part NumberStatusSamplesStockPackageLead Count (#)Temp. GradePb (Lead) FreeCarrier Type
723642L12PFObsoleteN/AOut of StockTQFP120#CNoTray
723642L12PF8ObsoleteN/AOut of StockTQFP120#CNoReel
723642L12PQFObsoleteN/AOut of StockPQFP132#CNoTray
723642L12PQFGObsoleteN/AOut of StockPQFP132#CYesTray
723642L15PFObsoleteN/AOut of StockTQFP120#CNoTray
723642L15PF8ObsoleteN/AOut of StockTQFP120#CNoReel
723642L15PFGObsoleteN/AIn StockTQFP120#CYesTray
723642L15PFG8ObsoleteN/AOut of StockTQFP120#CYesReel
723642L15PQFObsoleteN/AOut of StockPQFP132#CNoTray
723642L15PQFGIObsoleteN/AOut of StockPQFP132#IYesTray
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