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特性

  • Free-running CLKA and CLKB can be asynchronous or coincident
  • Clocked FIFO buffering data from Port A to Port B
  • Synchronous read retransmit capability
  • Mailbox register in each direction
  • Programmable Almost-Full and Almost-Empty flags
  • Microprocessor interface control logic
  • Available in 132-pin PQFP and 120-pin TQFP packages
  • Industrial temperature range (–40C to +85C) is available

描述

The 723641 is a 1K x 36 Sync FIFO memory that supports clock frequencies up to 67 MHz and has read access times as fast as 12ns. The FIFO memory has retransmit capability, which allows previously read data to be accessed again. Communication between each port may take place with two 36-bit mailbox registers. All data transfers through a port are gated to the LOW-to-HIGH transition of a continuous port clock by enable signals.
Part NumberStatusSamplesStockPackageLead Count (#)Temp. GradePb (Lead) FreeCarrier Type
723641L15PFObsoleteN/AOut of StockTQFP120#CNoTray
723641L15PF8ObsoleteN/AOut of StockTQFP120#CNoReel
723641L15PFGObsoleteN/AOut of StockTQFP120#CYesTray
723641L15PFG8ObsoleteN/AOut of StockTQFP120#CYesReel
723641L15PQFObsoleteN/AOut of StockPQFP132#CNoTray
723641L15PQFGObsoleteN/AOut of StockPQFP132#CYesTray
723641L20PFObsoleteN/AOut of StockTQFP120#CNoTray
723641L20PF8ObsoleteN/AOut of StockTQFP120#CNoReel
723641L20PFIObsoleteN/AOut of StockTQFP120#INoTray
723641L20PFI8ObsoleteN/AOut of StockTQFP120#INoReel
723641L20PQFObsoleteN/AOut of StockPQFP132#CNoTray
723641L20PQFGIObsoleteN/AOut of StockPQFP132#IYesTray
723641L20PQFIObsoleteN/AOut of StockPQFP132#INoTray
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