* Simultaneous Read and Write SigmaQuad™ Interface
* JEDEC-standard pinout and package
* Dual Double Data Rate interface
* Byte Write controls sampled at .

where alternating reads and writes are needed. Therefore, the SigmaQuad-II SRAM interface and truth table are optimized .

Table Symbol SA NC R W BW0
  –BW3 NW0
  –NW1 K K C C TMS TDI TCK TDO VREF ZQ Qn Dn Doff CQ CQ VDD VDDQ VSS Note: NC = Not Connected to die or any other pin Description Synchronous Address Inputs No Connect Synchronous Read .

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