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STK14EC8-BF15I Fiches technique(PDF) 8 Page - Simtek Corporation |
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STK14EC8-BF15I Fiches technique(HTML) 8 Page - Simtek Corporation |
8 / 19 page 8 Simtek Confidential Jan, 2008 Document Control #ML0060 Rev 1.1 STK14EC8 Preliminary SOFTWARE-CONTROLLED STORE/RECALL CYCLEk,l Note k: The software sequence is clocked on the falling edge of E controlled READs or G controlled READs Note l: The six consecutive addresses must be read in the order listed in the Software STORE/RECALL Mode Selection Table. W must be high during all six consecutive E or G controlled cycles. SOFTWARE STORE/RECALL CYCLE: E CONTROLLEDl SOFTWARE STORE/RECALL CYCLE: G CONTROLLEDl NO. Symbols PARAMETER STK14EC8-15 STK14EC8-25 STK14EC8-45 UNITS NOTES E Contk G Contk Alternate MIN MAX MIN MAX MIN MAX 26 tAVAV tAVAV tRC STORE /RECALL Initiation Cycle Time 15 25 45 ns 27 tAVEL tAVGL tAS Address Set-up Time 0 0 0 ns 28 tELEH tGLGH tCW Clock Pulse Width 12 20 30 ns 29 tEHAX tGHAX Address Hold Time 1 1 1 ns l 30 tRECALL tRECALL RECALL Duration 150 150 150 μs DQ (DATA) G E 26 tAVAV DATA VALID ADDRESS ADDRESS #1 HIGH IMPEDENCE 27 tAVEL 29 tEHAX 28 tELEH 30 tRECALL 26 tAVAV ADDRESS #6 23 tSTORE DATA VALID / ADDRESS E G DQ (DATA) 26 tAVAV DATA VALID ADDRESS #1 HIGH IMPEDENCE 29 tGHAX 30 tRECALL 26 tAVAV ADDRESS #6 23 tSTORE 27 tAVGL 28 tGLGH DATA VALID / |
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