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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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IDT7005S датащи(PDF) 13 Page - Integrated Device Technology |
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IDT7005S датащи(HTML) 13 Page - Integrated Device Technology |
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13 / 21 page  6.42 IDT7005S/L High-Speed 8K x 8 Dual-Port Static RAM Military, Industrial and Commercial Temperature Ranges 13 2738 drw 13 tDW tAPS (1) ADDR"A" tWC DATAOUT "B" MATCH tWP R/ W"A" DATAIN "A" ADDR"B" tDH VALID MATCH BUSY"B" tBDA VALID tBDD tDDD (3) tWDD Timing Waveform of Write with Port-to-Port Read with BUSY(2,5) (M/S = VIH)(4) NOTES: 1. tWH must be met for both BUSY input (slave) and output (master). 2. BUSY is asserted on Port "B", blocking R/W"B", until BUSY"B" goes HIGH 3. tWB is only for the 'Slave' Version.. NOTES: 1. To ensure that the earlier of the two ports wins. tAPS is ignored for for M/S = VIL (slave). 2. CEL = CER = VIL 3. OE = VIL for the reading port. 4. If M/S = VIL (slave), then BUSY is an input (BUSY"A" =VIH), and BUSY"B" = "don't care", for this example. 5. All timing is the same for left and right ports. Port "A" may be either the left or right port. Port "B" is the port opposite port "A". Timing Waveform of Write with BUSY 2738 drw 14 R/ W"A" BUSY"B" tWP tWB (3) R/ W"B" tWH (1) (2) |
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