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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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CDP1822CDX датащи(PDF) 4 Page - Intersil Corporation |
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CDP1822CDX датащи(HTML) 4 Page - Intersil Corporation |
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4 / 8 page  6-14 tDOA1 tDOA2 tDOH1 tRC tDOH3 tAA DATA OUT VALID HIGH IMPEDANCE HIGH IMPEDANCE CHIP-SELECT 1 A0 - A7 CHIP-SELECT 2 OUTPUT DISABLE READ/WRITE DATA OUT tDOH2 tDOA3 FIGURE 1. READ CYCLE TIMING WAVEFORMS Dynamic Electrical Specifications At TA + -40 to +85oC, VDD ±5%, Input tR, tF = 20ns, VIH = 0.7 VDD, VIL = 0.3 VDD, CL = 100 pF. PARAMETER TEST CONDITIONS LIMITS UNITS CD1822 CDP1822C VDD (V) (NOTE 1) MIN (NOTE 2) TYP MAX (NOTE 1) MIN (NOTE 2) TYP MAX Read Cycle Times (Figure 2) Write Cycle tWC 5 500 - - 500 - - ns 10 300 - - - - - ns Address Setup tAS 5 200 - - 200 - - ns 10 110 - - - - - ns Write Recovery tWR 550 - - 50 - - ns 10 40 - - - - - ns Write Width tWRW 5 250 - - 250 - - ns 10 150 - - - - - ns Input Data Setup Time tDS 5 250 - - 250 - - ns 10 150 - - - - - ns Data Hold tDH 550 - - 50 - - ns 10 40 - - - - - ns Chip-Select 1 Setup tCS1S 5 200 - - 200 - - ns 10 110 - - - - - ns Chip-Select 2 Setup tCS2S 5 200 - - 200 - - ns 10 110 - - - - - ns CDP1822, CDP1822C |
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