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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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STLC5466 датащи(PDF) 122 Page - STMicroelectronics |
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STLC5466 датащи(HTML) 122 Page - STMicroelectronics |
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122 / 130 page  STLC5466 122/130 Figure 4-12: 386EX write cycle (LBA# at Vdd) LBA#, Ready# signals delivered by EX386 and NRDY deliverd by the MHDLC tx Parameter min max Unit ts Set up time/MCLK rising edge for CLKOUT, ALE, Addresses, WRNRD, NCS0/2 6ns th Hold time / MCLK rising edge for CLKOUT, WRNRD, NCS0/1/2 2 ns tdd Data out delay time / MCLK rising edge (50 pF) - 20 ns tdh Data out Hold time / MCLK rising edge (50 pF) 4 ns tdz Data floating delay / MCLK rising edge 4 15 ns ty Delay NRDY low / MCLK rising edge (50 pF) 4 20 ns tyz NRDY Delay floating / MCLK rising edge (50 pF) 4 10 ns MCLK NDS/NRD/ CLKOUT NAS/ ALE A1/23 A0/ NBLE SIZE1/ NBHE /NUDS 1) No wait state case R/W /NWR/ WRNRD NCS0/1/2 Din 0/15 NDSACK0/ NDTACK/ NRDY 2) Wait state case NCS0/1/2 Din0/15 NDSACK0/ NDTACK/ NRDY cycle 1 cycle 2 ts th ts th ts th tds ty ts ts th tdh tyz n Twait ty tyz th ts Stable tds tdh Stable EX386 Ready# LBA# MHDLC NRDY (pin 59) NLBA (pin 57) R |
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