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AM85C30-8PC датащи(PDF) 49 Page - Advanced Micro Devices |
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AM85C30-8PC датащи(HTML) 49 Page - Advanced Micro Devices |
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49 / 68 page ![]() AMD 49 Am85C30 1 TwPCI PCLK Low Width 50 1000 40 1000 26 1000 ns 2 TwPCh PCLK High Width 50 1000 40 1000 26 1000 ns 3 TfPC PCLK Fall Time 15 12 8 ns 4 TrPC PCLK Rise Time 15 12 8 ns 5 TcPC PCLK Cycle Time 122 2000 100 2000 61 2000 ns 6 TsA(WR) Address to WR ↓ Setup Time 70 50 35 ns 7 ThA(WR) Address to WR ↑ Hold Time 0 0 0 ns 8 TsA(RD) Address to RD ↓ Setup Time 70 50 35 ns 9 ThA(RD) Address to RD ↑ Hold Time 0 0 0 ns 10 TsIA(PC) I NTACK to PCLK ↑ Setup Time 20 20 15 ns 11 TsIA(WR) INTACK to WR ↓ Setup Time 145 120 70 ns (Note 1) 12 ThIA(WR) INTACK to WR ↑ Hold Time 0 0 0 ns 13 TsIA(RD) INTACK to RD ↓ Setup Time 145 120 70 ns (Note 1) 14 ThIAi(RD) INTACK to RD ↑ Hold Time 0 0 0 ns 15 ThIA(PC) INTACK to PCLK ↑ Hold Time 40 30 15 ns 16 TsCEI(WR) CE Low to WR ↓ Setup Time 0 0 0 ns 17 ThCE(WR) CE to WR ↑ Hold Time 0 0 0 ns 18 TsCEh(WR) CE High to WR ↓ Setup Time 60 50 30 ns 19 TsCEI(RD) CE Low to RD ↓ Setup Time 0 0 0 ns (Note 1) 20 ThCE(RD) CE to RD ↑ Hold Time (Note1) 0 0 0 ns 21 TsCEh(RD) CE High to RD ↓ Setup Time 60 50 30 ns (Note 1) 22 TwRDI RD Low Width (Note 1) 150 125 75 ns 23 TdRD(DRA) RD ↓ to Read Data Active Delay 0 0 0 ns 24 TdRDr(DR) RD ↑ to Read Data Not Valid Delay 0 0 0 ns 25 TdRDf(DR) RD ↓ to Read Data Valid Delay 140 125 70 ns 26 TdRD(DRz) RD ↑ to Read Data Float Delay 40 35 20 ns (Note 2) Notes: 1. Parameter does not apply to Interrupt Acknowledge transactions. 2. Float delay is defined as the time at which the data bus is released from its drive state with a maximum DC load and minimum AC load. No. Parameter Symbol Parameter Description 10 MHz 16.384 MHz Min Max Min Max Unit 8.192 MHz Min Max SWITCHING CHARACTERISTICS over MILITARY/INDUSTRIAL operating range (continued) Read and Write Timing (see Figure 21) |
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