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I960 Datasheet(PDF) 44 Page - Intel Corporation |
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I960 Datasheet(HTML) 44 Page - Intel Corporation |
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44 / 70 page ![]() i960® Rx I/O Processor at 3.3 V 38 ADVANCE INFORMATION Table 22. Synchronous Input Timings Sym Parameter Min Max Units Notes TIS1 Input Setup to S_CLK — NMI#, XINT7:4#, S_INT[A:D]#/XINT3:0#, DP3:0# 6 ns (1,2) TIS1A Input Setup to S_CLK — for all accesses except Expansion ROM Accesses — AD31:0 only 6 ns (1,2) TIS1B Input Setup to S_CLK during Expansion ROM Accesses — AD31:0 only 8 ns (1,2) TIH1 Input Hold from S_CLK — AD31:0, NMI#, XINT7:4#, S_INT[A:D]#/XINT3:0#, DP3:0# 2 ns (1,2,4) TIS2 Input Setup to S_CLK — RDYRCV# and HOLD 10 ns (2) TIH2 Input Hold from S_CLK — RDYRCV# and HOLD 2 ns (2) TIS3 Input Setup to S_CLK — LOCK#/ONCE#, STEST 7 ns (1,2) TIH3 Input Hold from S_CLK — LOCK#/ONCE#, STEST 3 ns (1,2) TIS4 Input Setup to S_CLK — DREQ# 12 ns (2) TIH4 Input Hold from S_CLK — DREQ# 7 ns (2) TIS5 Input Setup to S_CLK — PCI Signals Except P_GNT#, S_REQ0#/S_GNT#, and S_REQ5:1# 7ns (2) TIH5 Input Hold from S_CLK — PCI Signals 0 ns (2,4) TIS6 Input Setup to S_CLK — P_RST# 6 ns (2,3) TIH6 Input Hold to S_CLK — P_RST# 2 ns (2,3) TIS7 Input Setup to S_CLK — P_GNT# 10 ns (2) TIS8 Input Setup to S_CLK — S_REQ0#/S_GNT# and S_REQ5:1# 12 ns (2) TIS9 Input Setup to P_RST# — WIDTH/HLTD0, WIDTH/HLTD1/RETRY, D/C#/RST_MODE# 7 ns (1,2,4) TIH9 Input Hold from P_RST# — WIDTH/HLTD0, WIDTH/HLTD1/RETRY, D/C#/RST_MODE# 3 ns (1,2,4) NOTES: 1. Setup and hold times must be met for proper processor operation. NMI#, XINT7:4#, and S_INT[A:D]#/XINT3:0# may be synchronous or asynchronous. Meeting setup and hold time guarantees recognition at a particular clock edge. For asynchronous operation, NMI#, XINT7:4#, and S_INT[A:D]#/XINT3:0# must be asserted for a minimum of two S_CLK periods to guarantee recognition. 2. See Figure 12, TIS and TIH Input Setup and Hold Waveform (pg. 46). 3. P_RST# may be synchronous or asynchronous. Meeting setup and hold time guarantees recognition at a particular clock edge. 4. Guaranteed by design. May not be 100% tested. |
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