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MCM69C232 Datasheet(PDF) 6 Page - Motorola, Inc |
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MCM69C232 Datasheet(HTML) 6 Page - Motorola, Inc |
6 / 20 page MCM69C232 6 MOTOROLA FAST SRAM CONTROL PORT AND MATCH PORT TIMINGS (Voltages Referenced to VSS = 0 V, Max’s are tKHKH Dependent and Listed Values are for tKHKH = 20 ns) Parameter Symbol Min Max Unit MATCH PORT TIMING Clock Cycle Time tKHKH 20 250 ns Clock High Time tKHKL 8 242 ns Clock Low Time tKLKH 8 242 ns Clock High to LHSM or LL Low tKHLL — 7 ns Clock High to LHSM or LL High tKHLH — 7 ns MQ Input Data Setup Time to Clock High tMQVKH 8 — ns Clock High to Match Data Hold Time tKHMQX 2 — ns Clock High to MQ Valid tKHMQV — 12 ns Clock High to MC High tKHMCH — 5 ns Clock High to MC Low tKHMCL — 5 ns Clock High to MS Low tKHMSL — 12 ns Clock High to MS High tKHMSH — 5 ns Clock High to VPC Low tKHVPL — 12 ns Clock High to VPC High tKHVPH — 5 ns G Low to MQ Active tGLMQX 3.8 — ns G High to MQ High–Z tGHMQZ — 4 ns LH/SM Low to LH/SM Low tSMSM 10 — cycles Figure 1. AC Test Loads OUTPUT Z0 = 50 Ω RL = 50 Ω VL = 1.5 V Figure 2. Pullup for Open Drain Outputs MCM69C232 OUTPUT PIN 3.3 V FANOUT TO LOAD DEVICES RH NOTES: 1. For IRQ, DTACK, MS, MC, and VPC, RH = 200 Ω . 2. If multiple MCM69C232s are used, RH should be placed as close to the load devices as possible. |
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