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MCM69F737 Datasheet(PDF) 10 Page - Motorola, Inc |
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MCM69F737 Datasheet(HTML) 10 Page - Motorola, Inc |
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10 / 20 page  MCM69F737 10 MOTOROLA FAST SRAM AC OPERATING CONDITIONS AND CHARACTERISTICS (VDD = 3.3 V + 10%, – 5%, TA = 0 to 70°C, Unless Otherwise Noted) Input Timing Measurement Reference Level 1.25 V . . . . . . . . . . . . . . Input Pulse Levels 0 to 2.5 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Input Rise/Fall Time 1.0 V/ns (20 to 80%) . . . . . . . . . . . . . . . . . . . . . . Output Timing Reference Level 1.25 V . . . . . . . . . . . . . . . . . . . . . . . . . Output Load See Figure 2 Unless Otherwise Noted . . . . . . . . . . . . . . READ/WRITE CYCLE TIMING (See Notes 1 and 2) P Sb l MCM69F737–7.5 117 MHz MCM69F737–8 100 MHz MCM69F737–8.5 90 MHz MCM69F737–11 50 MHz Ui N Parameter Symbol Min Max Min Max Min Max Min Max Unit Notes Cycle Time tKHKH 8.5 — 10 — 11 — 20 — ns Clock High Pulse Width tKHKL 3 — 4 — 4.5 — 4.5 — ns Clock Low Pulse Width tKLKH 3 — 4 — 4.5 — 4.5 — ns Clock Access Time tKHQV — 7.5 — 8 — 8.5 — 11 ns Output Enable to Output Valid tGLQV — 3.5 — 3.5 — 3.5 — 3.5 ns Clock High to Output Active tKHQX1 0 — 0 — 0 — 0 — ns 3, 4, 5 Clock High to Output Change tKHQX2 2 — 2 — 2 — 2 — ns 3, 4 Output Enable to Output Active tGLQX 0 — 0 — 0 — 0 — ns 3, 4 Output Disable to Q High–Z tGHQZ — 3.5 — 3.5 — 3.5 — 3.5 ns 3, 4 Clock High to Q High–Z tKHQZ 2 3.5 2 3.5 2 3.5 2 3.5 ns 3, 4, 5 Setup Times: Address ADSP, ADSC, ADV Data In Write Chip Enable tADKH tADSKH tDVKH tWVKH tEVKH 1.5 — 2 — 2 — 2 — ns Hold Times: Address ADSP, ADSC, ADV Data In Write Chip Enable tKHAX tKHADSX tKHDX tKHWX tKHEX 0.5 — 0.5 — 0.5 — 0.5 — ns NOTES: 1. Write is defined as either any SBx and SW low or SGW is low. Chip Enable is defined as SE1 low, SE2 high, and SE3 low whenever ADSP or ADSC is asserted. 2. All read and write cycle timings are referenced from K or G. 3. This parameter is sampled and not 100% tested. 4. Measured at ± 200 mV from steady state. 5. At any given voltage and temperature, tKHQZ max is less than tKHQX1 min for a given device and from device to device. OUTPUT Z0 = 50 Ω RL = 50 Ω 1.25 V Figure 2. AC Test Load |
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