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MCM6343 bảng dữ liệu(PDF) 7 Page - Motorola, Inc |
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MCM6343 bảng dữ liệu(HTML) 7 Page - Motorola, Inc |
7 / 10 page MCM6343 7 MOTOROLA FAST SRAM WRITE CYCLE 2 (E Controlled; See Notes 1, 2, and 3) P Sb l MCM6343–12 MCM6343–15 Ui N Parameter Symbol Min Max Min Max Unit Notes Write Cycle Time tAVAV 12 — 15 — ns 4 Address Setup Time tAVEL 0 — 0 — ns Address Valid to End of Write tAVEH 10 — 12 — ns Address Valid to End of Write (G High) tAVEH 9 — 10 — ns Enable to End of Write tELEH, tELWH 10 — 12 — ns 5, 6 Enable to End of Write (G High) tELEH, tELWH 9 — 10 — ns 5, 6 Data Valid to End of Write tDVEH 6 — 7 — ns Data Hold Time tEHDX 0 — 0 — ns Write Recovery Time tEHAX 0 — 0 — ns NOTES: 1. A write occurs during the overlap of E low and W low. 2. Product sensitivities to noise require proper grounding and decoupling of power supplies as well as minimization or elimination of bus contention conditions during read and write cycles. 3. If G goes low coincident with or after W goes low, the output will remain in a high–impedance state. 4. All write cycle timing is referenced from the last valid address to the first transitioning address. 5. If E goes low coincident with or after W goes low, the output will remain in a high–impedance condition. 6. If E goes high coincident with or before W goes high, the output will remain in a high–impedance condition. tEHDX tDVEH tEHAX tELWH tELEH tAVEL tAVEH DATA VALID tAVAV HIGH–Z A (ADDRESS) W (WRITE ENABLE) E (CHIP ENABLE) Q (DATA OUT) D (DATA IN) LB, UB (BYTE ENABLE) WRITE CYCLE 2 (E Controlled; See Notes 1, 2, and 3) |
Số phần tương tự - MCM6343 |
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Mô tả tương tự - MCM6343 |
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