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MCM6229BBXJ25R2 bảng dữ liệu(PDF) 6 Page - Motorola, Inc |
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MCM6229BBXJ25R2 bảng dữ liệu(HTML) 6 Page - Motorola, Inc |
6 / 8 page MCM6229BB 6 MOTOROLA FAST SRAM WRITE CYCLE 2 (E Controlled, See Notes 1, 2, and 3) 6229BB–15 6229BB–17 6229BB–20 6229BB–25 6229BB–35 Parameter Symbol Min Max Min Max Min Max Min Max Min Max Unit Notes Write Cycle Time tAVAV 15 — 17 — 20 — 25 — 35 — ns 4 Address Setup Time tAVEL 0 — 0 — 0 — 0 — 0 — ns Address Valid to End of Write tAVEH 12 — 14 — 15 — 17 — 20 — ns Enable to End of Write tELEH, t 12 — 14 — 15 — 17 — 20 — ns 5, 6 ELEH, tELWH Write Pulse Width tWLEH 12 — 14 — 15 — 17 — 20 — ns Data Valid to End of Write tDVEH 7 — 8 — 9 — 10 — 11 — ns Data Hold Time tEHDX 0 — 0 — 0 — 0 — 0 — ns Write Recovery Time tEHAX 0 — 0 — 0 — 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 con- tention 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 timings are 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 state. 6. If E goes high coincident with or before W goes high, the output will remain in a high–impedance state. WRITE CYCLE 2 (E Controlled See Notes 1, 2, 3, and 4) tEHDX tDVEH tEHAX tELWH tAVEL tAVEH DATA VALID tAVAV HIGH–Z A (ADDRESS) W (WRITE ENABLE) E (CHIP ENABLE) Q (DATA OUT) D (DATA IN) tELEH tWLEH ORDERING INFORMATION (Order by Full Part Number) Motorola Memory Prefix Part Number Package (XJ = 400 mil SOJ, EJ = 300 mil SOJ) Full Part Numbers — MCM6229BBXJ15 MCM6229BBXJ15R2 MCM6229BBEJ15 MCM6229BBEJ15R2 MCM6229BBXJ17 MCM6229BBXJ17R2 MCM6229BBEJ17 MCM6229BBEJ17R2 MCM6229BBXJ20 MCM6229BBXJ20R2 MCM6229BBEJ20 MCM6229BBEJ20R2 MCM6229BBXJ25 MCM6229BBXJ25R2 MCM6229BBEJ25 MCM6229BBEJ25R2 MCM6229BBXJ35 MCM6229BBXJ35R2 MCM6229BBEJ35 MCM6229BBEJ35R2 Shipping Method (R2 = Tape and Reel, Blank = Rails) Speed (15 = 15 ns, 17 = 17 ns, 20 = 20 ns, 25 = 25 ns, 35 = 35 ns) MCM 6229BB XX XX XX |
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