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MCM6226BBXJ20R2 Datasheet(PDF) 6 Page - Motorola, Inc |
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MCM6226BBXJ20R2 Datasheet(HTML) 6 Page - Motorola, Inc |
6 / 8 page MCM6226BB 6 MOTOROLA FAST SRAM WRITE CYCLE 2 (E Controlled, See Notes 1, 2, 3, and 4) 6226BB–15 6226BB–17 6226BB–20 6226BB–25 6226BB–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 5 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 6, 7 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. E1 and E2 are represented by E in this data sheet. E2 is of opposite polarity to E1. 4. If G goes low coincident with or after W goes low, the output will remain in a high–impedance state. 5. All timings are referenced from the last valid address to the first transitioning address. 6. If E goes low coincident with or after W goes low, the output will remain in a high–impedance state. 7. 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 — MCM6226BBXJ15 MCM6226BBXJ15R2 MCM6226BBEJ15 MCM6226BBEJ15R2 MCM6226BBXJ17 MCM6226BBXJ17R2 MCM6226BBEJ17 MCM6226BBEJ17R2 MCM6226BBXJ20 MCM6226BBXJ20R2 MCM6226BBEJ20 MCM6226BBEJ20R2 MCM6226BBXJ25 MCM6226BBXJ25R2 MCM6226BBEJ25 MCM6226BBEJ25R2 MCM6226BBXJ35 MCM6226BBXJ35R2 MCM6226BBEJ35 MCM6226BBEJ35R2 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 6226BB XX XX XX |
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