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HM5259165B датащи(PDF) 16 Page - Elpida Memory |
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HM5259165B датащи(HTML) 16 Page - Elpida Memory |
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16 / 63 page ![]() HM5259165B/HM5259805B/HM5259405B-75/A6 Data Sheet E0118H10 16 Current state CS RAS CAS WE Address Command Operation Write H × ××× DESL Continue burst to end LH H H × NOP Continue burst to end L H L H BA, CA, A10 READ/READ A Term burst and New read L H L L BA, CA, A10 WRIT/WRIT A Term burst and New write L L H H BA, RA ACTV Other bank active ILLEGAL on same bank* 3 L L H L BA, A10 PRE, PALL Term burst write and Precharge* 2 LL LH × REF, SELF ILLEGAL L L L L MODE MRS ILLEGAL Write with auto- precharge H × ××× DESL Continue burst to end and precharge LH H H × NOP Continue burst to end and precharge L H L H BA, CA, A10 READ/READ A ILLEGAL* 4 L H L L BA, CA, A10 WRIT/WRIT A ILLEGAL* 4 L L H H BA, RA ACTV Other bank active ILLEGAL on same bank* 3 L L H L BA, A10 PRE, PALL ILLEGAL* 4 LL LH × REF, SELF ILLEGAL L L L L MODE MRS ILLEGAL Refresh (auto- refresh) H × ××× DESL Enter IDLE after t RC LH H H × NOP Enter IDLE after t RC L H L H BA, CA, A10 READ/READ A ILLEGAL* 5 L H L L BA, CA, A10 WRIT/WRIT A ILLEGAL* 5 L L H H BA, RA ACTV ILLEGAL* 5 L L H L BA, A10 PRE, PALL ILLEGAL* 5 LL LH × REF, SELF ILLEGAL L L L L MODE MRS ILLEGAL Notes: 1. H: V IH. L: V IL. ×: V IH or VIL. The other combinations are inhibit. 2. An interval of t DPL is required between the final valid data input and the precharge command. 3. If t RRD is not satisfied, this operation is illegal. 4. Illegal for same bank, except for another bank. 5. Illegal for all banks. 6. NOP for same bank, except for another bank. |
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