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MT12D436 Datasheet(PDF) 6 Page - Micron Technology |
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MT12D436 Datasheet(HTML) 6 Page - Micron Technology |
6 / 17 page 4, 8 Meg x 36 Parity DRAM SIMMs Micron Technology, Inc., reserves the right to change products or specifications without notice. DM45.pm5 – Rev. 3/97 „1997, Micron Technology, Inc. 6 4, 8 MEG x 36 PARITY DRAM SIMMs OBSOLETE CAPACITANCE PARAMETER SYMBOL 16MB 32MB UNITS NOTES Input Capacitance: A0-A10 CI1 70 140 pF 2 Input Capacitance: WE# CI2 94 188 pF 2 Input Capacitance: RAS0#, RAS1#, RAS2#, RAS3# CI3 50 50 pF 2 Input Capacitance: CAS0#, CAS1#, CAS2#, CAS3# CI4 25 50 pF 2 Input/Output Capacitance: DQ1-DQ8, DQ10-DQ17, DQ19-DQ26, DQ28-DQ35 CIO1 10 18 pF 2 Input/Output Capacitance: DQ9, DQ18, DQ27, DQ36 CIO2 16 28 pF 2 MAX AC ELECTRICAL CHARACTERISTICS (Notes: 5, 6, 7, 8, 9, 10, 11, 12) (VCC = +5V ±10%) AC CHARACTERISTICS -6 PARAMETER SYMBOL MIN MAX UNITS NOTES Access time from column address tAA 30 ns Column-address hold time (referenced to RAS#) tAR 45 ns Column-address setup time tASC 0 ns Row-address setup time tASR 0 ns Access time from CAS# tCAC 15 ns Column-address hold time tCAH 10 ns CAS# pulse width tCAS 15 10,000 ns CAS# hold time (CBR REFRESH) tCHR 15 ns 4 CAS# to output in Low-Z tCLZ 3 ns 21 CAS# precharge time tCP 10 ns 13 Access time from CAS# precharge tCPA 35 ns CAS# to RAS# precharge time tCRP 10 ns CAS# hold time tCSH 60 ns CAS# setup time (CBR REFRESH) tCSR 10 ns 4 Write command to CAS# lead time tCWL 15 ns Data-in hold time tDH 10 ns 18 Data-in setup time tDS 0 ns 18 Output buffer turn-off delay tOFF 3 15 ns 17, 21 FAST-PAGE-MODE READ or WRITE cycle time tPC 35 ns Access time from RAS# tRAC 60 ns RAS# to column-address delay time tRAD 15 ns 15 Row-address hold time tRAH 10 ns RAS# pulse width tRAS 60 10,000 ns RAS# pulse width (FAST PAGE MODE) tRASP 60 125,000 ns Random READ or WRITE cycle time tRC 110 ns RAS# to CAS# delay time tRCD 20 ns 14 Read command hold time (referenced to CAS#) tRCH 0 ns 16 Read command setup time tRCS 0 ns Refresh period (2,048 cycles) tREF 32 ms RAS# precharge time tRP 40 ns RAS# to CAS# precharge time tRPC 0 ns |
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