MSM511000C Просмотр технического описания (PDF) - Oki Electric Industry
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производитель
MSM511000C Datasheet PDF : 15 Pages
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MSM511000C/CL
AC Characteristics (1/2)
(VCC = 5 V ±10%, Ta = 0°C to 70°C) Note 1, 2, 3
Parameter
MSM511000 MSM511000 MSM511000 MSM511000
Symbol C/CL-45 C/CL-50 C/CL-60 C/CL-70 Unit Note
Min. Max. Min. Max. Min. Max. Min. Max.
Random Read or Write Cycle Time
Read Modify Write Cycle Time
Fast Page Mode Cycle Time
tRC 90 — 100 — 120 — 130 — ns
tRWC 110 — 120 — 140 — 155 — ns
tPC 34 — 36 — 40 — 45 — ns
Fast Page Mode Read Modify Write
Cycle Time
tPRWC 54 — 56 — 60 — 70 — ns
Access Time from RAS
Access Time from CAS
tRAC — 45 — 50 — 60 — 70 ns 4, 5, 6
tCAC — 14 — 14 — 15 — 20 ns 4, 5
Access Time from Column Address
tAA — 24 — 26 — 30 — 35 ns 4, 6
Access Time from CAS Precharge
tCPA — 28 — 30 — 35 — 40 ns 4
Output Low Impedance Time from CAS tCLZ 0 — 0 — 0 — 0 — ns 4
CAS to Data Output Buffer Turn-off Delay Time tOFF 0 14 0 14 0 15 0 20 ns 7
Transition Time
tT 3 50 3 50 3 50 3 50 ns 3
Refresh Period
tREF — 8 — 8 — 8 — 8 ms
Refresh Period (L-version)
tREF — 64 — 64 — 64 — 64 ms
RAS Precharge Time
tRP 35 — 40 — 50 — 50 — ns
RAS Pulse Width
tRAS 45 10,000 50 10,000 60 10,000 70 10,000 ns
RAS Pulse Width (Fast Page Mode)
tRASP 45 100,000 50 100,000 60 100,000 70 100,000 ns
RAS Hold Time
tRSH 14 — 14 — 15 — 20 — ns
CAS Precharge Time (Fast Page Mode)
tCP 10 — 10 — 10 — 10 — ns
CAS Pulse Width
tCAS 14 10,000 14 10,000 15 10,000 20 10,000 ns
CAS Hold Time
tCSH 45 — 50 — 60 — 70 — ns
CAS to RAS Precharge Time
tCRP 5 — 5 — 5 — 5 — ns
RAS Hold Time from CAS Precharge
tRHCP 28 — 30 — 35 — 40 — ns
RAS to CAS Delay Time
tRCD 17 31 18 36 20 45 20 50 ns 5
RAS to Column Address Delay Time
tRAD 12 21 13 24 15 30 15 35 ns 6
Row Address Set-up Time
tASR 0 — 0 — 0 — 0 — ns
Row Address Hold Time
tRAH 7 — 8 — 10 — 10 — ns
Column Address Set-up Time
tASC 0 — 0 — 0 — 0 — ns
Column Address Hold Time
Column Address Hold Time from RAS
Column Address to RAS Lead Time
tCAH 12 — 13 — 15 — 15 — ns
tAR 35 — 40 — 50 — 55 — ns
tRAL 24 — 26 — 30 — 35 — ns
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