MSM51V18160D Просмотр технического описания (PDF) - Oki Electric Industry
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MSM51V18160D Datasheet PDF : 16 Pages
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MSM51V18160D/DSL
AC Characteristics (1/2)
(VCC = 3.3 V ±0.3 V, Ta = 0°C to 70°C) Note 1, 2, 3
Parameter
MSM51V18160MSM51V18160 MSM51V18160
Symbol D/DSL-50 D/DSL-60 D/DSL-70 Unit Note
Min. Max. Min. Max. Min. Max.
Random Read or Write Cycle Time
tRC 90 — 110 — 130 — ns
Read Modify Write Cycle Time
tRWC 131 — 155 — 185 — ns
Fast Page Mode Cycle Time
tPC 35 — 40 — 45 — ns
Fast Page Mode Read Modify Write
Cycle Time
tPRWC 76 — 85 — 100 — ns
Access Time from RAS
tRAC — 50 — 60 — 70 ns 4, 5, 6
Access Time from CAS
tCAC — 13 — 15 — 20 ns 4, 5
Access Time from Column Address
Access Time from CAS Precharge
tAA — 25 — 30 — 35 ns 4, 6
tCPA — 30 — 35 — 40 ns 4, 12
Access Time from OE
Output Low Impedance Time from CAS
tOEA — 13 — 15 — 20 ns 4
tCLZ
0
—
0
—
0
— ns 4
CAS to Data Output Buffer Turn-off Delay Time tOFF 0
13
0
15
0
20 ns 7
OE to Data Output Buffer Turn-off Delay Time tOEZ 0
13
0
15
0
20 ns 7
Transition Time
tT
3
50
3
50
3
50 ns 3
Refresh Period
tREF — 16 — 16 — 16 ms
Refresh Period (SL version)
RAS Precharge Time
RAS Pulse Width
RAS Pulse Width (Fast Page Mode)
RAS Hold Time
RAS Hold Time referenced to OE
CAS Precharge Time (Fast Page Mode)
CAS Pulse Width
CAS Hold Time
CAS to RAS Precharge Time
RAS Hold Time from CAS Precharge
RAS to CAS Delay Time
RAS to Column Address Delay Time
Row Address Set-up Time
tREF — 128 — 128 — 128 ms 15
tRP 30 — 40 — 50 — ns
tRAS 50 10,000 60 10,000 70 10,000 ns
tRASP 50 100,000 60 100,000 70 100,000 ns
tRSH 13 — 15 — 20 — ns
tROH 13 — 15 — 20 — ns
tCP
7
— 10 — 10 — ns 14
tCAS 13 10,000 15 10,000 20 10,000 ns
tCSH 50 — 60 — 70 — ns
tCRP
5
—
5
—
5
— ns 12
tRHCP 30 — 35 — 40 — ns 12
tRCD 17 37 20 45 20 50 ns 5
tRAD 12 25 15 30 15 35 ns 6
tASR
0
—
0
—
0
— ns
Row Address Hold Time
tRAH
7
— 10 — 10 — ns
Column Address Set-up Time
tASC
0
—
0
—
0
— ns 11
Column Address Hold Time
Column Address to RAS Lead Time
tCAH
7
— 10 — 15 — ns 11
tRAL 25 — 30 — 35 — ns
Read Command Set-up Time
tRCS
0
—
0
—
0
— ns 11
Read Command Hold Time
tRCH
0
—
0
—
0
— ns 8, 11
Read Command Hold Time referenced to RAS tRRH 0
—
0
—
0
— ns 8
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