MSM514265CSL-50TS-K 查看數據表（PDF） - Oki Electric Industry
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MSM514265CSL-50TS-K
Oki Electric Industry
MSM514265CSL-50TS-K Datasheet PDF : 17 Pages
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¡ Semiconductor
MSM514265C/CSL
AC Characteristics (1/2)
(VCC = 5 V ±10%, Ta = 0°C to 70°C) Note 1, 2, 3
Parameter
MSM514265 MSM514265 MSM514265
Symbol C/CSL-50 C/CSL-60 C/CSL-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 130 — 150 — 180 — ns
Fast Page Mode Cycle Time
tHPC 20 — 25 — 30 — ns
Fast Page Mode Read Modify Write
Cycle Time
tHPRWC 75
—
80
—
95
— ns
Access Time from RAS
Access Time from CAS
tRAC — 50 — 60 — 70 ns 4, 5, 6
tCAC — 15 — 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, 13
Access Time from OE
Output Low Impedance Time from CAS
tOEA — 15 — 15 — 20 ns 4
tCLZ
0
—
0
—
0
— ns 4
Data Output Hold After CAS Low
tDOH
5
—
5
—
5
— ns
CAS to Data Output Buffer Turn-off Delay Time tCEZ 0
15
0
15
0
20 ns 7, 8
RAS to Data Output Buffer Turn-off Delay Time tREZ 0
15
0
15
0
20 ns 7, 8
OE to Data Output Buffer Turn-off Delay Time tOEZ 0
15
0
15
0
20 ns 7
WE to Data Output Buffer Turn-off Delay Time tWEZ 0
15
0
15
0
20 ns 7
Transition Time
tT
1
50
1
50
1
50 ns 3
Refresh Period
tREF —
8
—
8
—
8 ms
Refresh Period (SL version)
tREF — 128 — 128 — 128 ms 16
RAS Precharge Time
tRP 30 — 40 — 50 — ns
RAS Pulse Width
tRAS 50 10,000 60 10,000 70 10,000 ns
RAS Pulse Width (Fast Page Mode with EDO) tRASP 50 100,000 60 100,000 70 100,000 ns
RAS Hold Time
RAS Hold Time referenced to OE
tRSH 15 — 15 — 20 — ns
tROH 10 — 15 — 20 — ns
CAS Precharge Time (Fast Page Mode with EDO) tCP
7
— 10 — 10 — ns 15
CAS Pulse Width
tCAS 7 10,000 10 10,000 10 10,000 ns
CAS Hold Time
CAS to RAS Precharge Time
RAS Hold Time from CAS Precharge
OE Hold Time from CAS (DQ Disable)
RAS to CAS Delay Time
RAS to Column Address Delay Time
RAS to Second CAS Delay Time
tCSH 50 — 60 — 70 — ns
tCRP 10 — 10 — 10 — ns 13
tRHCP 30 — 35 — 40 — ns 13
tCHO
5
—
5
— 10 — ns
tRCD 18 35 20 45 20 50 ns 5
tRAD 13 25 15 30 15 35 ns 6
tRSCD 50 — 60 — 70 — ns
Row Address Set-up Time
tASR
0
—
0
—
0
— ns
Row Address Hold Time
tRAH
8
— 10 — 10 — ns
Column Address Set-up Time
tASC
0
—
0
—
0
— ns 12
Column Address Hold Time
Column Address Hold Time from RAS
Column Address to RAS Lead Time
tCAH 10 — 10 — 15 — ns 12
tAR 40 — 50 — 55 — ns
tRAL 25 — 30 — 35 — ns
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