MSM5117405B-50SJ データシートの表示（PDF） - Oki Electric Industry
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MSM5117405B-50SJ
Oki Electric Industry
MSM5117405B-50SJ Datasheet PDF : 8 Pages
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MSM5117405B
¡ Semiconductor
AC Characteristics (1/2)
(VCC = 5 V ±10%, Ta = 0°C to 70°C) Note 1, 2, 3, 12, 13
Parameter
MSM5117405 MSM5117405 MSM5117405
Symbol B-50
B-60
B-70
Unit Note
Min. Max. Min. Max. Min. Max.
Random Read or Write Cycle Time
Read Modify Write Cycle Time
Fast Page Mode Cycle Time
Fast Page Mode Read Modify Write
Cycle Time
tRC 84 — 104 — 124 — ns
tRWC 110 — 135 — 160 — ns
tHPC 20 — 25 — 30 — ns
tHPRWC 58
—
68
—
78
— ns
Access Time from RAS
Access Time from CAS
Access Time from Column Address
Access Time from CAS Precharge
tRAC — 50 — 60 — 70 ns 4, 5, 6
tCAC — 13 — 15 — 20 ns 4, 5
tAA — 25 — 30 — 35 ns 4, 6
tCPA — 30 — 35 — 40 ns 4
Access Time from OE
tOEA — 13 — 15 — 20 ns 4
Output Low Impedance Time from CAS
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
13
0
15
0
20 ns 7, 8
RAS to Data Output Buffer Turn-off Delay Time tREZ 0
13
0
15
0
20 ns 7, 8
OE to Data Output Buffer Turn-off Delay Time tOEZ 0
13
0
15
0
20 ns 7
WE to Data Output Buffer Turn-off Delay Time tWEZ 0
13
0
15
0
20 ns 7
Transition Time
tT
1
50
1
50
1
50 ns 3
Refresh Period
tREF — 32 — 32 — 32 ms
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
tRSH 7
— 10 — 13 — ns
RAS Hold Time referenced to OE
tROH 7
— 10 — 13 — ns
CAS Precharge Time (Fast Page Mode with EDO) tCP 7
— 10 — 10 — ns
CAS Pulse Width
tCAS 7 10,000 10 10,000 13 10,000 ns
CAS Hold Time
tCSH 35 — 40 — 45 — ns
CAS to RAS Precharge Time
tCRP 5
—
5
—
5
— ns
RAS Hold Time from CAS Precharge
tRHCP 30 — 35 — 40 — ns
OE Hold Time from CAS (DQ Disable)
tCHO 5
—
5
—
5
— ns
RAS to CAS Delay Time
tRCD 11 37 14 45 14 50 ns 5
RAS to Column Address Delay Time
tRAD 9
25 12 30 12 35 ns 6
Row Address Set-up Time
tASR 0
—
0
—
0
— ns
Row Address Hold Time
tRAH 7
— 10 — 13 — ns
Column Address Set-up Time
tASC
0
—
0
—
0
— ns
Column Address Hold Time
tCAH 7
— 10 — 13 — ns
Column Address to RAS Lead Time
tRAL 25 — 30 — 35 — ns
236
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