MSM5117400B-60 データシートの表示（PDF） - Oki Electric Industry
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MSM5117400B-60 Datasheet PDF : 8 Pages
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MSM5117400B
¡ Semiconductor
16M
AC Characteristics (1/2)
(VCC = 5 V ±10%, Ta = 0°C to 70°C) Note 1, 2, 3, 11, 12
Parameter
MSM5117400 MSM5117400 MSM5117400
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 90 — 110 — 130 — ns
tRWC 131 — 155 — 185 — ns
tPC 35 — 40 — 45 — ns
tPRWC 76
—
85
— 100 — 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
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 — 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)
tRASP 50 100,000 60 100,000 70 100,000 ns
RAS Hold Time
RAS Hold Time referenced to OE
tRSH 13 — 15 — 20 — ns
tROH 13 — 15 — 20 — ns
CAS Precharge Time (Fast Page Mode)
tCP
7
—
10 — 10 — ns
CAS Pulse Width
tCAS 13 10,000 15 10,000 20 10,000 ns
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
tCSH 50 — 60 — 70 — ns
tCRP
5
—
5
—
5
— ns
tRHCP 30
—
35
—
40
— ns
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
Column Address Hold Time
Column Address to RAS Lead Time
tCAH
7
—
15 — 15 — ns
tRAL 25 — 30 — 35 — ns
Read Command Set-up Time
tRCS 0
—
0
—
0
— ns
Read Command Hold Time
tRCH 0
—
0
—
0
— ns 8
Read Command Hold Time referenced to RAS tRRH 0
—
0
—
0
— ns 8
220
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