MSM5117400C-70SJ View Datasheet(PDF) - Oki Electric Industry
Part Name
Description
MFG CO.
'MSM5117400C-70SJ' PDF : 17 Pages View PDF
¡ Semiconductor
MSM5117400C
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
C-50
C-60
C-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
Access Time from CAS
tRAC — 50 — 60 — 70 ns 4, 5, 6
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
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
RAS Precharge Time
RAS Pulse Width
tREF — 32 — 32 — 32 ms
tRP 30 — 40 — 50 — ns
tRAS 50 10,000 60 10,000 70 10,000 ns
RAS Pulse Width (Fast Page Mode)
RAS Hold Time
RAS Hold Time referenced to OE
CAS Precharge Time (Fast Page Mode)
tRASP
tRSH
tROH
tCP
50 100,000 60 100,000 70 100,000 ns
13 — 15 — 20 — ns
13 — 15 — 20 — ns
7 — 10 — 10 — ns
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
tCAS 13 10,000 15 10,000 20 10,000 ns
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
Row Address Set-up Time
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
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