MSM5117400D データシートの表示（PDF） - Oki Electric Industry
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MSM5117400D Datasheet PDF : 14 Pages
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AC Characteristic (2/2)
MSM5117400D
(VCC = 5V ± 10%, Ta = 0°C to 70°C) Note1,2,3
Parameter
MSM5117400
Symbol
D-50
Min. Max.
Column Address Hold Time
tCAH
7
Column Address to RAS Lead Time tRAL 25
Read Command Set-up Time
tRCS
0
Read Command Hold Time
tRCH
0
Read Command Hold Time
referenced to RAS
tRRH
0
Write Command Set-up Time
tWCS
0
Write Command Hold Time
tWCH
7
Write Command Pulse Width
tWP
7
OE Command Hold Time
tOEH
13
Write Command to RAS Lead Time tRWL 13
Write Command to CAS Lead Time tCWL 13
Data-in Set-up Time
tDS
0
Data-in Hold Time
tDH
7
OE to Data-in Delay Time
tOED
13
CAS to WE Delay Time
tCWD 36
Column Address to WE Delay Time tAWD 48
RAS to WE Delay Time
tRWD 73
CAS Precharge WE Delay Time tCPWD 53
CAS Active Delay Time from RAS
Precharge
tRPC
5
RAS to CAS Set-up Time
(CAS before RAS)
tCSR
10
RAS to CAS Hold Time
(CAS before RAS)
tCHR
10
WE to RAS Precharge Time
(CAS before RAS)
tWRP 10
WE Hold Time from RAS
(CAS before RAS)
tWRH 10
RAS to WE Set-up Time
(Test Mode)
tWTS
10
RAS to WE Hold Time
(Test Mode)
tWTH 10
MSM5117400
D-60
Min.
10
30
0
0
Max.
0
0
10
10
15
15
15
0
10
15
40
55
85
60
5
10
10
10
10
10
10
MSM5117400
D-70
Unit Note
Min. Max.
15
ns
35
ns
0
ns
0
ns 8
0
ns 8
0
ns 9
15
ns
10
ns
20
ns
20
ns
20
ns
0
ns 10
15
ns 10
20
ns
50
ns 9
65
ns 9
100
ns 9
70
ns 9
5
ns
10
ns
10
ns
10
ns
10
ns
10
ns
10
ns
7/14
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