MSM514400E データシートの表示（PDF） - Oki Electric Industry
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MSM514400E Datasheet PDF : 14 Pages
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PEDD514400EL-01
MSM514400E/EL
AC Characteristic (2/2)
Parameter
Symbol
Column Address Set-up Time
Column Address Hold Time
Column Address to RAS Lead Time
Read Command Set-up Time
Read Command Hold Time
Read Command Hold Time referenced
to RAS
Write Command Set-up Time
Write Command Hold Time
Write Command Pulse Width
OE Command Hold Time
Write Command to RAS Lead Time
Write Command to CAS Lead Time
Data-in Set-up Time
Data-in Hold Time
OE to Data-in Delay Time
CAS to WE Delay Time
Column Address to WE Delay Time
RAS to WE Delay Time
CAS Precharge WE Delay Time
CAS Active Delay Time from RAS
Precharge
tASC
tCAH
tRAL
tRCS
tRCH
tRRH
tWCS
tWCH
tWP
tOEH
tRWL
tCWL
tDS
tDH
tOED
tCWD
tAWD
tRWD
tCPWD
tRPC
RAS to CAS Set-up Time
(CAS before RAS)
tCSR
RAS to CAS Hold Time
(CAS before RAS)
tCHR
WE to RAS Precharge time
(CAS before RAS)
WE Hold Time (CAS before RAS)
WE Set-up Time (Test mode)
WE Hold Time (Test mode)
tWRP
tWRH
tWTS
tWRH
(Vcc = 5V ± 10%, Ta = 0°C to 70°C) Note1,2,3,11,12
MSM514400
E/EL-60
Min. Max.
MSM514400
E/EL-70
Min. Max.
unit Note
0
0
ns
10
15
ns
30
35
ns
0
0
ns
0
0
ns
8
0
0
ns
8
0
0
ns
9
10
10
ns
10
10
ns
15
20
ns
15
20
ns
15
20
ns
0
0
ns
10
10
15
ns
10
15
20
ns
40
50
ns
9
55
65
ns
9
85
100
ns
9
60
70
ns
9
5
5
ns
5
5
ns
10
10
ns
10
10
ns
10
10
ns
10
10
ns
10
10
ns
7/14
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