PEDD514400EL-01
MSM514400E/EL
AC Characteristic (2/2)
(Vcc = 5V ± 10%, Ta = 0°C to 70°C) Note1,2,3,11,12
Parameter
Symbol
t
ASC
t
CAH
t
RAL
t
RCS
t
RCH
t
RRH
t
WCS
t
WCH
t
WP
t
OEH
t
RWL
t
CWL
t
DS
t
DH
t
OED
t
CWD
t
AWD
t
RWD
t
CPWD
t
RPC
t
CSR
t
CHR
t
WRP
t
WRH
t
WTS
t
WRH
MSM514400
E/EL-60
Min.
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
RAS
to
CAS
Set-up Time
(CAS before
RAS)
RAS
to
CAS
Hold Time
(CAS before
RAS)
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)
0
10
30
0
0
0
0
10
10
15
15
15
0
10
15
40
55
85
60
5
5
10
10
10
10
10
Max.
MSM514400
E/EL-70
Min.
0
15
35
0
0
0
0
10
10
20
20
20
0
15
20
50
65
100
70
5
5
10
10
10
10
10
Max.
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
9
9
9
9
10
10
8
8
9
unit
Note
7/14
OKI [ OKI ELECTRONIC COMPONETS ]
