PEDD514265ESL-01
MSM514265E/ESL
AC Characteristic (2/2)
(VCC = 5V ± 10%, Ta = 0°C to 70°C) Note1,2,3
MSM514265
E-60
MSM514265
E-70
Parameter
Symbol
Unit Note
Min.
0
Max.
Min.
0
Max.
t
ns
ns
ns
ns
ns
ns
12
12
Column Address Set-up Time
Column Address Hold Time
ASC
t
10
30
0
13
35
0
CAH
t
Column Address to RAS Lead Time
Read Command Set-up Time
Read Command Hold Time
RAL
t
12
9,12
9
RCS
t
0
0
RCH
t
0
0
Read Command Hold Time referenced to RAS
Write Command Set-up Time
Write Command Hold Time
RRH
t
0
0
ns 10,12
WCS
t
10
10
7
13
10
7
ns
ns
ns
ns
ns
ns
ns
ns
12
WCH
t
Write Command Pulse Width
WE Pulse Width (DQ Disable)
OE Command Hold Time
WP
t
WPE
t
10
10
10
10
10
0
13
10
10
13
13
0
OEH
t
OE Precharge Time
OEP
t
OE Command Hold Time
OCH
t
Write Command to RAS Lead Time
Write Command to CAS Lead Time
Data-in Set-up Time
RWL
t
14
CWL
t
ns 11,12
ns 11,12
ns
DS
t
10
15
35
50
80
55
5
13
20
45
60
95
65
5
Data-in Hold Time
DH
t
OE to Data-in Delay Time
OED
t
ns
ns
ns
ns
ns
ns
ns
10
10
10
10
12
12
13
CAS to WE Delay Time
CWD
t
Column Address to WE Delay Time
RAS to WE Delay Time
AWD
t
RWD
t
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)
CPWD
t
RPC
t
5
5
CSR
t
10
10
CHR
RAS Pulse Width
t
100
110
− 40
100
130
− 50
16
16
16
µs
ns
ns
RASS
(CAS before RAS Self-Refresh)
RAS Precharge Time
t
RPS
(CAS before RAS Self-Refresh)
CAS Hold Time
t
CHS
(CAS before RAS Self-Refresh)
OKI [ OKI ELECTRONIC COMPONETS ]
