参数资料
型号: MSM512100L
厂商: OKI SEMICONDUCTOR CO., LTD.
英文描述: 2M×1 Dynamic RAM(2M×1动态RAM)
中文描述: 200万× 1动态RAM(2米× 1动态内存)
文件页数: 7/16页
文件大小: 235K
代理商: MSM512100L
7/16
Semiconductor
MSM512100/L
AC Characteristics (2/2)
Symbol
Parameter
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 Hold Time from
RAS
Write Command Pulse Width
OE
Command Hold Time
t
RCS
t
RCH
t
RRH
t
WCS
t
WCH
t
WCR
t
WP
t
OEH
MSM512100
/L-60
Write Command to
RAS
Lead Time
Write Command to
CAS
Lead Time
Data-in Set-up Time
Data-in Hold Time
Data-in Hold Time from
RAS
OE
to Data-in Delay Time
t
RWL
t
CWL
t
DS
t
DH
t
DHR
t
OED
CAS
to
WE
Delay Time
Column Address to
WE
Delay Time
RAS
to
WE
Delay Time
CAS
Precharge
WE
Delay Time
t
CWD
t
AWD
t
RWD
t
CPWD
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 from
RAS
(
CAS
before
RAS
)
RAS
to
WE
Set-up Time (Test Mode)
RAS
to
WE
Hold Time (Test Mode)
t
RPC
t
CSR
t
CHR
t
WRP
t
WRH
t
WTS
t
WTH
(V
CC
= 5 V ±10%, Ta = 0°C to 70°C) Note 1, 2, 3, 11, 12
MSM512100
/L-70
Unit
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
Min.
0
0
0
0
10
45
10
15
15
15
0
15
50
15
15
30
60
35
5
5
10
10
10
10
10
Max.
Min.
0
0
0
0
10
50
10
20
20
20
0
15
55
20
20
35
70
40
5
5
10
10
10
10
10
Max.
Min.
0
0
0
0
10
60
10
20
20
20
0
15
60
20
20
40
80
45
5
5
10
10
10
10
10
Max.
MSM512100
/L-80
Note
8
8
9
9
9
9
9
10
10
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