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參數(shù)資料
| 型號： | MSM54C865-10JS |
| 廠商： | OKI SEMICONDUCTOR CO., LTD. |
| 英文描述： | 65,536-Word X 8-Bit Multiport DRAM |
| 中文描述： | 65,536字× 8位多端口內(nèi)存 |
| 文件頁數(shù)： | 8/44頁 |
| 文件大?。?/td> | 479K |
| 代理商： | MSM54C865-10JS |
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MSM54C865
Semiconductor
8/44
Parameter
Symbol
Note
Unit
ns
ns
ns
ns
ns
10
—
10
—
10
—
25
—
—
—
25
—
—
—
25
—
—
—
5
0
5
0
5
0
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
25
25
0
0
0
5
15
5
15
30
30
—
—
—
—
25
25
0
0
0
5
15
5
15
30
30
—
—
—
—
25
25
0
0
0
5
15
5
15
25
25
—
—
—
—
t
SCC
t
SC
t
SCP
t
SCA
t
SOH
t
SDS
t
SDH
Max.
—
—
—
—
—
—
Min.
70
30
100
50
25
5
Max.
—
—
—
—
—
—
Min.
60
20
80
45
25
5
Max.
—
—
—
—
—
—
Min.
60
20
70
45
20
5
-10
-80
-70
ns
ns
30
10
30
10
30
10
8
ns
25
—
—
—
25
—
—
25
—
—
t
SEA
t
SE
t
SEP
t
SEZ
t
SZE
t
SZS
t
SWS
t
SWH
t
SWIS
t
SWIH
t
STS
t
STH
t
SQD
t
TQD
t
CQD
t
RQD
20
—
—
—
—
—
—
—
—
25
25
35
85
20
—
—
—
—
—
—
—
—
25
25
35
75
20
—
—
—
—
—
—
—
—
25
25
35
75
t
SRD
t
SDD
8
9
ns
ns
—
—
—
—
—
—
50
40
40
Access Time from SC
Serial Output Hold Time from SC
Serial Input Set-up Time
SC Pulse Width (SC High Time)
SC Precharge Time (SC Low Time)
SC Cycle Time
RAS
to Serial Input Delay Time
Serial Output Buffer Turn-off Delay from
RAS
(Pseudo Write Transfer)
SE
Pulse Width
SE
Precharge Time
Serial Output Buffer Turn-off Delay from
SE
Access Time from
SE
Serial Write Disable Hold Time
Split Transfer Set-up Time
Split Transfer Hold Time
SC-QSF Delay Time
DT
-QSF Delay Time
CAS
-QSF Delay Time
RAS
-QSF Delay Time
Serial Write Disable Set-up Time
Serial Write Enable Set-up Time
Serial Write Enable Hold Time
Serial Input to
SE
Delay Time
Serial Input to First SC Delay Time
—
—
—
—
—
—
—
—
—
—
—
25
20
20
RAS
to First SC Delay Time (Serial Input)
ns
ns
—
—
15
30
—
—
15
25
—
—
15
25
t
TSD
t
SRS
ns
50
10
40
10
40
10
t
SDZ
9
DT
to First SC Delay Time (Read Transfer)
Last SC to
RAS
Set-up Time (Serial Input)
(V
CC
= 5 V ±10%, Ta = 0°C to 70°C) Note 4, 5, 6
15
15
15
Serial Input Hold Time
t
TRP
t
TP
t
RSD
t
ASD
t
CSD
t
TSL
ns
ns
ns
ns
ns
ns
Column Address to First SC Delay Time (Read Transfer)
CAS
to First SC Delay Time (Read Transfer)
RAS
to First SC Delay Time (Read Transfer)
DT
to
RAS
Precharge Time
DT
Precharge Time
Last SC to
DT
Lead Time (Real Time Read Transfer)
AC Characteristics (3/3)
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