MSC23CV26457D-XXBS8 OKI electronic componets, MSC23CV26457D-XXBS8 Datasheet - Page 8

• Manufacturer Part Number: MSC23CV26457D-XXBS8
• Description: DYNAMIC RAM MODULE
• Manufacturer: OKI electronic componets

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AC Characteristics (1/2)
Random Read or Write Cycle Time
Read Modify Write Cycle Time
Fast Page Mode Cycle Time
Fast Page Mode Read Modify Write Cycle Time
Access Time from /RAS
Access Time from /CAS
Access Time from Column Address
Access Time from /CAS Precharge
Access Time from /OE
Output Low Impedance Time from /CAS
Data Output Hold After /CAS Low
/CAS to Data Output Buffer Turn-off Delay Time
/RAS to Data Output Buffer Turn-off Delay Time
/OE to Data Output Buffer Turn-off Delay Time
/WE to Data Output Buffer Turn-off Delay Time
Transition Time
Refresh Period
/RAS Precharge Time
/RAS Pulse Width
/RAS Pulse Width (Fast Page Mode with EDO)
/RAS Hold Time
/RAS Hold Time referenced to /OE
/CAS Precharge Time (Fast Page Mode with EDO)
/CAS Pulse Width
/CAS Hold Time
/CAS to /RAS Precharge Time
/RAS Hold Time from /CAS Precharge
/OE Hold Time from /CAS (DQ Disable)
/RAS to /CAS Delay Time
/RAS to Column Address Delay Time
Row Address Set-up Time
Row Address Hold Time
Column Address Set-up Time
Column Address Hold Time
Column Address to /RAS Lead Time
Semiconductor
Parameter
Symbol
t
HPRWC
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
RASP
RHCP
t
t
RWC
t
t
HPC
RAC
CAC
OEA
DOH
OEZ
WEZ
t
RAS
RSH
ROH
CAS
CSH
CRP
CHO
RCD
RAD
ASR
RAH
ASC
CAH
CPA
CLZ
CEZ
REZ
REF
RAL
RC
t
AA
RP
CP
T
Min.
110
84
20
58
30
50
50
35
30
11
25
0
5
0
0
0
0
1
7
7
7
7
5
5
9
0
7
0
7
-
-
-
-
-
-
-50
(V
100K
Max.
10K
10K
CC
50
13
25
30
13
13
13
13
13
50
32
37
25
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
= 3.3V ±0.3V, Ta = 0°C to 70°C ) Note: 1, 2, 3, 12, 13
Min.
104
135
25
68
40
60
60
10
10
10
10
40
35
14
12
10
10
30
0
5
0
0
0
0
1
5
5
0
0
-
-
-
-
-
-
-60
100K
Max.
10K
10K
60
15
30
35
15
15
15
15
15
50
32
45
30
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Min.
124
160
30
78
50
70
70
13
13
10
13
45
40
14
12
10
13
35
0
5
0
0
0
0
1
5
5
0
0
-
-
-
-
-
-
-70
100K
Max.
10K
10K
70
20
35
40
20
20
20
20
20
50
32
50
35
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Unit
ms
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
ns
ns
ns
ns
ns
ns
ns
ns
MSC23CV26457D
4, 5, 6
4, 5
4, 6
4
4
4
7, 8
7, 8
7
7
3
5
6
Note