MSC23240D-60BS20 OKI [OKI electronic componets], MSC23240D-60BS20 Datasheet - Page 7

• Manufacturer Part Number: MSC23240D-60BS20
• Description: 2,097,152-word x 40-bit DYNAMIC RAM MODULE : FAST PAGE MODE TYPE
• Manufacturer: OKI [OKI electronic componets]

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
/CAS to Data Output Buffer Turn-off Delay Time
/OE to Data Output Buffer Turn-off Delay Time
Transition Time
Refresh Period
/RAS Precharge Time
/RAS Pulse Width
/RAS Pulse Width (Fast Page Mode)
/RAS Hold Time
/RAS Hold Time referenced to /OE
/CAS Precharge Time (Fast Page Mode)
/CAS Pulse Width
/CAS Hold Time
/CAS to /RAS Precharge Time
/RAS Hold Time from /CAS Precharge
/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 Hold Time from /RAS
Column Address to /RAS Lead Time
Semiconductor
Parameter
Symbol
t
t
t
t
PRWC
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
RASP
RHCP
RWC
t
t
t
t
ROH
t
t
RAC
CAC
OEA
OEZ
RAS
RSH
CAS
CSH
CRP
RCD
RAD
ASR
RAH
ASC
CAH
CPA
CLZ
OFF
REF
RAL
RC
PC
AA
t
RP
CP
AR
T
(V
CC
= 5V ± 10%, Ta = 0°C to +70°C ) Note: 1, 2, 3, 11, 12
-60BS20/DS20
Min.
150
110
MSC23240D
40
80
40
60
60
15
15
10
15
60
35
20
15
10
15
50
30
0
0
0
3
5
0
0
-
-
-
-
-
-
100K
Max.
10K
10K
60
15
30
35
15
15
15
50
16
45
30
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-70BS20/DS20
Min.
130
180
MSC23240D
45
95
50
70
70
20
20
10
20
70
40
20
15
10
15
55
35
0
0
0
3
5
0
0
-
-
-
-
-
-
100K
Max.
10K
10K
70
20
35
40
20
20
20
50
16
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
MSC23240D
4, 5, 6
4, 5
4, 6
4
4
4
7
7
3
5
6
Note