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MSC23B236A-XXDS8 Datasheet PDF : 8 Pages
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MSC23B236A-xxBS8/DS8
¡ Semiconductor
AC Characteristics (1/2)
Parameter
Random Read or Write Cycle Time
Fast Page Mode Cycle Time
Access Time from RAS
Access Time from CAS
Access Time from Column Address
Access Time from CAS Precharge
Output Low Impedance Time from CAS
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
CAS Precharge Time
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
Symbol
tRC
tPC
tRAC
tCAC
tAA
tCPA
tCLZ
tOFF
tT
tREF
tRP
tRAS
tRASP
tRSH
tCP
tCAS
tCSH
tCRP
tRHCP
tRCD
tRAD
tASR
tRAH
tASC
tCAH
tAR
tRAL
(VCC = 5 V ±10%, Ta = 0°C to 70°C) Note 1,2,3
MSC23B236A
MSC23B236A
-60BS8/DS8
-70BS8/DS8 Unit Note
Min.
Max.
Min.
Max.
110
—
130
—
ns
40
—
45
—
ns
—
60
—
70
ns 4, 5, 6
—
15
—
20
ns 4, 5
—
30
—
35
ns 4, 6
—
35
—
40
ns 4
0
—
0
—
ns 4
0
15
0
20
ns 7
3
50
3
50
ns 3
—
16
—
16
ms
40
—
50
—
ns
60
10k
70
10k
ns
60
100k
70
100k ns
15
—
20
—
ns
10
—
10
—
ns
15
10k
20
10k
ns
60
—
70
—
ns
5
—
5
—
ns
35
—
40
—
ns
20
45
20
50
ns 5
15
30
15
35
ns 6
0
—
0
—
ns
10
—
10
—
ns
0
—
0
—
ns
15
—
15
—
ns
50
—
55
—
ns
30
—
35
—
ns
164
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