MSM5416258A 查看數據表（PDF） - Oki Electric Industry
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MSM5416258A Datasheet PDF : 22 Pages
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MSM5416258A
AC Characteristics (1/2)
Parameter
Symbol
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 OE
Access Time from CAS Precharge
Output Low Impedance Time from CAS
Data Hold After CAS Low
Output Buffer Turn-off Delay Time
Output Buffer Turn-off
Delay Time from OE
Output Buffer Turn-off
Delay Time from RAS
Output Buffer Turn-off
Delay Time from WE
Transition Time
Refresh Period
RAS Precharge Time
RAS Pulse Width
RAS Pulse Width (Fast Page Mode)
RAS Hold Time
RAS Hold Time Reference to OE
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
tRC
tRWC
tHPC
tPRWC
tRAC
tCAC
tAA
tOEA
tCPA
tCLZ
tCOH
tOFF
tOEZ
tREZ
tWEZ
tT
tREF
tRP
tRAS
tRASP
tRSH
tROH
tCP
tCAS
tCSH
tCRP
tRHCP
tRCD
tRAD
tASR
tRAH
tASC
tCAH
tAR
tRAL
MSM5416258A
-40
Min.
Max.
80
—
115
—
15
—
55
—
—
40
—
10
—
22
—
10
—
22
0
—
3
—
3
8
(VCC = 5.0 V ±0.5 V, Ta = 0°C to 70°C)
MSM5416258A
-45
Unit Note
Min.
Max.
90
—
ns
130
—
ns
20
—
ns
60
—
ns
—
45
ns 7, 12, 13
—
12
ns 7, 12
—
24
ns 7, 13
—
12
ns
—
24
ns 7, 12
0
—
ns
3
—
ns 17
3
8
ns 8
3
8
3
8
ns 8
1.5
8
1.5
8
ns 8
3
8
3
8
ns 8
2
35
2
35
ns
—
8
—
8
ms
30
—
35
—
ns
40
10,000
45
10,000 ns
40
100,000
45
100,000 ns
8
—
10
—
ns
8
—
8
—
ns
5
—
6
—
ns
6
10,000
7
10,000 ns
35
—
35
—
ns
5
—
5
—
ns
22
—
24
—
ns
18
30
18
30
ns 12
13
18
13
18
ns 13
0
—
0
—
ns
8
—
8
—
ns
0
—
0
—
ns
6
—
6
—
ns
30
—
30
—
ns
22
—
24
—
ns
6/21
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