MSM514800D-60JS 查看數據表（PDF） - Oki Electric Industry
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MSM514800D-60JS Datasheet PDF : 14 Pages
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1Semiconductor
This Version: Dec.2000
FEDD514800DSL-01
MSM514800D/DSL
AC Characteristic (1/2)
(VCC = 5V ± 10%, Ta = 0°C to 70°C) Note1,2,3
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 CAS Precharge
Access Time from OE
Output Low Impedance Time from CAS
CAS to Data Output Buffer Turn-off Delay
Time
tRC
tRWC
tPC
tPRWC
tRAC
tCAC
tAA
tCPA
tOEA
tCLZ
tOFF
OE to Data Output Buffer Turn-off Delay
Time
Transition Time
Refresh Period
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
tOEZ
tT
tREF
tREF
tRP
tRAS
tRASP
tRSH
tROH
tCP
tCAS
tCSH
tCRP
tRHCP
tRCD
tRAD
tASR
tRAH
MSM514800
D/DSL-60
Min.
110
155
40
Max.
85
60
20
30
35
20
0
0
15
0
15
3
50
16
128
40
60 10,000
60 100,000
15
15
10
20 10,000
60
10
35
20
40
15
30
0
10
MSM514800
D/DSL-70
Min.
130
185
45
Max.
100
70
20
35
40
20
0
0
20
Unit Note
ns
ns
ns
ns
ns 4,5,6
ns 4,5
ns 4,6
ns
4
ns
4
ns
4
ns
7
0
20
ns
7
3
50
ns
3
16
ms
128 ms 11
50
ns
70 10,000 ns
70 100,000 ns
20
ns
20
ns
10
ns
20 10,000 ns
70
ns
10
ns
40
ns
20
50
ns
5
15
35
ns
6
0
ns
10
ns
6/14
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