V53C8125H45 查看數據表（PDF） - Mosel Vitelic, Corp
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V53C8125H45 Datasheet PDF : 17 Pages
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MOSEL VITELIC
V53C8125H
AC Characteristics (ContÌd)
30
35
40
45
50
# Symbol Parameter
Min. Max. Min. Max. Min. Max. Min. Max. Min. Max. Unit Notes
29 tWP
Write Pulse Width
5
5
5
6
7
ns
30 tWCR
Write Command Hold Time
26
28
30
35
40
ns
from RAS
31 tRWL
Write Command to RAS
10
11
12
13
14
ns
Lead Time
32 tDS
Data in Setup Time
0
0
0
0
0
ns 14
33 tDH
Data in Hold Time
5
5
5
6
7
ns 14
34 tWOH
Write to OE Hold Time
5
5
6
7
8
ns 14
35 tOED
OE to Data Delay Time
5
5
6
7
8
ns 14
36 tRWC
Read-Modify-Write Cycle Time 100
105
110
115
130
ns
37 tRRW
Read-Modify-Write Cycle
65
70
75
80
87
ns
RAS Pulse Width
38 tCWD
CAS to WE Delay
26
28
30
32
34
ns 12
39 tRWD
RAS to WE Delay in Read-
50
54
58
62
68
ns 12
Modify-Write Cycle
40 tCRW
CAS Pulse Width (RMW)
44
46
48
50
52
ns
41 tAWD
Col. Address to WE Delay
32
35
38
41
42
ns 12
42 tPC
Fast Page Mode Read
or Write Cycle Time
19
21
23
25
28
ns
43 tCP
CAS Precharge Time
4
4
5
6
7
ns
44 tCAR
Column Address to RAS
16
18
20
22
24
ns
Setup Time
45 tCAP
Access Time from Column
Precharge
19
21
23
25
27 ns 7
46 tDHR
Data in Hold Time Referenced 26
28
30
35
40
ns
to RAS
47 tCSR
CAS Setup Time CAS- before- 10
10
10
10
10
ns
RAS Refresh
48 tRPC
RAS to CAS Precharge Time
0
0
0
0
0
ns
49 tCHR
CAS Hold Time CAS-before-
7
8
8
10
12
ns
RAS Refresh
50 tPCM
Fast Page Mode Read-Modify- 56
58
60
65
70
ns
Write Cycle Time
51 tT
52 tREF
Transition Time (Rise and Fall) 3
Refresh Interval (512 Cycles)
50 3
8
50 3
8
50 3
8
50 3 50 ns 15
8
8 ms 17
V53C8125H Rev. 1.7 August 1998
6
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