MOSEL VITELIC
AC Characteristics
(Cont’d)
30
# Symbol Parameter
29
30
t
WP
t
WCR
t
RWL
t
DS
t
DH
t
WOH
t
OED
t
RWC
t
RRW
t
CWD
t
RWD
t
CRW
t
AWD
t
PC
t
CP
t
CAR
t
CAP
t
DHR
t
CSR
t
RPC
t
CHR
t
PCM
t
COH
t
OES
t
OEH
Write Pulse Width
Write Command Hold Time
from RAS
Write Command to RAS Lead
Time
Data in Setup Time
Data in Hold Time
Write to OE Hold Time
OE to Data Delay Time
Read-Modify-Write Cycle Time
Read-Modify-Write Cycle RAS
Pulse Width
CAS to WE Delay
RAS to WE Delay in Read-
Modify-Write Cycle
CAS Pulse Width (RMW)
Col. Address to WE Delay
EDO Fast Page Mode Read or
Write Cycle Time
CAS Precharge Time
Column Address to RAS Setup
Time
Access Time from Column
Precharge
Data in Hold Time Referenced
to RAS
CAS Setup Time CAS-before-
RAS Refresh
RAS to CAS Precharge Time
CAS Hold Time CAS-before-
RAS Refresh
EDO Page Mode
Read-Modify-Write Cycle Time
Output Hold After CAS Low
OE Low to CAS High Setup
Time
OE Hold Time from WE during
Read-Modify Write Cycle
26
V53C818H
35
40
45
50
Min. Max. Min. Max. Min. Max. Min. Max. Min. Max. Unit Notes
5
26
5
28
5
30
6
35
7
40
ns
ns
31
10
11
12
13
14
ns
32
33
34
35
36
37
0
5
5
5
100
65
0
5
5
5
105
70
0
5
6
6
110
75
0
6
7
7
115
80
0
7
8
8
130
87
ns
ns
ns
ns
ns
ns
14
14
14
14
38
39
26
50
28
54
30
58
32
62
34
68
ns
ns
12
12
40
41
42
44
32
12
46
35
14
48
38
15
50
41
17
52
42
19
ns
ns
ns
12
43
44
3
16
4
18
5
20
6
22
7
24
ns
ns
45
19
21
23
25
27
ns
7
46
28
30
35
40
ns
47
10
10
10
10
10
ns
48
49
0
7
0
8
0
8
0
10
0
12
ns
ns
50
56
58
60
65
70
ns
51
52
5
5
5
5
5
5
5
5
5
5
ns
ns
53
10
10
10
10
10
ns
V53C818H Rev. 1.2 May 1997
6
MOSEL [ MOSEL VITELIC, CORP ]
