MO SEL VITELIC
V53C16258H
AC Characteristics (Cont’d)
25
(100 MHz)
30
35
40
45
50
#
Symbol Parameter
Min. Max. Min. Max. Min. Max. Min. Max. Min. Max. Min. Max. Unit Notes
29
30
t
t
Write Pulse Width
4
5
5
5
6
7
ns
ns
WP
Write Command Hold Time from 19
RAS
23
25
30
35
40
WCR
31
t
Write Command to RAS Lead
Time
7
9
10
10
13
14
ns
RWL
32
33
34
35
36
37
t
t
t
t
t
t
Data in Setup Time
0
4
0
5
0
5
0
5
0
6
0
7
ns
ns
ns
ns
ns
ns
14
14
14
14
DS
Data in Hold Time
DH
Write to OE Hold Time
OE to Data Delay Time
Read-Modify-Write Cycle Time
5
5
5
6
7
8
WOH
OED
RWC
RRW
5
5
5
6
7
8
67
46
79
53
90
59
95
64
115
80
130
87
Read-Modify-Write Cycle RAS
Pulse Width
38
39
t
t
CAS to WE Delay
19
36
21
41
23
46
25
51
32
62
34
68
ns
ns
12
12
CWD
RWD
RAS to WE Delay in Read-
Modify-Write Cycle
40
41
42
t
t
t
CAS Pulse Width (RMW)
Col. Address to WE Delay
27
24
10
31
27
12
34
29
14
38
31
15
50
41
17
52
42
19
ns
ns
ns
CRW
AWD
PC
12
EDO Fast Page Mode Read or
Write Cycle Time
43
44
t
t
CAS Precharge Time
3
3
4
5
6
7
ns
ns
CP
Column Address to RAS Setup
Time
13
16
18
20
22
24
CAR
45
46
47
t
t
t
Access Time from Column
Precharge
15
18
20
22
25
27
ns
ns
ns
7
CAP
DHR
CSR
Data in Hold Time Referenced
to RAS
19
5
23
7
25
8
30
10
35
10
40
10
CAS Setup Time CAS-before-
RAS Refresh
48
49
t
t
RAS to CAS Precharge Time
0
6
0
7
0
8
0
8
0
0
ns
ns
RPC
CAS Hold Time CAS-before-
RAS Refresh
10
10
CHR
50
t
EDO Page Mode
35
40
43
47
65
70
ns
PCM
Read-Modify-Write Cycle Time
51
52
t
t
Output Hold After CAS Low
4
3
5
3
5
3
5
3
5
5
5
5
ns
ns
COH
OE Low to CAS High Setup
Time
OES
53
t
OE Hold Time from WE during
Read-Modify Write Cycle
5
5
5
5
10
10
ns
OEH
V53C16258H Rev. 3.8 November 1999
6
MOSEL [ MOSEL VITELIC, CORP ]
