MOSEL VITELIC
AC Characteristics
(Cont'd)
JEDEC
Symbol
t
WL1CL2
t
CL1WH1
t
WL1WH1
t
RL1WH1
35
Symbol
t
WCS
t
WCH
t
WP
t
WCR
Parameter
Write Command Setup Time
Write Command Hold Time
Write Pulse Width
Write Command Hold Time
from
RAS
Write Command to
RAS
Lead Time
32
33
34
35
36
t
DVWL2
t
WL1DX
t
WL1GL2
t
GH2DX
t
RL2RL2
(RMW)
37
t
RL1RH1
(RMW)
38
39
t
CL1WL2
t
RL1WL2
t
CWD
t
RWD
t
RRW
t
DS
t
DH
t
WOH
t
OED
t
RWC
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
Fast Page Mode
Read or Write Cycle Time
CAS
Precharge Time
Column Address to
RAS
Setup Time
45
t
CH2QV
t
CAP
Access Time from
Column Precharge
Data in Hold Time
Referenced to
RAS
47
t
CL1RL2
t
CSR
CAS
Setup Time
CAS-before-RAS
Refresh
RAS
to
CAS
Precharge Time
CAS
Hold Time
CAS-before-RAS
Refresh
Fast Page Mode Read-
Modify-Write Cycle Time
10
10
10
10
28
20
22
24
27
28
54
30
58
32
62
34
68
0
4
5
5
105
0
5
6
6
110
0
6
7
7
115
0
7
8
8
130
40
45
50
V53C8126H
#
27
28
29
30
Min. Max. Min. Max. Min. Max. Min. Max. Unit
0
5
5
28
0
5
5
30
0
6
6
35
0
7
7
40
ns
ns
ns
ns
Notes
12, 13
31
t
WL1RH1
t
RWL
12
12
13
14
ns
ns
ns
ns
ns
ns
14
14
14
14
70
75
80
87
ns
ns
ns
12
12
40
41
42
t
CL1CH1
t
AVWL2
t
CL2CL2
t
CRW
t
AWD
t
PC
46
35
21
48
38
23
50
41
25
52
42
28
ns
ns
ns
12
43
44
t
CH2CL2
t
AVRH1
t
CP
t
CAR
4
18
5
20
6
22
7
24
ns
ns
ns
7
46
t
RL1DX
t
DHR
30
35
40
ns
ns
48
49
t
RH2CL2
t
RL1CH1
t
RPC
t
CHR
0
8
0
8
0
10
0
12
ns
ns
50
t
CL2CL2
(RMW)
t
PCM
58
60
65
70
ns
V53C8126H Rev. 1.1 July 1997
6
MOSEL [ MOSEL VITELIC, CORP ]
