MOSEL VITELIC
T
A
= 0°C to 70°C, V
CC
= 5 V
±
10%, V
SS
= 0V unless otherwise noted
AC Test conditions, input pulse levels 0 to 3V
25
(100 MHz)
#
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Symbol
t
RAS
t
RC
t
RP
t
CSH
t
CAS
t
RCD
t
RCS
t
ASR
t
RAH
t
ASC
t
CAH
t
RSH (R)
t
CRP
t
RCH
t
RRH
t
ROH
t
OAC
t
CAC
t
RAC
t
CAA
t
LZ
t
HZ
t
AR
t
RAD
t
RSH (W)
t
CWL
t
WCS
t
WCH
Parameter
RAS Pulse Width
Read or Write Cycle Time
RAS Precharge Time
CAS Hold Time
CAS Pulse Width
RAS to CAS Delay
Read Command Setup Time
Row Address Setup Time
Row Address Hold Time
Column Address Setup Time
Column Address Hold Time
RAS Hold Time (Read Cycle)
CAS to RAS Precharge Time
Read Command Hold Time
Referenced to CAS
Read Command Hold Time
Referenced to RAS
RAS Hold Time Referenced
to OE
Access Time from OE
Access Time from CAS
Access Time from RAS
Access Time from Column
Address
OE or CAS to Low-Z Output
OE or CAS to High-Z Output
Column Address Hold Time
from RAS
RAS to Column Address
Delay Time
RAS or CAS Hold Time in
Write Cycle
Write Command to CAS
Lead Time
Write Command Setup Time
Write Command Hold Time
0
0
19
5
30
35
40
45
V53C16258H
AC Characteristics
50
Min. Max. Min. Max. Min. Max. Min. Max. Min. Max. Min. Max. Unit Notes
25
45
15
25
4
10
0
0
4
0
4
7
5
0
17
75K
30
60
20
30
5
12
0
0
5
0
5
9
5
0
20
75K
35
70
25
35
6
13
0
0
6
0
5
10
5
0
24
75K
40
75
25
40
7
15
0
0
7
0
5
10
5
0
28
75K
45
80
25
45
8
18
0
0
8
0
6
10
5
0
32
75K
50
90
30
50
9
19
0
0
9
0
7
10
5
0
36
75K
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
5
4
15
0
0
0
0
0
0
ns
5
16
4
6
7
8
9
10
ns
17
18
19
20
8
8
25
13
10
10
30
16
11
11
35
18
12
12
40
20
13
13
45
22
14
14
50
24
ns
12
ns 6, 7, 14
ns
6, 8, 9
ns 6, 7, 10
21
22
23
0
0
23
5
0
0
25
6
0
0
30
6
0
0
35
7
0
0
40
8
ns
ns
ns
16
16
24
8
13
9
14
10
17
12
20
13
23
14
26
ns
11
25
7
9
10
10
10
10
ns
26
5
7
8
10
13
14
ns
27
28
0
4
0
5
0
5
0
5
0
6
0
7
ns
ns
12, 13
V53C16258H Rev. 3.8 November 1999
5
MOSEL [ MOSEL VITELIC, CORP ]
