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