MOSEL VITELIC
T
A
= 0
°
C to 70
°
C, V
CC
= 5V
±
10%, V
SS
= 0V unless otherwise noted
AC Test conditions, input pulse levels 0 to 3V
40
#
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
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
t
WP
t
WCR
t
RWL
t
DS
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
Write Pulse Width
Write Command Hold Time from RAS
Write Command to RAS Lead Time
Data in Setup Time
0
0
30
12
12
12
0
5
5
30
12
0
20
6
Min.
40
75
25
40
12
17
0
0
7
0
5
12
5
0
0
8
12
12
45
20
28
Max.
75
V53C16256SH
AC Characteristics
50
Min.
50
90
30
50
14
19
0
0
9
0
7
14
5
0
0
10
14
14
55
24
36
Max. Unit Notes
75K
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
6, 7
6, 8, 9
5
5
4
ns 6, 7, 10
21
22
23
24
25
26
27
28
29
30
31
32
0
0
40
14
14
14
0
7
7
40
14
0
26
8
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
16
16
11
12, 13
14
V53C16256SH Rev. 0.1 December 1998
5
MOSEL [ MOSEL VITELIC, CORP ]
