MOSEL VITELIC
AC Characteristics
(5,6)
T
A
= 0 to 70 ˚C,V
CC
= 5V
±10%,
t
T
= 2 ns
-50
#
Symbol
Parameter
min.
max.
min.
-60
V53C516400A
max.
Unit
Note
Write Cycle
31
32
33
34
35
36
37
t
WCH
t
WP
t
WCS
t
RWL
t
CWL
t
DS
t
DH
Write command hold time
Write command pulse width
Write command setup time
Write command to RAS lead time
Write command to CAS lead time
Data setup time
Data hold time
8
8
0
13
13
0
8
–
–
–
–
–
–
–
10
10
0
15
15
0
10
–
–
–
–
–
–
–
ns
ns
ns
ns
ns
ns
ns
16
16
15
Read-modify-Write Cycle
38
39
40
41
42
t
RWC
t
RWD
t
CWD
t
AWD
t
OEH
Read-write cycle time
RAS to WE delay time
CAS to WE delay time
Column address to WE delay time
OE command hold time
126
68
31
43
13
–
–
–
–
–
150
80
35
50
15
–
–
–
–
–
ns
ns
ns
ns
ns
15
15
15
Fast Page Mode Cycle
43
44
45
46
47
t
PC
t
CP
t
CPA
t
RASP
t
RHPC
Fast Page mode cycle time
CAS precharge time
Access time from CAS precharge
RAS pulse width in Fast mode
CAS precharge to RAS Delay
35
10
–
50
30
–
–
30
200k
–
40
10
–
60
35
–
–
35
200k
–
ns
ns
ns
ns
ns
7
Fast Page Mode Read-modify-Write Cycle
48
49
t
PRWC
t
CPWD
Fast Page mode read-write cycle time
CAS precharge to WE
71
48
–
–
80
55
–
–
ns
ns
CAS-before-RAS Refresh Cycle
50
51
52
53
54
t
CSR
t
CHR
t
RPC
t
WRP
t
WRH
CAS setup time
CAS hold time
RAS to CAS precharge time
Write to RAS precharge time
Write hold time referenced to RAS
10
10
5
10
10
–
–
–
–
–
10
10
5
10
10
–
–
–
–
–
ns
ns
ns
ns
ns
CAS-before-RAS Counter Test Cycle
55
t
CPT
CAS precharge time
35
–
40
–
ns
V53C516400A Rev. 1.1 March 1998
6
MOSEL [ MOSEL VITELIC, CORP ]
