MOSEL VITELIC
AC Characteristics(5,6)
TA = 0 to 70 ˚C,VCC = 3.3 V ± 0.3V, tT = 2 ns
# Symbol
Parameter
Write Cycle
31 tWCH
Write command hold time
32 tWP
Write command pulse width
33 tWCS
Write command setup time
34 tRWL
Write command to RAS lead time
35 tCWL
Write command to CAS lead time
36 tDS
Data setup time
37 tDH
Data hold time
Read-modify-Write Cycle
38 tRWC
Read-write cycle time
39 tRWD
RAS to WE delay time
40 tCWD
CAS to WE delay time
41 tAWD
Column address to WE delay time
42 tOEH
OE command hold time
EDO Page Mode Cycle
43 tPC
EDO page mode cycle time
44 tCP
CAS precharge time
45 tCPA
Access time from CAS precharge
46 tCOH
Output data hold time
47 tRAS
RAS pulse width in EDO mode
48 tRHPC
CAS precharge to RAS Delay
tDES
OE setup time prior to CAS
EDO Page Mode Read-modify-Write Cycle
49 tPRWC
EDO page mode read-write cycle time
50 tCPWD
CAS precharge to WE
CAS-before-RAS Refresh Cycle
51 tCSR
52 tCHR
53 tRPC
54 tWRP
55 tWRH
CAS setup time
CAS hold time
RAS to CAS precharge time
Write to RAS precharge time
Write hold time referenced to RAS
V53C316405A
-50
min. max.
-60
min. max. Unit Note
8
–
10
–
ns
8
–
10
–
ns
0
–
0
–
ns 15
13
–
15
–
ns
13
–
15
–
ns
0
–
0
–
ns 16
8
–
10
–
ns 16
113
–
138
–
ns
64
–
77
–
ns 15
27
–
32
–
ns 15
39
–
47
–
ns 15
10
–
13
–
ns
20
–
25
–
ns
8
–
10
–
ns
–
27
–
32
ns
7
5
–
5
–
ns
50
200k
60
200k ns
27
–
32
–
ns
5
5
ns
58
–
68
–
ns
41
–
49
–
ns
10
–
10
–
ns
10
–
10
–
ns
5
–
5
–
ns
10
–
10
–
ns
10
–
10
–
ns
V53C316405A Rev. 1.2 March 1998
6