MOSEL VITELIC
V54C316162VC
AC Characteristics (1,2,3) (Continued)
TA = 0 to 70°C; VSS = 0 V; VCC = 3.3 V ± 0.3 V, tT = 1 ns
Limit Values
-5
-55
-6
-7
# Symbol Parameter
Min. Max. Min. Max. Min. Max. Min. Max. Unit
tBDL
Last data in to burst stop
Refresh Cycle
5
–
5.5
–
6
–
7
–
ns
tREF
Refresh Period (2048 cycles)
–
32
–
32
–
32
–
32
ms
tSREX Self Refresh Exit Time
2 CLK + tRC
2 CLK + tRC
6
Read Cycle
tOH
Data Out Hold Time
tHZ
CAS Latency = 3
CAS Latency = 2
2.5
–
2.5
–
2.5
–
2.5
–
ns
–
5
–
5.3
–
5.5
–
5.5
ns
–
7
–
7
–
7
–
7
tDQZ
DQM Data Out Disable Latency
2
–
2
–
2
–
2
–
CLK
tLZ
Data Out Low-Z time
–
1
–
1
–
1
–
1
ns
Write Cycle
tWR
Write Recovery Time
CAS Latency = 3
CAS Latency = 2
5
–
5.5
–
6
–
7
–
ns
10
–
10
–
10
–
10
–
ns
tDQW DQM Write Mask Latency
0
–
0
–
0
–
0
–
CLK
tRDL
Last data in to row precharge
10
–
11
–
12
–
14
–
ns
V54C316162VC Rev. 1.4 December 2001
11