HY57V561620H(L)T
AC CHARACTERISTICS II
-6
Parameter
Symbol
Min
Operation
RAS Cycle Time
Auto Refresh
RAS to CAS Delay
RAS Active Time
RAS Precharge Time
RAS to RAS Bank Active Delay
CAS to CAS Delay
Write Command to Data-In Delay
Data-In to Precharge Command
Data-In to Active Command
DQM to Data-Out Hi-Z
DQM to Data-In Mask
MRS to New Command
Precharge to
Data Output Hi-Z
Max
-
-
-
100K
-
-
-
-
-
-
-
-
-
-
-
-
-
64
Min
60
60
15
45
15
15
1
0
2
5
2
0
2
3
2
1
1
-
Max
-
-
-
100K
-
-
-
-
-
-
-
-
-
-
-
-
-
64
Min
65
65
20
45
20
15
1
0
2
5
2
0
2
3
2
1
1
-
Max
-
-
-
100K
-
-
-
-
-
-
-
-
-
-
-
-
-
64
Min
68
68
20
48
20
16
1
0
2
5
2
0
2
3
2
1
1
-
Max
-
-
-
100K
-
-
-
-
-
-
-
-
-
-
-
-
-
64
Min
70
70
20
50
20
20
1
0
2
5
2
0
2
3
2
1
1
-
Max
-
-
-
100K
-
-
-
-
-
-
-
-
-
-
-
-
-
64
Min
70
70
20
50
20
20
1
0
2
5
2
0
2
3
2
1
1
-
Max
-
-
-
100K
-
-
-
-
-
-
-
-
-
-
-
-
-
64
ns
ns
ns
ns
ns
ns
CLK
CLK
CLK
CLK
CLK
CLK
CLK
CLK
CLK
CLK
CLK
ms
1
-K
-H
-8
-P
-S
Unit
Note
t
RC
t
RRC
t
RCD
t
RAS
t
RP
t
RRD
t
CCD
t
WTL
t
DPL
t
DAL
t
DQZ
t
DQM
t
MRD
60
60
18
42
18
12
1
0
2
5
2
0
2
3
2
1
1
-
CAS Latency = 3
t
PROZ3
CAS Latency = 2
t
PROZ2
Power Down Exit Time
Self Refresh Exit Time
Refresh Time
t
PDE
t
SRE
t
REF
Note :
1. A new command can be given tRRC after self refresh exit
Rev. 1.3/Nov. 01
8
ETC [ ETC ]
