HY57V651620B
AC CHARACTERISTICS I
-55
Parameter
Symbol
Min
Operation
R A S Cycle Time
Auto Refresh
Max
-
Min
60
Max
-
Min
70
Max
-
Min
65
Max
-
Min
68
Max
-
Min
70
Max
-
Min
70
Max
-
Min
80
Max
-
ns
-6
-7
-75
-8
-10P
-10S
-10
Unit
Note
t
R C
t
R R C
t
R C D
t
R A S
t
R P
t
R R D
t
C C D
t
W T L
t
D P L
t
D A L
t
D Q Z
t
D Q M
t
M R D
t
P R O Z 3
t
P R O Z 2
t
P D E
t
S R E
t
R E F
55
60
-
60
-
702
-
65
-
68
-
70
-
70
-
96
-
ns
R A S to C A S Delay
16.5
-
18
-
20
-
20
-
20
-
20
-
20
-
30
-
ns
R A S Active Time
38.5
100K
42
100K
42
120K
45
100K
48
100K
50
100K
50
100K
50
100K
ns
RAS Precharge Time
16.5
-
18
-
20
-
20
-
20
-
20
-
20
-
30
-
ns
R A S to R A S Bank Active Delay
11
-
12
-
14
-
15
-
16
-
20
-
20
-
20
-
ns
C A S to C A S Delay
1
-
1
-
1
-
1
-
1
-
1
-
1
-
1
-
CLK
Write Command to Data-In Delay
0
-
0
-
0
-
0
-
0
-
0
-
0
-
0
-
CLK
Data-In to Precharge Command
2
-
2
-
1
-
2
-
2
-
1
-
1
-
1
-
CLK
Data-In to Active Command
5
-
5
-
4
-
5
-
5
-
3
-
3
-
4
-
CLK
DQM to Data-Out Hi-Z
2
-
2
-
2
-
2
-
2
-
2
-
2
-
2
-
CLK
DQM to Data-In Mask
0
-
0
-
0
-
0
-
0
-
0
-
0
-
0
-
CLK
MRS to New Command
2
-
2
-
1
-
2
-
2
-
2
-
2
-
2
-
CLK
C A S Latency = 3
Precharge to
Data Output Hi-Z
C A S Latency = 2
3
-
3
-
3
-
3
-
3
-
3
-
3
-
3
-
CLK
2
-
2
-
2
-
2
-
2
-
2
-
2
-
2
-
CLK
Power Down Exit Time
1
-
1
-
1
-
1
-
1
-
1
-
1
-
1
-
CLK
Self Refresh Exit Time
1
-
1
-
1
-
1
-
1
-
1
-
1
-
1
-
CLK
1
Refresh Time
-
64
-
64
-
64
-
64
-
64
-
64
-
64
-
64
ms
Note :
1. A new command can be given tRRC after self refresh exit
Rev. 1.9/Apr.01
8
HYNIX [ HYNIX SEMICONDUCTOR ]
