HY57V641620HG
A C C H A R A C T E R IS T IC S I
S y m b o
l
M in
55
-5
Max
-
M in
55
-55
Max
-
M i
n
60
-6
Max
-
M i
n
62
-7
Max
-
M in
65
-K
Max
-
M i
n
65
-H
Max
-
M i
n
68
-8
Max
-
Min
70
-P
Max
-
M i
n
70
-S
Unit
Max
-
ns
Note
Parameter
Operation
R A S Cycle
Time
Auto Refresh
t
RC
t
R R C
t
R C D
60
-
60
-
60
-
62
-
65
-
65
-
68
-
70
-
70
-
ns
R A S to C A S Delay
15
-
16.5
-
18
-
20
-
15
-
20
-
20
-
20
-
20
-
ns
R A S Active Time
t
R A S
38.5
100K
38.5
100K
42
100
K
42
120K
45
120K
45
120K
48
100
K
50
120K
50
120K
ns
RAS Precharge Time
R A S to R A S Bank Active
Delay
C A S to C A S Delay
Write Command to Data-In
Delay
Data-In to Precharge
Command
t
R P
15
-
16.5
-
18
-
20
-
15
-
20
-
20
-
20
-
20
-
ns
t
R R D
10
-
11
-
12
-
14
-
15
-
15
-
16
-
20
-
20
-
ns
t
C C D
1
-
1
-
1
-
1
-
1
-
1
-
1
-
1
-
1
-
CLK
t
W T L
0
-
0
-
0
-
0
-
0
-
0
-
0
-
0
-
0
-
CLK
t
D P L
2
-
2
-
2
-
1
-
1
-
1
-
2
-
1
-
1
-
CLK
Data-In to Active Command
t
D A L
t
D Q Z
t
D Q M
t
M R D
t
P R O Z
3
5
-
5
-
5
-
4
-
4
-
4
-
5
-
3
-
3
-
CLK
DQM to Data-Out Hi-Z
2
-
2
-
2
-
2
-
2
-
2
-
2
-
2
-
2
-
CLK
DQM to Data-In Mask
0
-
0
-
0
-
0
-
0
-
0
-
0
-
0
-
0
-
CLK
MRS to New Command
2
-
2
-
2
-
1
-
1
-
1
-
2
-
1
-
1
-
CLK
Precharge to
Data Output
Hi-Z
CAS Latency
= 3
3
-
3
-
3
-
3
-
3
-
3
-
3
-
3
-
3
-
CLK
CAS Latency
= 2
t
P R O Z
2
2
-
2
-
2
-
2
-
2
-
2
-
2
-
2
-
2
-
CLK
Power Down Exit Time
t
P D E
t
S R E
t
R E F
1
-
1
-
1
-
1
-
1
-
1
-
1
-
1
-
1
-
CLK
Self Refresh Exit Time
1
-
1
-
1
-
1
-
1
-
1
-
1
-
1
-
1
-
CLK
1
Refresh Time
-
64
-
64
-
64
-
64
-
64
-
64
-
64
-
64
-
64
ms
N o te :
1. A new command can be given tRRC after self refresh exit
Rev. 0.5/Jun.01
8
HYNIX [ HYNIX SEMICONDUCTOR ]
