HY57V561620BT-8 Просмотр технического описания (PDF) - Hynix Semiconductor
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HY57V561620BT-8 Datasheet PDF : 13 Pages
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HY57V561620B(L/S)T
AC CHARACTERISTICS II
Parameter
Symbol
-6
Min Max
-7
Min Max
-K
Min Max
-H
Min Max
-8
Min Max
-P
Min Max
-S
Unit Note
Min Max
Operation
RAS Cycle Time
Auto Refresh
tRC
tRRC
60
-
60
-
60
-
65
-
68
-
70
-
70
- ns
60
-
60
-
60
-
65
-
68
-
70
-
70
- ns
RAS to CAS Delay
tRCD
18
-
18
-
15
-
20
-
20
-
20
-
20
- ns
RAS Active Time
tRAS
42 100K 42 100K 45 100K 45 100K 48 100K 50 100K 50 100K ns
RAS Precharge Time
tRP
18
-
18
-
15
-
20
-
20
-
20
-
20
- ns
RAS to RAS Bank Active Delay tRRD
12
-
14
-
15
-
15
-
16
-
20
-
20
- ns
CAS to CAS Delay
tCCD
1
-
1
-
1
-
1
-
1
-
1
-
1
- CLK
Write Command to Data-In Delay tWTL
0
-
0
-
0
-
0
-
0
-
0
-
0
- CLK
Data-In to Precharge Command tDPL
2
-
2
-
2
-
2
-
2
-
2
-
2
- CLK
Data-In to Active Command
tDAL
5
-
5
-
5
-
5
-
5
-
5
-
5
- CLK
DQM to Data-Out Hi-Z
tDQZ
2
-
2
-
2
-
2
-
2
-
2
-
2
- CLK
DQM to Data-In Mask
tDQM
0
-
0
-
0
-
0
-
0
-
0
-
0
- CLK
MRS to New Command
tMRD
2
-
2
-
2
-
2
-
2
-
2
-
2
- CLK
CAS Latency = 3 tPROZ3 3
-
3
-
3
-
3
-
3
-
3
-
3
- CLK
Precharge to
Data Output Hi-Z
CAS Latency = 2 tPROZ2 2
-
2
-
2
-
2
-
2
-
2
-
2
- CLK
Power Down Exit Time
tPDE
1
-
1
-
1
-
1
-
1
-
1
-
1
- CLK
Self Refresh Exit Time
tSRE
1
-
1
-
1
-
1
-
1
-
1
-
1
- CLK 1
Refresh Time
tREF
-
64
-
64
-
64
-
64
-
64
-
64
-
64 ms
Note :
1. A new command can be given tRRC after self refresh exit
Rev.1.4 / July 2003
9
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