HY57V658020B 데이터 시트보기 (PDF) - Hynix Semiconductor
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HY57V658020B Datasheet PDF : 12 Pages
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HY57V658020B
AC CHARACTERISTICS II
Parameter
Symbol
-75
Min Max
-8
Min Max
-10P
Min Max
-10S
Min Max
-10
Min Max
Unit
Note
Operation
tRC
65
-
68
-
70
-
70
-
80
-
ns
RAS Cycle Time
Auto Refresh
tRRC
65
-
68
-
70
-
70
-
96
-
ns
RAS to CAS Delay
tRCD
20
-
20
-
20
-
20
-
30
-
ns
RAS Active Time
tRAS
45 100K 48 100K 50 100K 50 100K 50 100K ns
RAS Precharge Time
tRP
20
-
20
-
20
-
20
-
30
-
ns
RAS to RAS Bank Active Delay
tRRD
15
-
16
-
20
-
20
-
20
-
ns
CAS to CAS Delay
tCCD
1
-
1
-
1
-
1
-
1
-
CLK
Write Command to Data-In Delay
tWTL
0
-
0
-
0
-
0
-
0
-
CLK
Data-In to Precharge Command
tDPL
2
-
2
-
1
-
1
-
1
-
CLK
Data-In to Active Command
tDAL
5
-
5
-
3
-
3
-
4
-
CLK
DQM to Data-Out Hi-Z
tDQZ
2
-
2
-
2
-
2
-
2
-
CLK
DQM to Data-In Mask
tDQM
0
-
0
-
0
-
0
-
0
-
CLK
MRS to New Command
tMRD
2
-
2
-
2
-
2
-
2
-
CLK
CAS Latency = 3
Precharge to Data
tPROZ3
3
-
3
-
3
-
3
-
3
-
CLK
Output Hi-Z
CAS Latency = 2 tPROZ2
2
-
2
-
2
-
2
-
2
-
CLK
Power Down Exit Time
tPDE
1
-
1
-
1
-
1
-
1
-
CLK
Self Refresh Exit Time
tSRE
1
-
1
-
1
-
1
-
1
-
CLK
1
Refresh Time
tREF
-
64
-
64
-
64
-
64
-
64
ms
Note :
1. A new command can be given tRRC after self refresh exit
Rev. 1.6/Nov. 01
8
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