HYS72V8000GU 查看數據表（PDF） - Siemens AG
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HYS72V8000GU Datasheet PDF : 11 Pages
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HYS64(72)V8000GU-10
8M x 64/72 SDRAM-Module
AC Characteristics 1)2)3)
TA = 0 to 70 °C; VSS = 0 V; VCC = 3.3 V ± 0.3 V, tT = 1 ns
Parameter
Symbol Limit Values Unit
-10
min
max
Clock and Clock Enable
Clock Cycle Time
CAS Latency = 3 tCK
CAS Latency = 2
Clock Frequency
CAS Latency = 3 tCK
CAS Latency = 2
Access Time from Clock
CAS Latency = 3 tAC
CAS Latency = 2
Clock High Pulse Width
tCH
Clock Low Pulse Width
tCL
Transition time
tT
Setup and Hold Times
Command Setup Time
tCS
Address Setup Time
tAS
Data In Setup Time
tDS
CKE Setup Time
tCKS
Command Hold Time
tCH
Address Hold Time
tAH
Data In Hold Time
tDH
CKE Hold Time
tCKH
Common Parameters
Row to Column Delay Time
tRCD
Row Active Time
tRAS
Row Cycle Time
tRC
Row Precharge Time
tRP
10
–
ns
15
–
ns
–
100 MHz
–
66 MHz
–
7
ns 4
–
8
ns
3
–
ns
3
–
ns
0.5
10
ns
2.5
–
ns 5
2.5
–
ns 5
2.5
–
ns 5
2.5
–
ns 5
1
–
ns 5
1
–
ns 5
1
–
ns 5
1
–
ns 5
30
–
ns 6
60
100k
ns 6
90
–
ns 6
30
–
ns 6
Semiconductor Group
7
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