HYS64V32220GU-8 Ver la hoja de datos (PDF) - Infineon Technologies
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HYS64V32220GU-8 Datasheet PDF : 17 Pages
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HYS 64(72)V16200/3222(0)0/64220GU
SDRAM Modules
AC Characteristics 1, 2
TA = 0 to 70 °C; VSS = 0 V; VCC = 3.3 V ± 0.3 V, tT = 1 ns
Parameter
Symbol
Limit Values
-8
PC100-222
-8B
PC100-323
min. max. min. max.
Unit Note
Clock and Clock Enable
Clock Cycle Time
tCK
CAS Latency = 3
10
CAS Latency = 2
10
System Frequency
fCK
CAS Latency = 3
–
CAS Latency = 2
–
Clock Access Time
tAC
CAS Latency = 3
–
CAS Latency = 2
–
Clock High Pulse Width
Clock Low Pulse Width
Input Setup Time
Input Hold Time
CKE Setup Time
(Power down mode)
tCH
3
tCL
3
tCS
2
tCH
1
tCKSP
2
CKE Setup Time
(Self Refresh Exit)
tCKSR
10
Transition Time (rise and fall)
tT
1
Common Parameters
RAS to CAS Delay
Cycle Time
Active Command Period
Precharge Time
Bank to Bank Delay Time
CAS to CAS Delay Time
(same bank)
tRCD
20
tRC
70
tRAS
48
tRP
20
tRRD
16
tCCD
1
–
10
–
12
100
–
100
–
6
–
6
–
–
3
–
3
–
2
–
1
–
2
–
–
–
–
–
20
–
70
–
48
–
30
–
20
–
1
–
ns
–
ns
100
MHz
83
MHz
6
ns
3, 4
7
ns
–
ns 4
–
ns 4
–
ns 5
–
ns 5
–
ns 6
–
ns 7
–
ns
–
ns
–
ns
–
ns
–
ns
–
ns
–
CLK
Semiconductor Group
9
1998-08-01
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