HYS72V8220GU View Datasheet(PDF) - Siemens AG
Part Name
Description
Manufacturer
HYS72V8220GU Datasheet PDF : 15 Pages
| |||
HYS64(72)V4200/8220GU
SDRAM-Modules
AC Characteristics 3)4)
TA = 0 to 70 °C; VSS = 0 V; VCC = 3.3 V ± 0.3 V, tT = 1 ns
Parameter
Symbol
Limit Values
Unit Note
-8
-8B
PC100-222 PC100-323
-10
PC66
min. max. min. max. min. max.
Clock and Clock Enable
Clock Cycle Time
tCK
CAS Latency = 3
CAS Latency = 2
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
tCL
tCS
tCH
tCKSP
CKE Setup Time
(Self Refresh Exit)
tCKSR
Transition time (rise and fall)
tT
10 – 10 – 10 – ns
10 – 12 – 15 – ns
– 100 – 100 – 100 MHz
– 100 – 83 – 66 MHz
–
6
–
6
–
8 ns 4,5)
–
6
–
7
–
9 ns
3
–
3
– 3.5 – ns 6)
3
–
3
– 3.5 – ns 6)
2
–
2
–
3
– ns 7)
1
–
1
–
1
– ns 7)
2.5 – 2.5 –
3
– ns 8)
8
– 10 –
8
– ns 9)
1
–
1
–
1
– ns
Common Parameters
RAS to CAS delay
tRCD
Precharge Time
tRP
Active Command Period
tRAS
Cycle Time
tRC
Bank to Bank Delay Time
tRRD
CAS to CAS delay time (same tCCD
bank)
20 – 20 – 30 – ns
20 – 30 – 30 – ns
50 100k 60 100k 70 100k ns
70 – 80 – 80 – ns
16 – 20 – 20 – ns
1
–
1
–
1
– CLK
Semiconductor Group
8
Share Link: 