參數(shù)資料
型號(hào): 853054AG
英文描述: 4:1, DIFFERENTIAL-TO-3.3V OR 2.5V LVPECL/ECL CLOCK MULTIPLEXER
中文描述: 4:1,差分至3.3V或2.5V的LVPECL / ECL時(shí)鐘復(fù)用器
文件頁數(shù): 8/15頁
文件大?。?/td> 207K
代理商: 853054AG
Integrated
Circuit
Systems, Inc.
853054AG
www.icst.com/products/hiperclocks.html
REV. A JANUARY 5, 2006
8
ICS853054
4:1, D
IFFERENTIAL
-
TO
-3.3V
OR
2.5V
LVPECL/ECL C
LOCK
M
ULTIPLEXER
PRELIMINARY
LVPECL C
LOCK
I
NPUT
I
NTERFACE
The PCLK /nPCLK accepts LVPECL, CML, SSTL and other
differential signals. Both V
and V
must meet the V
PP
and V
input requirements.
Figures 2A to 2E
show inter-
face examples for the HiPerClockS PCLK/nPCLK input driven
by the most common driver types. The input interfaces sug-
gested here are examples only. If the driver is from another
vendor, use their termination recommendation. Please con-
sult with the vendor of the driver component to confirm the
driver termination requirements.
F
IGURE
2A.
H
I
P
ER
C
LOCK
S PCLK/nPCLK I
NPUT
D
RIVEN
BY
A
CML D
RIVER
F
IGURE
2B. H
I
P
ER
C
LOCK
S PCLK/nPCLK I
NPUT
D
RIVEN
BY
AN
SSTL
IN
D
RIVER
F
IGURE
2C. H
I
P
ER
C
LOCK
S PCLK/nPCLK I
NPUT
D
RIVEN
BY
A
3.3V LVPECL D
RIVER
F
IGURE
2D.
H
I
P
ER
C
LOCK
S PCLK/nPCLK I
NPUT
D
RIVEN
BY
A
3.3V LVDS D
RIVER
PCLK/nPCLK
PCLK
nPCLK
3.3V
R2
50
R1
50
3.3V
Zo = 50 Ohm
CML
3.3V
Zo = 50 Ohm
PCLK/nPCLK
2.5V
Zo = 60 Ohm
SSTL
HiPerClockS
PCLK
nPCLK
R2
3.3V
R3
120
Zo = 60 Ohm
R1
R4
120
2.5V
F
IGURE
2E. H
I
P
ER
C
LOCK
S PCLK/nPCLK I
NPUT
D
RIVEN
BY
A
3.3V LVPECL D
RIVER
WITH
AC C
OUPLE
3.3V
R5
100 - 200
3.3V
3.3V
HiPerClockS
PCLK/nPCLK
PCLK
nPCLK
R1
125
R2
125
R3
84
C1
C2
Zo = 50 Ohm
R4
84
Zo = 50 Ohm
R6
100 - 200
3.3V LVPECL
3.3V
HiPerClockS
Input
PCLK
nPCLK
R2
84
R3
125
Zo = 50 Ohm
R4
125
R1
84
LVPECL
3.3V
3.3V
Zo = 50 Ohm
C2
R2
1K
R5
100
Zo = 50 Ohm
3.3V
3.3V
C1
R3
1K
LVDS
R4
1K
HiPerClockS
PCLK/nPCLK
PCLK
nPCLK
R1
1K
Zo = 50 Ohm
3.3V
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