參數(shù)資料
型號: ICS854058AGT
元件分類: 編、解碼器及復(fù)用、解復(fù)用
英文描述: 8 LINE TO 1 LINE MULTIPLEXER, COMPLEMENTARY OUTPUT, PDSO24
封裝: 4.40 X 7.80 MM, 0.92 MM HEIGHT, MS-153, TSSOP-24
文件頁數(shù): 11/12頁
文件大小: 174K
代理商: ICS854058AGT
854058AG
www.icst.com/products/hiperclocks.html
REV. A APRIL 8, 2004
8
Integrated
Circuit
Systems, Inc.
ICS854058
8:1
DIFFERENTIAL-TO-LVDS CLOCK MULTIPLEXER
PRELIMINARY
LVPE CL CLOCK INPUT INTERFACE
The PCLK /nPCLK accepts LVPECL, CML, SSTL and other
differential signals. Both V
SWING and VOH must meet the VPP
and V
CMR input requirements.
Figures 3A to 3E 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.
FIGURE 3A. HIPERCLOCKS PCLK/nPCLK INPUT DRIVEN
BY A
CML DRIVER
FIGURE 3B. HIPERCLOCKS PCLK/nPCLK INPUT DRIVEN
BY AN
SSTL IN DRIVER
FIGURE 3C. HIPERCLOCKS PCLK/nPCLK INPUT DRIVEN
BY A
3.3V LVPECL DRIVER
FIGURE 3D. HIPERCLOCKS PCLK/nPCLK INPUT DRIVEN
BY A
3.3V LVDS DRIVER
HiPerClockS
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
120
3.3V
R3
120
Zo = 60 Ohm
R1
120
R4
120
2.5V
Zo = 50 Ohm
Input
HiPerClockS
CLK
nCLK
3.3V
R3
125
R2
84
Zo = 50 Ohm
3.3V
R4
125
LVPECL
R1
84
3.3V
FIGURE 3E. HIPERCLOCKS PCLK/nPCLK INPUT DRIVEN
BY A
3.3V LVPECL DRIVER WITH AC COUPLE
3.3V
R5
100 - 200
3.3V
HiPerClockS
PCLK
nPCLK
R1
125
PCLK/nPCLK
R2
125
R3
84
C1
C2
Zo = 50 Ohm
R4
84
Zo = 50 Ohm
R6
100 - 200
3.3V LVPECL
Zo = 50 Ohm
R1
100
3.3V
LVDS_Driv er
Zo = 50 Ohm
Receiv er
CLK
nCLK
3.3V
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