參數(shù)資料
型號(hào): ICS853310AV
元件分類: 時(shí)鐘及定時(shí)
英文描述: 853310 SERIES, LOW SKEW CLOCK DRIVER, 8 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQCC28
封裝: 11.60 X 11.40 MM, 4.10 MM HEIGHT, PLASTIC, MS-018, LCC-28
文件頁(yè)數(shù): 14/16頁(yè)
文件大小: 209K
代理商: ICS853310AV
853310AV
www.icst.com/products/hiperclocks.html
REV. A NOVEMBER 22, 2005
7
Integrated
Circuit
Systems, Inc.
ICS853310
LOW SKEW, 1-TO-8
DIFFERENTIAL-TO-3.3V LVPECL/ECL FANOUT BUFFER
LVPECL 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 2A to 2F show inter-
face examples for the HiPerClockS PCLK/nPCLK input
driven by the most common driver types. The input inter-
faces suggested here are examples only. If the driver is
from another vendor, use their termination recommenda-
tion. Please consult with the vendor of the driver compo-
nent to confirm the driver termination requirements.
FIGURE 2A. HIPERCLOCKS PCLK/nPCLK INPUT DRIVEN
BY AN
OPEN COLLECTOR CML DRIVER
FIGURE 2B. HIPERCLOCKS PCLK/nPCLK INPUT DRIVEN
BY A
BUILT-IN PULLUP CML DRIVER
FIGURE 2C. HIPERCLOCKS PCLK/nPCLK INPUT DRIVEN
BY A
3.3V LVPECL DRIVER
FIGURE 2F.
HIPERCLOCKS PCLK/nPCLK INPUT DRIVEN
BY A
3.3V LVDS DRIVER
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
FIGURE 2E. HIPERCLOCKS PCLK/nPCLK INPUT DRIVEN
BY AN
SSTL DRIVER
HiPerClockS
PCLK
nPCLK
PCLK/nPCLK
3.3V
R2
50
R1
50
3.3V
Zo = 50 Ohm
CML
3.3V
Zo = 50 Ohm
3.3V
HiPerClockS
PCLK
nPCLK
R2
84
R3
125
Input
Zo = 50 Ohm
R4
125
R1
84
LVPECL
3.3V
Zo = 50 Ohm
FIGURE 2D. HIPERCLOCKS PCLK/nPCLK INPUT DRIVEN
BY A
3.3V LVPECL DRIVER WITH AC COUPLE
3.3V
CML Built-In Pullup
R1
100
PCLK
nPCLK
HiPerClockS
PCLK/nPCLK
Zo = 50 Ohm
R2
50
Zo = 50 Ohm
C1
R1
50
C2
PC L K /n PC LK
R5
100 - 200
Zo = 50 Ohm
R6
100 - 200
PCLK
nPCLK
VBB
3.3V LVPECL
3.3V
LVDS
3.3V
Zo = 50 Ohm
3.3V
PCLK
nPCLK
VBB
R2
1K
C2
R1
1K
R5
100
C1
PC L K/n PC L K
Zo = 50 Ohm
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