參數(shù)資料
型號: ICS8546AG-01
元件分類: 時鐘產(chǎn)生/分配
英文描述: 266 MHz, OTHER CLOCK GENERATOR, PDSO24
封裝: 4.40 X 7.80 MM, 0.92 MM HEIGHT, TSSOP-24
文件頁數(shù): 2/13頁
文件大小: 622K
代理商: ICS8546AG-01
8546AG-01
www.icst.com/products/hiperclocks.html
REV. A AUGUST 24, 2005
10
Integrated
Circuit
Systems, Inc.
ICS8546-01
LOW SKEW, 1-TO-6, CRYSTAL OSCILLATOR-TO-
LVDS FANOUT BUFFER
PRELIMINARY
3.3V, 2.5V LVDS DRIVER TERMINATION
A general LVDS interface is shown in Figure 4. In a 100
Ω
differential transmission line environment, LVDS drivers
require a matched load termination of 100
Ω across near
FIGURE 4. TYPICAL LVDS DRIVER TERMINATION
the receiver input. For a multiple LVDS outputs buffer, if only
partial outputs are used, it is recommended to terminate the
un-used outputs.
R1
100
3.3V or 2.5V
100
Ω Differential Transmission
VDD
+
-
LVDS
INPUTS:
CRYSTAL INPUT:
For applications not requiring the use of the crystal oscillator
input, both XTAL_IN and XTAL_OUT can be left floating.
Though not required, but for additional protection, a 1k
Ω
resistor can be tied from XTAL_IN to ground.
CLK INPUT:
For applications not requiring the use of the test clock, it can
be left floating. Though not required, but for additional
protection, a 1k
Ω resistor can be tied from the CLK input to
ground.
CLK/nCLK INPUT:
For applications not requiring the use of the differential input,
both CLK and nCLK can be left floating. Though not required,
but for additional protection, a 1k
Ω resistor can be tied from
CLK to ground.
LVCMOS CONTROL PINS:
All control pins have internal pull-ups or pull-downs; additional
resistance is not required but can be added for additional
protection. A 1k
Ω resistor can be used.
RECOMMENDATIONS FOR UNUSED INPUT AND OUTPUT PINS
OUTPUTS:
LVDS OUTPUT
All unused LVDS outputs can be left floating. We recommend
that there is no trace attached. Both sides of the differential
output pair should either be left floating or terminated.
相關(guān)PDF資料
PDF描述
ICS8546AG-01LF 266 MHz, OTHER CLOCK GENERATOR, PDSO24
ICS8547AYT LOW SKEW CLOCK DRIVER, 2 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP48
ICS8547AY LOW SKEW CLOCK DRIVER, 2 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP48
ICS8547AYLF LOW SKEW CLOCK DRIVER, 2 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP48
ICS854S006IT 854S SERIES, LOW SKEW CLOCK DRIVER, 6 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PDSO24
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