参数资料
型号: ICS8432AY-51LF
厂商: INTEGRATED DEVICE TECHNOLOGY INC
元件分类: 时钟产生/分配
英文描述: 700 MHz, OTHER CLOCK GENERATOR, PQFP32
封装: 7 X 7 MM, 1.40 MM HEIGHT, MS-026, LQFP-32
文件页数: 15/16页
文件大小: 166K
代理商: ICS8432AY-51LF
8432AY-51
www.icst.com/products/hiperclocks.html
REV. A AUGUST 20, 2001
8
PRELIMINARY
Integrated
Circuit
Systems, Inc.
ICS8432-51
700MHZ, CYRSTAL-TO-3.3V DIFFERENTIAL
LVPECL FREQUENCY SYNTHESIZER
FIGURE 4 - odc & t
PERIOD
Pulse Width
t
PERIOD
t
PW
t
PERIOD
odc =
TEST, FOUTx
nFOUTx
FIGURE 5 - Period Jitter
t
cycle n
1
fo
V
OH
V
ref
V
OL
V
OH
V
ref
V
OL
IDEAL OUTPUT
ACTUAL OUTPUT
tjit(per) = t
cycle n - 1
where fo is the nominal output frequency and
t
cycle n is any cycle within the sample measured
on controlled edges
fo
FOUTx
FIGURE 6 - Cycle-to-Cycle Jitter
nFOUTx
tjit(cc) = tcycle n –tcycle n+1
tcycle n
tcycle n+1
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