參數(shù)資料
型號: 0002A01L
英文描述: FEMTOCLOCKS⑩ CRYSTAL-TO LVCMOS/LVTTL FREQUENCY SYNTHESIZER
中文描述: FEMTOCLOCKS⑩晶體到的LVCMOS / LVTTL頻率合成器
文件頁數(shù): 9/12頁
文件大?。?/td> 199K
代理商: 0002A01L
Integrated
Circuit
Systems, Inc.
840002AG-01
www.icst.com/products/hiperclocks.html
REV. B JANUARY 13, 2006
6
ICS840002-01
FEMTOCLOCKSCRYSTAL-TO-
LVCMOS/LVTTL FREQUENCY SYNTHESIZER
PARAMETER MEASUREMENT INFORMATION
t
PERIOD
t
PW
t
PERIOD
odc =
V
DDO
2
x 100%
t
PW
Q0, Q1
RMS PHASE JITTER
3.3V CORE/2.5V OUTPUT LOAD AC TEST CIRCUIT
3.3V CORE/3.3V OUTPUT LOAD AC TEST CIRCUIT
SCOPE
Qx
LVCMOS
1.65V±5%
-1.65V±5%
OUTPUT SKEW
Clock
Outputs
20%
80%
20%
tR
t F
V
DD,
V
DDA, VDDO
GND
Phase Noise Mask
Offset Frequency
f
1
f
2
Phase Noise Plot
RMS Jitter = Area Under the Masked Phase Noise Plot
Noise
P
o
w
er
tsk(o)
V
DDO
2
V
DDO
2
Qx
Qy
OUTPUT RISE/FALL TIME
SCOPE
Qx
LVCMOS
2.05V±5%
-1.25V±5%
V
DD,
V
DDA
GND
OUTPUT DUTY CYCLE/PULSE WIDTH/PERIOD
1.25V±5%
V
DDO
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