參數(shù)資料
型號: XRT8020IL
廠商: EXAR CORP
元件分類: 數(shù)字傳輸電路
英文描述: 650 MHZ CLOCK & CRYSTAL MULTIPLIER WITH LVDS OUTPUTS
中文描述: ATM/SONET/SDH SUPPORT CIRCUIT, QCC16
封裝: 4 X 4 MM, QFN-16
文件頁數(shù): 5/12頁
文件大?。?/td> 425K
代理商: XRT8020IL
XRT8020
REV. 1.0.2
650 MHZ CLOCK & CRYSTAL MULTIPLIER WITH LVDS OUTPUTS
4
Crystal Frequency
27
40
MHz
See Section 2.0 for Crystal Selection
Clock Input Frequency
72
85
MHz
AC Coupled (FS0=1, FS1=1)
Power on Calibration time
5
ms
After VDD reaches 2.8V
N
OTE
:
Calibration time = 16,000 clock cycles
Max Frequency Out
F
OUT
575
675
MHz
624 MHz nominal F
OUT
(See Table 1)
Max Frequency Out
F
OUT
285
340
MHz
312 MHz nominal F
OUT
(See Table 1)
Rise time
T
R
350
ps
CL = 5pF, RL = 100
, (20% - 80%)
Fall Time
T
F
350
ps
CL = 5pF, RL = 100
, (20% - 80%)
Duty cycle
45
55
%
LVDS output
Differential Output Skew
10
ps
See Figure 3
Output Loading
100
Output Voltage Swing
V
OUT
250
450
mV
Magnitude of (OUTP-OUTN)
Common Mode Voltage
V
CM
1.0
1.2
1.4
V
Output Short Circuit Current
-5.7
-10
mA
Current limit to ground, V
DD
or Vp to Vn
Cycle-to-Cycle Jitter
3
ps
rms, at 624 MHz
Cycle-to-Cycle Jitter
3
ps
rms, at 312 MHz
Accumulated Jitter
12
ps
rms, at 624 MHz
Accumulated Jitter
12
ps
rms, 312 MHz
Input Referenced Jitter
9
ps
rms at 622 MHz, See Figure 4
Input Referenced Jitter
9
ps
rms at 312 MHz, See Figure 4
P
ARAMETER
S
YMBOL
M
IN
T
YP
M
AX
U
NIT
C
ONDITIONS
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