參數(shù)資料
型號: VCT2000A
廠商: CTS CORP
元件分類: 時鐘及定時
英文描述: LVPECL Output-Dual Input Clock Generator
中文描述: LOW SKEW CLOCK DRIVER, 1 TRUE OUTPUT(S), 1 INVERTED OUTPUT(S), DSO18
封裝: 1 X 1.050 INCH, 0.320 INCH HEIGHT, MODULE, SMT-18
文件頁數(shù): 2/5頁
文件大?。?/td> 148K
代理商: VCT2000A
Module Data Sheet: VCT2000A 155.520MHz
Application: LVPECL Output-Dual Input Clock Generator
Page 2 of 5
Rev. “7” 6/02/03
ALIGNER
8 KHz
REF A
SEL AB
ENABLE / TRISTATE
REF B
FORCE FREE RUN
LOW PASS
ANALOG
PDET
f / N
FILTER
LOW
JITTER
Q
VCXO
OPTIONAL
Q
ALARM
FREE RUN STATUS
VCT2000A Block Diagram
2.0
2.1
2.2
2.3
2.4
2.4.1
2.4.2
2.5
2.5.1 Output Rise and Fall Time (20% 80%)
2.5.2 Input Jitter Tolerance @ 8kHz Reference
(Input Jitter Frequencies > 10 Hz)
2.5.3 Acquisition Time (Offsetting reference by 20ppm)
2.5.4 Jitter Filter Bandwidth
2.5.5 Capture/pull-in range
2.5.6 Free Run Frequency
2.5.7 Output Duty Cycle
2.5.8 Phase Transient due to Reference switching
2.5.9 SONET Jitter BW 12 kHz - 20 MHz
2.6
Input Logic Levels
2.6.1 ‘ 0’
2.6.2 ‘1’
2.7
Output Logic Levels (into 50
@Vcc-2.0V)
2.7.1 ‘0’
2.7.2 ‘1’
ELECTRICAL
CHARACTERISTICS
Specification
Regulated Input Supply Voltage, Vcc
Supply Current Drain @ 3.5Vdc
Frequency Output
Temperature Ranges
Operating Temp. Range
Storage Temp. Range
Timing Parameters
Min
3.10
0
-40
-
31.25
Typ
3.30
155.520
-
-
Max
3.50
110
70
85
550
-
Units
V DC
mA
MHz
oC
oC
ps
μs
-
-
1
-
-
-
50
-
s
10
25
20
55
150
1
0.8
5.5
Hz
ppm
ppm
%
nS
ps
V
V
V
V
-25
-20
45
-0.5
2.4
Vcc-1.62
Vcc-1.02
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