參數(shù)資料
型號(hào): VCT2001A
廠商: CTS CORP
元件分類: 時(shí)鐘及定時(shí)
英文描述: HCMOS Output-Dual Input Clock Generator
中文描述: LOW SKEW CLOCK DRIVER, 2 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), DSO14
封裝: 25.40 X 26.67 MM, 8.13 MM HEIGHT, SMT-14
文件頁(yè)數(shù): 2/5頁(yè)
文件大?。?/td> 153K
代理商: VCT2001A
PRELIMINARY
Module Data Sheet: VCT2001A 77.760 MHz
Application: HCMOS Output-Dual Input Clock Generator
Page 2
Rev. “4” 3/28/03
VCT2001A 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 ref. 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
(Rearrangement)
2.6
Input Logic Levels
2.6.1 ‘ 0’
2.6.2 ‘1’
2.7
Output Logic Levels (into 30pF load)
2.7.1 ‘0’
2.7.2 ‘1’
2.8
Dual Reference input (HCMOS levels)
2.9
Output load
ELECTRICAL
CHARACTERISTICS
Specification
Regulated Input Supply Voltage, Vcc
Supply Current Drain… @ 3.5V
Frequency Output
Temperature Ranges
Operating Temp. Range
Storage Temp. Range
Timing Parameters
Min
3.10
Typ
3.30
Max
3.50
Units
V DC
55
70
85
3
-
mA
MHz
oC
oC
ns
μs
77.760
-
-
0
-40
-
2
-
-
1
-
-
-
50
-
s
10
25
20
55
50
Hz
ppm
ppm
%
nS
-25
-20
45
-0.5
2.4
0.8
5.5
V
V
-0.25
4.0
0.8
V
V
kHz
pF
Vcc*0.9
8
10
ENABLE / TRISTATE
SEL AB
REF B
REF A
FORCE FREE RUN
8 KHz
PHASE
ALIGNER
PDET
ANALOG
FILTER
LOW PASS
f / N
LOW
JITTER
VCXO
FREE RUN STATUS
ALARM
8 KHz
OUTPUT
19.440 MHz
OSCILLATOR
OUTPUT
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