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CD74HC7046AM Datasheet(PDF) 13 Page - Texas Instruments

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Part # CD74HC7046AM
Description  Phase-Locked Loop with VCO and Lock Detector
PDF  26 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

CD74HC7046AM Datasheet(HTML) 13 Page - Texas Instruments

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Test Circuits and Waveforms
FIGURE 10. HC TRANSITION TIMES AND PROPAGATION
DELAY TIMES, COMBINATION LOGIC
FIGURE 11. HCT TRANSITION TIMES AND PROPAGATION
DELAY TIMES, COMBINATION LOGIC
tPHL
tPLH
tTHL
tTLH
90%
50%
10%
50%
10%
INVERTING
OUTPUT
INPUT
GND
VCC
tr = 6ns
tf = 6ns
90%
tPHL
tPLH
tTHL
tTLH
2.7V
1.3V
0.3V
1.3V
10%
INVERTING
OUTPUT
INPUT
GND
3V
tr = 6ns
tf = 6ns
90%
Typical Performance Curves
FIGURE 12. TYPICAL INPUT RESISTANCE CURVE AT
SIGIN, COMPIN
FIGURE 13. HC7046A TYPICAL CENTER FREQUENCY vs R1, C1
FIGURE 14. HC7046A TYPICAL CENTER FREQUENCY vs R1, C1
FIGURE 15. HC7046A TYPICAL CENTER FREQUENCY vs R1, C1
II
VI
∆VI
SELF-BIAS OPERATING POINT
108
107
106
105
104
103
102
10
1
110
102
103
104
105
106
CAPACITANCE, C1 (pF)
VCOIN = 0.5 VCC
VCC = 4.5V
R1 = 2.2K
R1 = 22K
R1 = 220K
R1 = 2.2M
R1 = 11M
R2 =
∞
108
107
106
105
104
103
102
10
1
110
102
103
104
105
106
CAPACITANCE, C1 (pF)
VCOIN = 0.5 VCC
VCC = 6.0V
R1 = 3K
R1 = 30K
R1 = 330K
R1 = 3M
R1 = 15M
R2 =
∞
108
107
106
105
104
103
102
10
1
110
102
103
104
105
106
CAPACITANCE, C1 (pF)
VCOIN = 0.5 VCC
VCC = 3.0V
R2 =
∞
R1 = 1.5K
R1 = 15K
R1 = 150K
R1 = 1.5M
R1 = 7.5M
CD74HC7046A, CD74HCT7046A



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