參數(shù)資料
型號: CD74HC7046AM96G4
廠商: TEXAS INSTRUMENTS INC
元件分類: PLL合成/DDS/VCOs
英文描述: PHASE LOCKED LOOP, PDSO16
封裝: GREEN, PLASTIC, SOIC-16
文件頁數(shù): 5/29頁
文件大?。?/td> 485K
代理商: CD74HC7046AM96G4
13
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
SELF-BIAS OPERATING POINT
108
107
106
105
104
103
102
10
1
110
102
103
104
105
106
CAPACITANCE, C1 (pF)
CENTER
FREQ
UENCY
(Hz)
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)
CENTER
FREQ
UENCY
(Hz)
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)
CENTER
FREQ
UENCY
(Hz)
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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