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74HC7046A 数据表(PDF) 4 Page - NXP Semiconductors

部件名 74HC7046A
功能描述  Phase-locked-loop with lock detector
Download  38 Pages
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制造商  NXP [NXP Semiconductors]
网页  http://www.nxp.com
标志 NXP - NXP Semiconductors

74HC7046A 数据表(HTML) 4 Page - NXP Semiconductors

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December 1990
4
Philips Semiconductors
Product specification
Phase-locked-loop with lock detector
74HC/HCT7046A
QUICK REFERENCE DATA
GND = 0 V; Tamb =25 °C;
Notes
1. Applies to the phase comparator section only (VCO disabled).
For power dissipation of VCO and demodulator sections see Figs 20, 21 and 22.
2. CPD is used to determine the dynamic power dissipation (PD in µW):
PD =CPD × VCC2 × fi +∑ (CL × VCC2 × fo) where:
fi = input frequency in MHz
fo = output frequency in MHz
∑ (CL × VCC2 × fo) = sum of outputs
CL = output load capacitance in pF
VCC = supply voltage in V
ORDERING INFORMATION
See
“74HC/HCT/HCU/HCMOS Logic Package Information”.
SYMBOL
PARAMETER
CONDITIONS
TYPICAL
UNIT
HC
HCT
fo
VCO centre frequency
C1 = 40 pF; R1 = 3 k
Ω; VCC = 5 V
19
19
MHz
CI
input capacitance (pin 5)
3.5
3.5
pF
CPD
power dissipation capacitance per package
notes 1 and 2
24
24
pF


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