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74VHC4046
AC Electrical Characteristics V
CC
= 2.0 to 6.0V, C
L
= 50 pF, t
r
= t
f
= 6 ns (unless otherwise specified.)
Symbol Parameters Conditions
V
CC
T
A
=25C T
A
=−40 to 85°C
Units
Typ Guaranteed Limits
AC Coupled C (series) = 100 pF 2.0V 25 100 150 mV
Input Sensitivity, f
IN
= 500 kHz 4.5V 50 150 200 mV
Signal In 6.0V 135 250 300 mV
t
r
, t
f
Maximum Output 2.0V 30 75 95 ns
Rise and Fall Time 4.5V 9 15 19 ns
6.0V 8 12 15 ns
C
IN
Maximum Input 7 pF
Capacitance
Phase Comparator I
t
PHL
, t
PLH
Maximum Propagation 3.3V 65 117 146 ns
Delay 4.5V 25 40 50 ns
6.0V 20 34 43 ns
Phase Comparator II
t
PZL
Maximum 3-STATE 3.3V 75 130 160 ns
Enable Time 4.5V 25 45 56 ns
6.0V 22 38 48 ns
t
PZH
, t
PHZ
Maximum 3-STATE 3.3V 88 140 175 ns
Enable Time 4.5V 30 48 60 ns
6.0V 25 41 51 ns
t
PLZ
Maximum 3-STATE 3.3V 90 140 175 ns
Disable Time 4.5V 32 48 60 ns
6.0V 28 41 51 ns
t
PHL
, t
PLH
Maximum Propagation 3.3V 100 146 180 ns
Delay HIGH-to-LOW 4.5V 34 50 63 ns
to Phase Pulses 6.0V 27 43 53 ns
Phase Comparator III
t
PHL
, t
PLH
Maximum Propagation 3.3V 75 117 146 ns
Delay 4.5V 25 40 50 ns
6.0V 22 34 43 ns
C
PD
Maximum Power All Comparators 130 pF
Dissipation V
IN
= V
CC
and GND
Capacitance
Voltage Controlled Oscillator (Specified to operate from V
CC
= 3.0V to 6.0V)
f
MAX
Maximum C
1
= 50 pF
Operating R
1
= 100Ω 4.5V 7 4.5 MHz
Frequency R
2
= ∞ 6.0V 11 7 MHz
VCO
in
= V
CC
C
1
= 0 pF 4.5V 12 MHz
R
1
= 100Ω 6.0 14 MHz
VCO
in
= V
CC
Duty Cycle 50 %
Demodulator Output
Offset Voltage R
s
= 20 kΩ 4.5V 0.75 1.3 1.5 V
VCO
in
–V
dem
Offset R
s
= 20 kΩ 4.5V
Variation VCO
in
= 1.75V 0.65 V
2.25V 0.1
2.75V 0.75
