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MM74HC4046
AC Electrical Characteristics V
CC
= 2.0 to 6.0V, C
L
= 50 pF, t
r
= t
r
= 6 ns (unless otherwise specified.)
Symbol Parameters Conditions
V
CC
T
A
=25C T
A
= −40 to 85°CT
A
= −55 to 125°C
Units
Typ Guaranteed Limits
AC Coupled C (series) = 100 pF 2.0V 25 100 150 200 mV
Input Sensitivity, f
IN
= 500 kHz 4.5V 50 150 200 250 mV
Signal In 6.0V 135 250 300 350 mV
t
r
, t
f
Maximum Output 2.0V 30 75 95 110 ns
Rise and Fall Time 4.5V 9 15 19 22 ns
6.0V 8 12 15 19 ns
C
IN
Maximum Input Capacitance 7 pF
Phase Comparator I
t
PHL
, t
PLH
Maximum 2.0V 65 200 250 300 ns
Propagation Delay 4.5V 25 40 50 60 ns
6.0V 20 34 43 51 ns
Phase Comparator II
t
PZL
Maximum 3-STATE 2.0V 75 225 280 340 ns
Enable Time 4.5V 25 45 56 68 ns
6.0V 22 38 48 57 ns
t
PZH
, t
PHZ
Maximum 3-STATE 2.0V 88 240 300 360 ns
Enable Time 4.5V 30 48 60 72 ns
6.0V 25 41 51 61 ns
t
PLZ
Maximum 3-STATE 2.0V 90 240 300 360 ns
Disable Time 4.5V 32 48 60 72 ns
6.0V 28 41 51 61 ns
t
PHL
, t
PLH
Maximum 2.0V 100 250 310 380 ns
Propagation Delay 4.5V 34 50 63 75 ns
HIGH-to-LOW to Phase Pulses 6.0V 27 43 53 64 ns
Phase Comparator III
t
PHL
, t
PLH
Maximum 2.0V 75 200 250 300 ns
Propagation Delay 4.5V 25 40 50 60 ns
6.0V 22 34 43 51 ns
C
PD
Maximum Power All Comparators 130 pF
Dissipation Capacitance V
IN
= V
CC
and GND
Voltage Controlled Oscillator (Specified to operate from V
CC
= 3.0V to 6.0V)
f
MAX
Maximum C1 = 50 pF
Operating R1 = 100Ω 4.5V 7 4.5 MHz
Frequency R2 = ∞ 6.0V 11 7 MHz
VCO
in
= V
CC
C1 = 0 pF 4.5V 12 MHz
R1 = 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 1.6 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
