74HC4046A Datasheet, PDF (16/34 Pages) NXP Semiconductors – Phase-locked-loop with VCO

Philips Semiconductors
Phase-locked-loop with VCO
Product specification
74HC/HCT4046A
DC CHARACTERISTICS FOR 74HCT
VCO section
Voltages are referenced to GND (ground = 0 V)
T_amb (°C)
TEST CONDITIONS
SYMBOL PARAMETER
74HCT
+25
−40 to +85 −40 to +125
UNIT
V_CC ^VI
(V)
min typ. max min max min. max.
OTHER
V_IH
HIGH level
2.0 1.6
2.0
2.0
input voltage INH
V
4.5
to
5.5
V_IL
LOW level
input voltage INH
1.2 0.8
0.8
0.8 V
4.5
to
5.5
V_OH
HIGH level output 4.4 4.5
4.4
4.4
voltage VCO_OUT
V
4.5 V_IH −I_O = 20 µA
or
V_IL
V_OH
HIGH level output 3.98 4.32
3.84
3.7
voltage VCO_OUT
V
4.5 V_IH −I_O = 4.0 mA
or
V_IL
V_OL
LOW level output
voltage VCO_OUT
0 0.1
0.1
0.1 V
4.5 V_IH I_O = 20 µA
or
V_IL
V_OL
LOW level output
voltage VCO_OUT
0.15 0.26
0.33
0.4 V
4.5 V_IH I_O = 4.0 mA
or
V_IL
V_OL
LOW level output
voltage C1_A, C1_B
(test purposes only)
0.40
0.47
0.54 V
4.5 V_IH I_O = 4.0 mA
or
V_IL
±I_I
input leakage
current
INH, VCO_IN
0.1
1.0
1.0 µA
5.5 V_CC
or
GND
R1
resistor range
3.0
300
kΩ 4.5
note 1
R₂
resistor range
3.0
300
kΩ 4.5
note 1
C1
capacitor range
40
no
limit
pF
4.5
V_VCOIN
operating voltage
1.1
3.4
range at VCO_IN
V
4.5
over the
range
specified for
R1; for
linearity see
Figs 20
and 21
Note
1. The parallel value of R1 and R2 should be more than 2.7 kΩ. Optimum performance is achieved when R1 and/or R2
are/is > 10 kΩ.
1997 Nov 25
16