Datasheet

1997 Nov 25 15
Philips Semiconductors Product specification
Phase-locked-loop with VCO 74HC/HCT4046A
DC CHARACTERISTICS FOR 74HCT
Phase comparator section
Voltages are referenced to GND (ground=0V)
SYMBOL PARAMETER
T
amb
(°C)
UNIT
TEST CONDITIONS
74HCT
V
CC
(V)
V
I
OTHER
+25 −40 to +85 −40 to +125
min typ. max min max min. max.
V
IH
DC coupled
HIGH level input
voltage SIG
IN
, COMP
IN
3.15 2.4 V 4.5
V
IL
DC coupled
LOW level input
voltage
SIG
IN
, COMP
IN
2.1 1.35 V 4.5
V
OH
HIGH level output
voltage PCP
OUT
,
PC
nOUT
4.4 4.5 4.4 4.4 V 4.5 V
IH
or
V
IL
−I
O
=20µA
V
OH
HIGH level output
voltage PCP
OUT
,
PC
nOUT
3.98 4.32 3.84 3.7 V 4.5 V
IH
or
V
IL
−I
O
= 4.0 mA
V
OL
LOW level output
voltage
PCP
OUT
,PC
nOUT
0 0.1 0.1 0.1 V 4.5 V
IH
or
V
IL
I
O
=20µA
V
OL
LOW level output
voltage
PCP
OUT
,PC
nOUT
0.15 0.26 0.33 0.4 V 4.5 V
IH
or
V
IL
I
O
= 4.0 mA
±I
I
input leakage current
SIG
IN
, COMP
IN
30 38 45 µA 5.5 V
CC
or
GN
D
±I
OZ
3-state OFF-state
current PC2
OUT
0.5 5.0 10.0 µA 5.5 V
IH
or
V
IL
V
O
=V
CC
or
GND
R
I
input resistance
SIG
IN
, COMP
in
250 kΩ 4.5 V
I
at self-bias
operating
point;
∆ V
I
= 0.5 V;
see Figs 12
, 13 and
14