Datasheet

1997 Nov 25 13
Philips Semiconductors Product specification
Phase-locked-loop with VCO 74HC/HCT4046A
AC CHARACTERISTICS FOR 74HC
Phase comparator section
GND = 0 V; t
r
=t
f
= 6 ns; C
L
= 50 pF
SYMBOL PARAMETER
T
amb
(°C)
UNIT
TEST
CONDITIONS
74HC
V
CC
(V)
OTHER
+25 −40 to +85 −40 to +125
min. typ. max. min. max. min. max.
t
PHL
/
t
PLH
propagation delay
SIG
IN
, COMP
IN
to PC1
OUT
63 200 250 300 ns 2.0 Fig.16
23 40 50 60 4.5
18 34 43 51 6.0
t
PHL
/
t
PLH
propagation delay
SIG
IN
, COMP
IN
to PCP
OUT
96 340 425 510 ns 2.0 Fig.16
35 68 85 102 4.5
28 58 72 87 6.0
t
PHL
/
t
PLH
propagation delay
SIG
IN
, COMP
IN
to PC3
OUT
77 270 340 405 ns 2.0 Fig.16
28 54 68 81 4.5
22 46 58 69 6.0
t
PZH
/
t
PZL
3-state output enable
time SIG
IN
, COMP
IN
to PC2
OUT
83 280 350 420 ns 2.0 Fig.17
30 56 70 84 4.5
24 48 60 71 6.0
t
PHZ
/
t
PLZ
3-state output disable
time SIG
IN
, COMP
IN
to PC2
OUT
99 325 405 490 ns 2.0 Fig.17
36 65 81 98 4.5
29 55 69 83 6.0
t
THL
/
t
TLH
output transition time 19 75 95 110 ns 2.0 Fig.16
7 15 19 22 4.5
6 13 16 19 6.0
V
I(p-p)
AC coupled input sensitivity
(peak-to-peak value) at
SIG
IN
or COMP
IN
9 mV 2.0 f
i
= 1 MHz
11 3.0
15 4.5
33 6.0