 English |
|
|
|
|
|
|
|
| 74HC4046A Datasheet, PDF (17/34 Pages) NXP Semiconductors – Phase-locked-loop with VCO | |||
| |||
| ◁ |
Philips Semiconductors
Phase-locked-loop with VCO
Product speciï¬cation
74HC/HCT4046A
DC CHARACTERISTICS FOR 74HCT
Demodulator section
Voltages are referenced to GND (ground = 0 V)
SYMBOL PARAMETER
RS
resistor range
VOFF
RD
offset voltage
VCOIN to
VDEMOUT
dynamic output
resistance at
DEMOUT
Tamb (°C)
TEST CONDITIONS
74HCT
+25
â40 to +85 â40 to +125
min. typ. max. min. max. min. max.
UNIT
VCC OTHER
(V)
50
300
±20
25
kâ¦
4.5 at RS > 300 kâ¦
the leakage current can
inï¬uence VDEMOUT
mV
4.5 VI = VVCOIN = 1/2 VCC;
values taken over
RS range; see Fig.15
â¦
4.5 VDEMOUT = 1/2 VCC
AC CHARACTERISTICS FOR 74HCT
Phase comparator section
GND = 0 V; tr = tf = 6 ns; CL = 50 pF
SYMBOL PARAMETER
tPHL/
tPLH
tPHL/
tPLH
tPHL/
tPLH
tPZH/
tPZL
propagation delay
SIGIN, COMPIN
to PC1OUT
propagation delay
SIGIN, COMPIN
to PCPOUT
propagation delay
SIGIN, COMPIN
to PC3OUT
3-state output enable
time SIGIN, COMPIN
to PC2OUT
Tamb (°C)
TEST CONDITIONS
74HCT
+25
â40 to +85
UNIT
â40 to +125
VCC
(V)
OTHER
min. typ. max. min. max. min. max.
23 40
50
60 ns 4.5 Fig.16
35 68
85
102 ns 4.5 Fig.16
28 54
68
81 ns 4.5 Fig.16
30 56
70
84 ns 4.5 Fig.17
1997 Nov 25
17
|
▷ |
German
Russian
Spanish
Italian
Polish
Chinese
Japanese
Korean
French
Portuguese