74HC4046AD datasheet(17/34 Pages) PHILIPS

17 / 34 page

1997 Nov 25

Philips Semiconductors

Product speciﬁcation

Phase-locked-loop with VCO

74HC/HCT4046A

DC CHARACTERISTICS FOR 74HCT

Demodulator section

Voltages are referenced to GND (ground = 0 V)

AC CHARACTERISTICS FOR 74HCT

Phase comparator section

GND = 0 V; tr =tf = 6 ns; CL = 50 pF

SYMBOL

PARAMETER

Tamb (°C)

UNIT

TEST CONDITIONS

74HCT

VCC

(V)

OTHER

+25

−40 to +85 −40 to +125

min. typ. max. min. max.

min.

max.

resistor range

300

Ω

4.5

at RS > 300 kΩ

the leakage current can

inﬂuence VDEMOUT

VOFF

offset voltage

VCOIN to

VDEMOUT

±20

4.5

VI =VVCOIN = 1/2 VCC;

values taken over

RS range; see Fig.15

dynamic output

resistance at

DEMOUT

Ω

4.5

VDEMOUT = 1/2 VCC

SYMBOL

PARAMETER

Tamb (°C)

UNIT

TEST CONDITIONS

74HCT

VCC

(V)

OTHER

+25

−40 to +85 −40 to +125

min.

typ.

max.

min.

max.

min.

max.

tPHL/

tPLH

propagation delay

SIGIN, COMPIN

to PC1OUT

4.5

Fig.16

tPHL/

tPLH

propagation delay

SIGIN, COMPIN

to PCPOUT

102

4.5

Fig.16

tPHL/

tPLH

propagation delay

SIGIN, COMPIN

to PC3OUT

4.5

Fig.16

tPZH/

tPZL

3-state output enable

time SIGIN, COMPIN

to PC2OUT

4.5

Fig.17

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