74HC4046AN 데이터 시트보기 (PDF) - Philips Electronics

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74HC4046AN

Phase-locked-loop with VCO

Philips Electronics 

Philips Semiconductors

Phase-locked-loop with VCO

Product specification

74HC/HCT4046A

VCO section

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

Tamb (°C)

TEST CONDITIONS

SYMBOL PARAMETER

74HC

+25

−40 to +85

−40 to +125

UNIT VCC OTHER

(V)

min. typ. max. typ. max. min. max.

∆f/T

frequency stability

0.20

with temperature

0.15

change

0.14

fo

VCO centre

7.0 10.0

frequency (duty 11.0 17.0

factor = 50%)

13.0 21.0

∆fVCO

VCO frequency

1.0

linearity

0.4

0.3

δVCO

duty factor at

50

VCOOUT

50

50

%/K 3.0 VI = VVCOIN = 1/2 VCC;

4.5 R1 = 100 kΩ; R2 = ∞;

6.0 C1 = 100 pF; see Fig.18

MHz 3.0 VVCOIN = 1/2 VCC;

4.5 R1 = 3 kΩ; R2 = ∞;

6.0 C1 = 40 pF; see Fig.19

% 3.0 R1 = 100 kΩ; R2 = ∞;

4.5 C1 = 100 pF;

6.0 see Figs 20 and 21

% 3.0

4.5

6.0

DC CHARACTERISTICS FOR 74HCT

Quiescent supply current

Voltages are referenced to GND (ground = 0 V)

SYMBOL PARAMETER

ICC

quiescent supply

current

(VCO disabled)

∆ICC

additional quiescent

supply current per

input pin for unit load

coefficient is 1 (note 1)

VI = VCC − 2.1 V

Tamb (°C)

TEST CONDITIONS

74HCT

+25

−40 to +85

UNIT

−40 to +125

VCC

(V)

OTHER

min. typ. max. min. max. min. max.

8.0

80.0

160.0 µA 6.0 pins 3, 5 and 14

at VCC; pin 9 at

GND; II at

pins 3 and 14 to

be excluded

100 360

450

490 µA 4.5 pins 3 and 14

to at VCC;

5.5 pin 9 at GND;

II at pins 3 and 14

to be excluded

Note

1. The value of additional quiescent supply current (∆ICC) for a unit load of 1 is given above.

To determine ∆ICC per input, multiply this value by the unit load coefficient shown in the table below.

INPUT

INH

UNIT LOAD COEFFICIENT

1.00

1997 Nov 25

14

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