CD4047BCN_Q Fairchild Semiconductor, CD4047BCN_Q Datasheet

CD4047BCN_Q

Manufacturer Part Number

CD4047BCN_Q

Description

Monostable Multivibrator Monostable Multivib

Manufacturer

Fairchild Semiconductor

Datasheet

1.CD4047BCN_Q.pdf (9 pages)

Specifications of CD4047BCN_Q

Logic Family

CD40

Logic Type

Monostable Multivibrator

Package / Case

PDIP-14

Mounting Style

Through Hole

Current page: 1 of 9
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CD4047BCM

CD4047BCN

CD4047BC

Low Power Monostable/Astable Multivibrator

General Description

The CD4047B is capable of operating in either the

monostable or astable mode. It requires an external capac-

itor (between pins 1 and 3) and an external resistor

(between pins 2 and 3) to determine the output pulse width

in the monostable mode, and the output frequency in the

astable mode.

Astable operation is enabled by a high level on the astable

input or low level on the astable input. The output fre-

quency (at 50% duty cycle) at Q and Q outputs is deter-

mined by the timing components. A frequency twice that of

Q is available at the Oscillator Output; a 50% duty cycle is

not guaranteed.

Monostable operation is obtained when the device is trig-

gered by LOW-to-HIGH transition at

HIGH-to-LOW transition at

be retriggered by applying a simultaneous LOW-to-HIGH

transition to both the

A high level on Reset input resets the outputs Q to LOW, Q

to HIGH.

Features

Ordering Code:

Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.

Order Number

Wide supply voltage range:

High noise immunity: 0.45 V

Low power TTL compatibility: Fan out of 2 driving 74L

or 1 driving 74LS

Special Features

Low power consumption: special CMOS oscillator

configuration

Monostable (one-shot) or astable (free-running)

operation

True and complemented buffered outputs

Only one external R and C required

Package Number

trigger and retrigger inputs.

M14A

N14A

trigger input. The device can

3.0V to 15V

(typ.)

14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150" Narrow

14-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300" Wide

trigger input or

DS005969

Applications

• Frequency discriminators

• Timing circuits

• Time-delay applications

• Envelope detection

• Frequency multiplication

• Frequency division

Monostable Multivibrator

Features

Positive- or negative-edge trigger

Output pulse width independent of trigger pulse duration

Retriggerable option for pulse width expansion

Long pulse widths possible using small RC components

by means of external counter provision

Fast recovery time essentially independent of pulse

width

Pulse-width

approaching 100%

Astable Multivibrator Features

Free-running or gatable operating modes

50% duty cycle

Oscillator output available

Good astable frequency stability

typical

frequency

deviation (circuits trimmed to frequency V

10%)

Package Description

0.5%

accuracy

0.03%/ C @ 100 kHz

0.015%/ C @ 10 kHz

maintained

October 1987

Revised March 2002

www.fairchildsemi.com

duty

cycles

10V

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CD4047BCN_Q Summary of contents

Page 1

... CD4047BCN N14A 14-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300" Wide Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code. © 2002 Fairchild Semiconductor Corporation Monostable Multivibrator Features Positive- or negative-edge trigger Output pulse width independent of trigger pulse duration ...

Page 2

Connection Diagram Function Table To V Function Astable Multivibrator Free-Running True Gating Complement Gating 6, 14 Monostable Multivibrator Positive-Edge Trigger 4, 14 Negative-Edge Trigger Retriggerable 4, 14 External Countdown (Note ...

Page 3

Block Diagram Logic Diagram *Special input protection circuit to permit larger input-voltage swings. 3 www.fairchildsemi.com ...

Page 4

Absolute Maximum Ratings (Note 3) DC Supply Voltage ( Input Voltage ( Storage Temperature Range ( Power Dissipation ( Dual-In-Line Small Outline Lead Temperature ( (Soldering, 10 ...

Page 5

AC Electrical Characteristics pF, R 200k, input Symbol Parameter Propagation Delay Time Astable, PHL PLH Astable to Osc Out Astable, Astable ...

Page 6

Typical Performance Characteristics Typical Q, Q, Osc Out Period Accuracy vs Supply Voltage (Astable Mode Operation 1000 kHz 22k B 100 kHz 22k C 10 kHz 220k D 1 kHz 220k E 100 Hz ...

Page 7

Typical Performance Characteristics Timing Diagrams Astable Mode (Continued) Monostable Mode Retrigger Mode 7 www.fairchildsemi.com ...

Page 8

Physical Dimensions inches (millimeters) unless otherwise noted 14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150" Narrow www.fairchildsemi.com Package Number M14A 8 ...

Page 9

Physical Dimensions inches (millimeters) unless otherwise noted (Continued) 14-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300" Wide Fairchild does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and Fairchild reserves the right ...

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