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National Semiconductor Electronic Components Datasheet

CD4047BM Datasheet

Low Power Monostable/Astable Multivibrator

No Preview Available !

October 1993
CD4047BM CD4047BC Low Power
Monostable Astable Multivibrator
General Description
CD4047B is capable of operating in either the monostable
or astable mode It requires an external capacitor (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 frequency
(at 50% duty cycle) at Q and Q outputs is determined 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 a trigger input or high-to-
low transition at b trigger input The device can be retrig-
gered by applying a simultaneous low-to-high transition to
both the a trigger and retrigger inputs
A high level on Reset input resets the outputs Q to low Q to
high
Features
Y Wide supply voltage range
Y High noise immunity
Y Low power TTL
compatibility
3 0V to 15V
0 45 VDD (typ )
Fan out of 2 driving 74L
or 1 driving 74LS
SPECIAL FEATURES
Y Low power consumption special CMOS oscillator con-
figuration
Y Monostable (one-shot) or astable (free-running) opera-
tion
Y True and complemented buffered outputs
Y Only one external R and C required
MONOSTABLE MULTIVIBRATOR FEATURES
Y Positive- or negative-edge trigger
Y Output pulse width independent of trigger pulse dura-
tion
Y Retriggerable option for pulse width expansion
Y Long pulse widths possible using small RC components
by means of external counter provision
Y Fast recovery time essentially independent of pulse
width
Y Pulse-width accuracy maintained at duty cycles ap-
proaching 100%
ASTABLE MULTIVIBRATOR FEATURES
Y Free-running or gatable operating modes
Y 50% duty cycle
Y Oscillator output available
Y Good astable frequency stability
typical
e g2% a 0 03% C 100 kHz
frequency e g0 5% a 0 015% C 10 kHz
deviation (circuits trimmed to frequency
VDD e 10V g10%)
Applications
Y Frequency discriminators
Y Timing circuits
Y Time-delay applications
Y Envelope detection
Y Frequency multiplication
Y Frequency division
Block and Connection Diagrams
Dual-In-Line Package
C1995 National Semiconductor Corporation TL F 5969
TL F 5969 – 1
Top View
TL F 5969 – 2
Order Number CD4047B
RRD-B30M105 Printed in U S A


National Semiconductor Electronic Components Datasheet

CD4047BM Datasheet

Low Power Monostable/Astable Multivibrator

No Preview Available !

Absolute Maximum Ratings (Notes 1 and 2)
If Military Aerospace specified devices are required
please contact the National Semiconductor Sales
Office Distributors for availability and specifications
DC Supply Voltage (VDD)
Input Voltage (VIN)
Storage Temperature Range (TS)
Power Dissipation (PD)
Dual-In-Line
Small Outline
b0 5V to a18VDC
b0 5V to VDD a0 5VDC
b65 C to a150 C
700 mW
500 mW
Lead Temperature (TL)
(Soldering 10 seconds)
260 C
Recommended Operating
Conditions (Note 2)
DC Supply Voltage (VDD)
3V to 15VDC
Input Voltage (VIN)
0 to VDD VDC
Operating Temperature Range (TA)
CD4047BM
CD4047BC
b55 C to a125 C
b40 C to a85 C
DC Electrical Characteristics CD4047BM (Note 2)
Symbol
Parameter
Conditions
b55 C
25 C
125 C
Units
Min Max Min Typ Max Min Max
IDD
VOL
VOH
VIL
VIH
IOL
IOH
IIN
Quiescent Device Current VDD e 5V
VDD e 10V
VDD e 15V
5 5 150
10 10 300
20 20 600
Low Level Output Voltage
lIOl k 1 mA
VDD e 5V
VDD e 10V
VDD e 15V
0 05
0 05
0 05
0 0 05
0 0 05
0 0 05
0 05
0 05
0 05
l lHigh Level Output Voltage IO k 1 mA
VDD e 5V
VDD e 10V
VDD e 15V
4 95
9 95
14 95
4 95
9 95
14 95
5
10
15
4 95
9 95
14 95
Low Level Input Voltage
VDD e 5V VO e 0 5V or 4 5V
VDD e 10V VO e 1V or 9V
VDD e 15V VO e 1 5V or 13 5V
15
30
40
2 25 1 5
45 30
6 75 4 0
15
30
40
High Level Input Voltage
VDD e 5V VO e 0 5V or 4 5V
VDD e 10V VO e 1V or 9V
VDD e 15V VO e 1 5V or 13 5V
35
70
11 0
3 5 2 75
70 55
11 0 8 25
35
70
11 0
Low Level Output Current VDD e 5V VO e 0 4V
(Note 3)
VDD e 10V VO e 0 5V
VDD e 15V VO e 1 5V
0 64 0 51 0 88
1 6 1 3 2 25
42 34 88
0 36
09
24
High Level Output Current VDD e 5V VO e 4 6V
(Note 3)
VDD e 10V VO e 9 5V
VDD e 15V VO e 13 5V
b0 64
b1 6
b4 2
b0 51 b0 88
b1 3 b2 25
b3 4 b8 8
b0 36
b0 9
b2 4
Input Current
VDD e 15V VIN e 0V
VDD e 15V VIN e 15V
b0 1
01
b10b5 b0 1
10b5 0 1
b1 0
10
mA
mA
mA
V
V
V
V
V
V
V
V
V
V
V
V
mA
mA
mA
mA
mA
mA
mA
mA
DC Electrical Characteristics CD4047BC (Note 2)
Symbol
IDD
VOL
VOH
Parameter
Quiescent Device Current
Low Level Output Voltage
High Level Output Voltage
Conditions
VDD e 5V
VDD e 10V
VDD e 15V
lIOl k 1 mA
VDD e 5V
VDD e 10V
VDD e 15V
lIOl k 1 mA
VDD e 5V
VDD e 10V
VDD e 15V
b40 C
Min Max
20
40
80
0 05
0 05
0 05
4 95
9 95
14 95
25 C
Min Typ
0
0
0
4 95
9 95
14 95
5
10
15
Max
20
40
80
0 05
0 05
0 05
85 C
Min Max
150
300
600
0 05
0 05
0 05
4 95
9 95
14 95
Units
mA
mA
mA
V
V
V
V
V
V
2


Part Number CD4047BM
Description Low Power Monostable/Astable Multivibrator
Maker National Semiconductor
Total Page 6 Pages
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