HCF4047B STMicroelectronics, HCF4047B Datasheet - Page 2

• Manufacturer Part Number: HCF4047B
• Description: LOW-POWELOW-POWER MONOSTABLE/ASTABLE MULTIVIBRATOR
• Manufacturer: STMicroelectronics

FUNCTIONAL TERMINAL CONNECTIONS
HCC/HCF4047B
BLOCK DIAGRAM
**
2/15
Astable Multivibrator :
Free Running
True Gating
Complement Gating
Monostable Multivibrator :
Positive–Edge Trigger
Negative–Edge Trigger
Retriggerable
External Countdown**
* In all cases external capacitor and resistor between pins, 1, 2 and 3 (see logic diagrams).
Input pulse to Reset of External Counting Chip.
External Counting Chip Output to pin 4.
Function*
4, 5, 6, 14
4, 6, 14
4, 8, 14
to V
6, 14
4, 14
4, 14
14
DD
Terminal Connections
5, 6, 7, 8, 9, 12
5, 7, 8, 9 ,12
5, 6, 7, 9, 12
7, 8, 9, 12
7, 8, 9, 12
5, 7, 9, 12
5, 6, 7, 9
to V
SS
Pulse to
Input
8, 12
–
5
4
8
6
–
10, 11, 13
10, 11, 13
10, 11, 13
Output
10, 11
10, 11
10, 11
10, 11
Pulse
From
t
t
M
A
t
(10, 11) = 4.40RC
A
(10, 11) = 2.48RC
Output Period
Pulse Width
(13) = 2.20RC
or