HEF4047B View Datasheet(PDF) - Philips Electronics
Part Name
Description
View to exact match
HEF4047B Datasheet PDF : 15 Pages
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Philips Semiconductors
Monostable/astable multivibrator
Product specification
HEF4047B
MSI
FUNCTIONAL CONNECTIONS
FUNCTION
astable multivibrator
free running
true gating
complement gating
PINS CONNECTED TO
VDD
VSS
OUTPUT
INPUT
PULSE
PULSE
FROM
PINS
OUTPUT
PERIOD
OR
PULSE WIDTH
4, 5, 6, 14
4, 6, 14
6, 14
7, 8, 9, 12
7, 8, 9, 12
5, 7, 8, 9, 12
− 10, 11, 13 at pins 10, 11:
5 10, 11, 13 tA = 4,40 RtCt
4 10, 11, 13 at pin 13:
tA = 2,20 RtCt
monostable multivibrator
pos. edge-triggering
neg. edge-triggering
retriggerable
external count down(1)
4, 14
4, 8, 14
4, 14
14
5, 6, 7, 9, 12
5, 7, 9, 12
5, 6, 7, 9
5, 6, 7, 8, 9, 12
8
6
8, 12
−
10, 11
10, 11
10, 11
10, 11
at pins 10, 11:
tM = 2,48 RtCt
Notes
1. Input pulse to RESET of external counting chip; external counting chip output to pin 4.
2. In all cases, external resistor between pins 2 and 3, external capacitor between pins 1 and 3.
DC CHARACTERISTICS
VSS = 0 V; inputs at VSS or VDD
VDD
V
Leakage current
pin 3; output
15
transistor OFF
SYMBOL
Tamb (°C)
−40
+ 25
+ 85
MAX. MIN. MAX. MAX.
I3
0,3
−
0,3
1
µA
pin 3 at
VDD or VSS
January 1995
5
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