NA556, NE556, SA556, SE556
DUAL PRECISION TIMERS
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SLFS023G–APRIL 1978–REVISED JUNE 2006
APPLICATION INFORMATION
V
CC
V
CC
(5 V to 15 V)
(5 V to 15 V)
Open
(see Note A)
0.01 µF
R
A
CONT
RESET
DISCH
V
CC
R
R
A
CONT
RESET
DISCH
V
CC
R
L
R
L
OUT
OUT
OUT
B
OUT
THRES
TRIG
THRES
TRIG
GND
Input
GND
C
C
NOTE A: Bypassing the control-voltage input to ground with a
capacitor might improve operation. This should be evaluated
for individual applications.
Figure 1. Circuit for Astable Operation
Figure 2. Circuit for Monostable Operation
6
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