Datasheet

NE556, SA556, SE556
DUAL PRECISION TIMERS
SLFS023E – APRIL 1978 – REVISED OCTOBER 2000
5
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
APPLICATION INFORMATION
R
B
C
R
A
Open
(see Note A)
R
L
OUT
V
CC
(5 V to 15 V)
V
CC
CONT
RESET
DISCH
THRES
TRIG
GND
OUT
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
R
A
R
L
OUT
V
CC
(5 V to 15 V)
V
CC
CONT
RESET
DISCH
THRES
TRIG
GND
OUT
Input
0.01 µF
Figure 2. Circuit for Monostable Operation
C