Integrated Circuits

556
Dual timer
PDF datasheet
       
DIS 1 1  • 14 Vcc
THR 1 2 13 DIS 2
CV 1 3 12 THR 2
RESET 1 4 11 CV 2
OUT 1 5 10 RESET 2
TRIG 1 6 9 OUT 2
GND 7 8 TRIG 2
       
Pin Symbol Description
1 DIS 1 discharge (timer 1)
2 THR 1 threshold (timer 1)
3 CV 1 control voltage (timer 1)
4 RESET 1 reset (active low, timer 1)
5 OUT 1 output (timer 1)
6 TRIG 1 trigger (timer 1)
7 GND ground
8 TRIG 2 trigger (timer 2)
9 OUT 2 output (timer 2)
10 RESET 2 reset (active low, timer 2)
11 CV 2 control voltage (timer 2)
12 THR 2 threshold (timer 2)
13 DIS 2 discharge (timer 2)
14 Vcc supply voltage

Notes
  • The 556 contains two 555 timers.

Note
Data is maintained by an independent source and accuracy is not guaranteed. Check with the manufacturer's datasheet for up-to-date information.

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