name: 555 function: OSCILATOR package: DIP,8 manufacturer: SIGNETICS added-by: ROBERTO RAMIREZ +--()--+ GND | 1 8| VCC TRIG | 2 7| TRES OUT | 3 6| CNT VCC | 4 5| DESCH +------+ This information was added by a third party and may be incorrect. This pinout came from the Chipdir: http://www.chipdir.org/