name: NE558N function: Quad Timer package: DIP,16 manufacturer: Philips added-by: Jerry Black +--()--+ Out A | 1 16| Out D Timing A | 2 15| Timing D Trigger A | 3 14| Trigger D Volt Control | 4 13| Reset Vcc | 5 12| Ground Trigger B | 6 11| Trigger C Timing B | 7 10| Timing C Out B | 8 9| Out C +------+ This information was added by a third party and may be incorrect. This pinout came from the Chipdir: http://www.chipdir.org/