name: FT639 function: 2400bps serial commanded Servo Motor Controller package: 8-Lead Plastic Dual In-line (P) – 300 mil,8 manufacturer: FerretTronics added-by: Chuck Rice comment: http://www.FerretTronics.com/ +--()--+ V++ | 1 8| Gnd 5 | 2 7| 1 4 | 3 6| 2 Com (2400bps) | 4 5| 3 +------+ This information was added by a third party and may be incorrect. This pinout came from the Chipdir: http://www.chipdir.org/