name: MC145440 function: Filter package: DIP,18 manufacturer: Motorola added-by: Morgan Grammer comment: Communications/Modem +--()--+ Vag | 1 18| Vdd Tx0 | 2 17| A+ Tx1 | 3 16| A0 ST | 4 15| A- VRef | 5 14| Rx1 Clk Sel | 6 13| Rx0 C1 | 7 12| O/A C2 | 8 11| CO Vss | 9 10| Vls +------+ This information was added by a third party and may be incorrect. This pinout came from the Chipdir: http://www.chipdir.org/