name: TDA8540 function: 4x4 Video Switch Matrix package: SOT146EE7, SOT163A,20 manufacturer: Signetics added-by: James Oakley +--()--+ OUT2 | 1 20| GND(D) D0 | 2 19| SDA OUT3 | 3 18| SCL Vd23 | 4 17| D1 S2 | 5 16| OUT0 IN0 | 6 15| Vd01 S1 | 7 14| OUT1 IN1 | 8 13| Vcc GND(A) | 9 12| IN3 IN2 |10 11| S0 +------+ This information was added by a third party and may be incorrect. This pinout came from the Chipdir: http://www.chipdir.org/