MM1188 Overview
Pin no. 1 9 Pin name IN3 IN2 Function Input 3 Input 2 Internal equivalent circuit diagram 2 3 8 VCC SW1 SW2 Power supply Switch 1 Switch 2 4 OUT Output 5 6 GND IN1-Y Ground Input 1 (luminance signal or posite signal) MITSUMI 3-Input 1-Output Video Switch.