MM1228 switch equivalent, (mm1221 - mm1228) 2-input 1-output video switch.
1. 2. 3. 4. 5. 6. 7. 8. 9. Built-in 75Ω driver circuit Built-in 6dB amp Built-in clamp circuit Models in the MM1221~MM1228 series without a clamp circuit can support audi.
1. 2. 3. 4. TV VCR Video cameras Other video equipment
Block Diagram
Control input truth table SW1 L H L/H SW2 L L H O.
Pin no. 1 3 5 Pin name IN1 IN2 IN3 Function Input Internal equivalent circuit diagram
2 4
SW1 SW2
Switch
7
OUT
Output
6 8
VCC GND
Power supply Ground
MITSUMI
2-Input 1-Output Video Switch (W/75Ω driver)/3-Input 1-Output Video Switch (W/75Ω.
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