The BA7021 is a switching IC developed for use in VCRs and televisions. It contains a three-channel analog multiplexer, a built-in mute, and video clamp.
FEATUREs
1) 3-input / 1-output.
2) Built-in video clamp circuit.
3) Built-in mute circuit.
4) Operates of a 5V (Typ.) power supply and has low power consumption.
APPLICATIONs
Video cassette recorders, televisions and video disc players