4066 is a Quad Bilateral Switch IC in a DIP-14 package, featuring four independent analog/digital switches with low on-resistance for signal multiplexing.
4077 XNOR Gate is a versatile CMOS logic IC featuring four independent 2-input XNOR gates, ideal for digital logic applications requiring equality detection and parity checking.
4094 is a 8-stage serial-in/parallel-out shift register with latch and three-state outputs in a 16-pin through-hole DIP package for digital data storage and bus interfacing.