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CD4016 - Quad Bilateral Switch IC
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The CD4x Series CD4016 is a quad bilateral switch intended for the transmission or multiplexing of analog or digital signals. It is pin-for-pin compatible with CD4066B.
The CD4016 is a CMOS IC with four analog switches, which can be controlled individually using a control pin. The signal can flow in either direction between the two pins of each switch.
Each switch has an enable pin (A) and two input/output pins (X and Y). When the enable pin is set to HIGH, current can flow between X and Y in either direction. However, when enable is LOW, no current can flow between the pins. Just like a switch.

Pinout of CD4016 IC
| Pin Name | Pin # | Type | Description |
|---|---|---|---|
| VDD | 14 | Power | Supply Voltage (+3 to +15V) |
| GND | 7 | Power | Ground (0V) |
| A1-A4 | 5,6,12,13 | Input | Enable pins for the four bilateral switches |
| X1-X4 | 1,3,9,11 | Input/Output | Pin X for each switch |
| Y1-Y4 | 2,4,8,10 | Input/Output | Pin Y for each switch |
Selected qty of IC - CD4016
| VDD Supply Voltage | ?0.5V to +18V |
| VIN Input Voltage | ?0.5V to VDD + 0.5V |
| TS Storage Temperature Range | ?65°C to + 150°C |
| Power Dissipation (PD): Dual-In-Line | 700 mW |
| Lead Temperature | 260°C |