CD4067 16-channel Analog Multiplexer/Demultiplexer

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CD4067 is a part of the CD4000 IC series. CD4067 CMOS analog multiplexers/DE multiplexers are digitally controlled analog switches having low ON impedance, low OFF leakage current, and internal address decoding. The CD4067 is a 16-channel multiplexer with four binary control inputs, A, B, C, D, and an inhibit input, arranged so that any combination of the inputs selects one switch. A logic “1” present at the inhibit input turns all channels off. The IC is designed to operate over a temperature range of 0 to 70°C. The output of the IC always comes in TTL which makes it easy to work with other TTL devices and microcontrollers. The IC also constitutes a wide array of features such as thermal overload protection & ESD protection. Multiplexer A multiplexer is a combinational logic circuit that switches one of several input lines to a single common output line. The select lines determine which input is connected to the output, and also to increase the amount of data that can be sent over a network within a certain time. It is also called a data selector. Demultiplexer A decoder/demultiplexer is a combinational logic circuit & an integral part of todays consumer scale electronics. It is designed to switch one common input line to one of several separate output lines. So, A demultiplexer converts a serial data signal at the input to a parallel data at its output lines. CD4067 Key Features Very low quiescent power dissipation under all digital-control input and supply conditions: 0.2 uW (typ.) @ V DD – V SS = 10 V Low ON resistance: 125 (typ.) over 15 V p-p signal-input range for V DD – V SS = 15 V High OFF resistance: channel leakage of ±10 PA (typ.) @ V DD – V SS = 10 V Matched switch characteristics: R ON = 5 (typ.) for V DD – V SS = 15 V Binary address decoding on chip 5-V, 10-V, and 15-V parametric ratings 100% tested for quiescent current at 20 V CD4067 Pinout Pin No Pin Name Description 1 COMMON IN-OUT PIN Common Input / Output Pin 2 7 Input / Output Pin 7 3 6 Input / Output Pin 6 4 5 Input / Output Pin 5 5 4 Input / Output Pin 4 6 3 Input / Output Pin 3 7 2 Input / Output Pin 2 8 1 Input / Output Pin 1 9 0 Input / Output Pin 0 10 A Selection Bit A 11 B Selection Bit B 12 VSS Source Supply 13 D Selection Bit D 14 C Selection Bit C 15 INHIBIT Enable / Disable Signal 16 15 Input / Output Pin 15 17 14 Input / Output Pin 14 18 13 Input / Output Pin 13 19 12 Input / Output Pin 12 20 11 Input / Output Pin 11 21 10 Input / Output Pin 10 22 9 Input / Output Pin 9 23 8 Input / Output Pin 8 24 VDD Drain supply Application Analog and digital multiplexing and demultiplexing A/D and D/A conversion Signal gating CD4067 Datasheet You can download the datasheet for CD4067 16-channel Analog Multiplexer/Demultiplexer IC from the link given below: Download datasheet