CD4539 belongs to the 4000 Series CMOS Logic Family of Integrated Circuits (IC’s) constructed with N- and P-channel enhancement mode transistors. CD4539 has a Dual 4-input multiplexer
CD4539 has a supply voltage range of 5V to 20V, which is much higher than any contemporary logic family. It has buffered output which improves transfer characteristics by providing very high gain. All inputs are protected against static discharge with diodes to VDD and VSS.

CD4539 Features
- High-Voltage Types (20V Rating)
- Propagation Delay Time = 60ns (Typ.) at CL = 50pF, VDD = 10V
- Buffered Inputs and Outputs
- Standard Symmetrical Output Characteristics
- 100% Tested for Maximum Quiescent Current at 20V
- 5V, 10V, and 15V Parametric Ratings
CD4539 Specifications
Absolute Maximum Ratings
- DC Supply Voltage Range, (VDD): -0.5V to +20V (Voltage Referenced to VSS Terminals)
- Input Voltage Range, All Inputs: -0.5V to VDD +0.5V
- DC Input Current, Any One Input: ±10mA
- Operating Temperature Range: -55oC to +125oC Package Types D, F, K, H
- Storage Temperature Range (TSTG): -65oC to +150oC
- Lead Temperature (During Soldering): +265oC
- At Distance 1/16 ± 1/32 Inch (1.59mm ± 0.79mm) from case for 10s Maximum
CD4539 Pinout Diagram

CD4539 Pin Description
Pin No | Pin Name | Description |
1 | EA’ | Low Enable Input A |
2 | S1 | Select Input 2 |
3 | I3A | Multiplexer A Input 4 |
4 | I2A | Multiplexer A Input 3 |
5 | I1A | Multiplexer A Input 3 |
6 | I0A | Multiplexer A Input 1 |
7 | OA | Multiplexer Output A |
8 | VSS | Supply Voltage |
9 | OB | Multiplexer Output B |
10 | I0B | Multiplexer B Input 1 |
11 | I1B | Multiplexer B Input 2 |
12 | I2B | Multiplexer B Input 3 |
13 | I3B | Multiplexer B Input 4 |
14 | S0 | Select Input 1 |
15 | EB’ | Low Enable Input B |
16 | VDD | Drain Voltage |
CD4539 Circuit
Applications
- Multiple data can be transmitted using a single line
CD4539 Alternative Equivalent
CD4051, CD4052
Download CD4539-Dual 4-input multiplexer Datasheet from the link given below.