CD4078 belongs to the 4000 Series CMOS Logic Family of Integrated Circuits (IC’s) constructed with N- and P-channel enhancement mode transistors. CD4078 has 8-Input NOR/OR Gate
CD4078 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.
CD4078 Features
- High-Voltage Types (20V Rating)
- Buffered Inputs and Outputs
- Standard Symmetrical Output Characteristics
- 100% Tested for Maximum Quiescent Current at 20V
- 5V, 10V, and 15V Parametric Ratings
- Maximum Input Current of 1μA at 18V Over Full Package Temperature Range; 100nA at 18V and +25oC
- Noise Margin (Over Full Package Temperature Range):
- 1V at VDD = 5V
- 2V at VDD = 10V
- 2.5V at VDD = 15V
CD4078 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
CD4078 Pinout Diagram
CD4078 Pin Description
| Pin No | Pin Name | Description |
| 1 | K=(A+B+C+D+E+F+G+H) | Output Of OR Gate |
| 2 | A | Input 1 Of NOR/OR Gate |
| 3 | B | Input 2 Of NOR/OR Gate |
| 4 | C | Input 3 Of NOR/OR Gate |
| 5 | D | Input 4 Of NOR/OR Gate |
| 6 | NC | No Connection |
| 7 | VSS | Supply Voltage |
| 8 | NC | No Connection |
| 9 | E | Input 5 Of NOR/OR Gate |
| 10 | F | Input 6 Of NOR/OR Gate |
| 11 | G | Input 7 Of NOR/OR Gate |
| 12 | H | Input 8 Of NOR/OR Gate |
| 13 | J=(A+B+C+D+E+F+G+H)’ | Output Of NOR Gate |
| 14 | VDD | Drain Voltage |
CD4078 Circuit
Applications
- Mixer tank
- An intrusion detection
- Alarm system
CD4078 Alternative Equivalent
CD4001, CD4002, CD4025
Download CD4078 8-Input NOR/OR Gate Datasheet from the link given below.
