CD4002BE

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Gates
• Characteristics: Dual 4-input NOR gate
• Package: PDIP-14 (Plastic Dual In-line Package)
• Essence: The CD4002BE is a versatile logic gate IC that combines two independent 4-input NOR gates in a single package.
• Packaging/Quantity: Available in tubes or reels, with quantities varying based on manufacturer and distributor.

Specifications

• Supply Voltage: 3V to 18V
• Logic Family: CMOS (Complementary Metal-Oxide-Semiconductor)
• Operating Temperature Range: -55°C to 125°C
• Propagation Delay: Typically 60ns at 5V supply voltage
• Input Current: ±1µA maximum at 18V supply voltage
• Output Current: ±8mA maximum at 18V supply voltage

Pin Configuration

The CD4002BE has a total of 14 pins, which are assigned specific functions as follows:

Pin 1: Input A1 Pin 2: Input B1 Pin 3: Input C1 Pin 4: Input D1 Pin 5: Output Y1 Pin 6: Output Y2 Pin 7: Ground (GND) Pin 8: Output Y3 Pin 9: Output Y4 Pin 10: Input D2 Pin 11: Input C2 Pin 12: Input B2 Pin 13: Input A2 Pin 14: VCC (Positive Power Supply)

Functional Features

• Dual 4-input NOR gates allow for flexible logic operations.
• Wide supply voltage range enables compatibility with various systems.
• Low power consumption due to CMOS technology.
• High noise immunity and low output impedance.

Advantages

• Compact design with multiple logic gates in a single package.
• Versatile functionality for various digital logic applications.
• Wide operating temperature range allows for use in extreme conditions.
• Low power consumption makes it suitable for battery-powered devices.

Disadvantages

• Propagation delay may limit its use in high-speed applications.
• Limited number of inputs compared to other ICs.
• Not suitable for analog signal processing.

Working Principles

The CD4002BE is based on CMOS technology, which utilizes complementary pairs of MOSFET transistors to implement logic functions. In the case of the CD4002BE, each NOR gate consists of four inputs and one output. The gates operate by performing a logical NOR operation on the input signals and providing the result at the output.

Detailed Application Field Plans

The CD4002BE can be used in various digital logic applications, including but not limited to:

1. Arithmetic circuits
2. Data processing systems
3. Control systems
4. Memory address decoding
5. Clock synchronization circuits

Alternative Models

There are several alternative models available that offer similar functionality to the CD4002BE. Some popular alternatives include:

1. CD4001BE: Quad 2-input NOR gate
2. CD4011BE: Quad 2-input NAND gate
3. CD4071BE: Quad 2-input OR gate
4. CD4081BE: Quad 2-input AND gate

These alternative models provide different combinations of logic gates to suit specific application requirements.

In conclusion, the CD4002BE is a versatile logic gate IC that combines two independent 4-input NOR gates in a single package. It offers a wide supply voltage range, low power consumption, and compact design. While it has limitations in terms of propagation delay and number of inputs, it finds applications in various digital logic systems. Alternative models with different gate configurations are also available to cater to specific needs.