CD4028BCN

Product Overview

Category

CD4028BCN belongs to the category of integrated circuits (ICs).

Use

It is commonly used as a BCD-to-decimal decoder in various electronic applications.

Characteristics

• CD4028BCN is a CMOS-based IC.
• It operates on a wide voltage range, typically from 3V to 18V.
• The IC has a low power consumption and high noise immunity.
• It is designed to be compatible with most TTL and CMOS logic families.

Package

CD4028BCN is available in a 16-pin dual in-line package (DIP).

Essence

The essence of CD4028BCN lies in its ability to convert binary-coded decimal (BCD) inputs into corresponding decimal outputs.

Packaging/Quantity

CD4028BCN is typically sold in reels or tubes containing multiple units. The exact quantity may vary depending on the supplier.

Specifications

• Supply Voltage: 3V to 18V
• Input Type: BCD
• Output Type: Decimal
• Number of Inputs: 4
• Number of Outputs: 10
• Operating Temperature Range: -55°C to +125°C

Detailed Pin Configuration

1. VCC - Positive power supply
2. A - BCD input A
3. B - BCD input B
4. C - BCD input C
5. D - BCD input D
6. LT - Lamp test input (active low)
7. BI/RBO - Blanking input/ripple blanking output
8. RBI - Ripple blanking input
9. E - Enable input (active low)
10. F - Decimal output F
11. G - Decimal output G
12. H - Decimal output H
13. I - Decimal output I
14. J - Decimal output J
15. K - Decimal output K
16. GND - Ground

Functional Features

• CD4028BCN decodes the BCD inputs and activates the corresponding decimal outputs.
• It includes a lamp test input for testing purposes.
• The IC features ripple blanking, which allows temporary suppression of the outputs.
• An enable input is provided to control the operation of the decoder.

Advantages and Disadvantages

Advantages

• Wide operating voltage range allows compatibility with various systems.
• Low power consumption makes it suitable for battery-powered devices.
• High noise immunity ensures reliable performance in noisy environments.
• Compatible with both TTL and CMOS logic families, providing versatility in circuit design.

Disadvantages

• Limited number of inputs and outputs restricts its application in complex systems.
• Lack of built-in protection features may require additional circuitry for robust operation.

Working Principles

CD4028BCN operates by receiving BCD inputs (A, B, C, D) and converting them into corresponding decimal outputs (F, G, H, I, J, K). The decoder uses internal logic gates to decode the BCD inputs and activate the appropriate output lines based on the input combination. The lamp test input, ripple blanking input, and enable input provide additional control and functionality.

Detailed Application Field Plans

CD4028BCN finds applications in various electronic systems, including but not limited to: - Digital clocks and timers - Counters and frequency dividers - Data encoding and decoding circuits - Multiplexers and demultiplexers - Seven-segment display drivers

Detailed and Complete Alternative Models

Some alternative models that can be used as substitutes for CD4028BCN include: - CD74HC4511E - SN74LS47N - MC14511BCL - HEF4028BP

These alternatives offer similar functionality and can be used interchangeably in most applications.

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