CD74HC147PWR

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Encoder
• Characteristics: High-speed operation, low power consumption
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Encodes 10-line to 4-line priority encoder
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 2V to 6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Maximum Quiescent Current: 8µA at 5.5V
• Maximum Propagation Delay: 25ns at 6V

Detailed Pin Configuration

1. GND (Ground)
2. A0 (Input Line A0)
3. A1 (Input Line A1)
4. A2 (Input Line A2)
5. A3 (Input Line A3)
6. A4 (Input Line A4)
7. A5 (Input Line A5)
8. A6 (Input Line A6)
9. A7 (Input Line A7)
10. A8 (Input Line A8)
11. VCC (Supply Voltage)
12. Y0 (Output Line Y0)
13. Y1 (Output Line Y1)
14. Y2 (Output Line Y2)
15. Y3 (Output Line Y3)

Functional Features

• Encodes 10-line inputs into 4-line outputs
• Priority encoding ensures that only the highest priority input is encoded
• High-speed operation allows for quick encoding of input signals
• Low power consumption makes it suitable for battery-powered devices

Advantages

• Compact package size saves board space
• Wide supply voltage range allows for flexibility in different applications
• High-speed operation enables real-time encoding of input signals
• Low power consumption prolongs battery life in portable devices

Disadvantages

• Limited number of input lines (10) and output lines (4)
• Not suitable for applications requiring more than 10 inputs to be encoded

Working Principles

The CD74HC147PWR is a priority encoder that encodes 10-line inputs into 4-line outputs. It uses priority encoding, which means that only the highest priority input is encoded. The IC operates at high speed and consumes low power, making it suitable for various applications.

Detailed Application Field Plans

1. Data transmission systems: The CD74HC147PWR can be used in data transmission systems to encode multiple input signals into a smaller number of output lines, reducing the complexity of the system.
2. Industrial automation: In industrial automation, the IC can be employed to prioritize and encode various sensor inputs, enabling efficient control and monitoring of processes.
3. Robotics: The CD74HC147PWR can be utilized in robotics to encode multiple sensor inputs and prioritize them based on their importance, facilitating effective decision-making by the robot.

Detailed and Complete Alternative Models

1. CD74HC148PWR: Similar to CD74HC147PWR but encodes 8-line inputs into 3-line outputs.
2. CD74HC149PWR: Similar to CD74HC147PWR but encodes 16-line inputs into 4-line outputs.
3. CD74HC151PWR: Similar to CD74HC147PWR but encodes 8-line inputs into 1-line output.

(Note: These alternative models are not exhaustive and there may be other options available in the market.)

In conclusion, the CD74HC147PWR is a high-speed, low-power priority encoder IC that encodes 10-line inputs into 4-line outputs. It finds applications in various fields such as data transmission systems, industrial automation, and robotics. While it has limitations in terms of the number of input and output lines, there are alternative models available to suit different requirements.