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74HC147DB,112
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74HC147DB,112

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Encoder
  • Characteristics: High-speed operation, low power consumption
  • Package: SOIC (Small Outline Integrated Circuit)
  • Essence: Converts parallel data into serial data
  • Packaging/Quantity: Tape and reel, 2500 pieces per reel

Specifications

  • Supply Voltage: 2V to 6V
  • Input Voltage: 0V to VCC
  • Output Voltage: 0V to VCC
  • Operating Temperature Range: -40°C to +125°C
  • Maximum Clock Frequency: 25 MHz
  • Number of Inputs: 9
  • Number of Outputs: 4

Detailed Pin Configuration

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

Functional Features

The 74HC147DB,112 is an encoder IC that converts parallel data inputs into a serial output. It has nine input pins (A0-A7) for the parallel data and four output pins (Y0-Y3) for the serial output. The IC operates at high speed and consumes low power, making it suitable for various applications.

Advantages and Disadvantages

Advantages: - High-speed operation - Low power consumption - Compact SOIC package - Wide operating temperature range

Disadvantages: - Limited number of inputs and outputs - Requires external clock signal

Working Principles

The 74HC147DB,112 works by encoding the parallel data inputs into a serial output based on the input configuration. The inputs are read in parallel, and the encoded output is generated based on the logic levels of the inputs. The IC requires an external clock signal to synchronize the encoding process.

Detailed Application Field Plans

The 74HC147DB,112 can be used in various applications that require encoding of parallel data into a serial format. Some potential application fields include:

  1. Communication Systems: Used for encoding data in communication protocols such as UART (Universal Asynchronous Receiver-Transmitter) or SPI (Serial Peripheral Interface).
  2. Data Logging: Used in data logging systems to convert multiple sensor inputs into a serial stream for storage or transmission.
  3. Industrial Automation: Employed in industrial automation systems to encode control signals for motor control or process monitoring.
  4. Robotics: Integrated into robotic systems to convert sensor data into a serial format for processing and decision-making.

Detailed and Complete Alternative Models

Some alternative models to the 74HC147DB,112 encoder IC are:

  1. 74LS147: Low-power Schottky version of the encoder IC.
  2. CD4028: BCD-to-decimal decoder IC with similar functionality.
  3. SN74HC148: 8-line to 3-line priority encoder IC with additional features.

These alternative models offer similar encoding capabilities but may have different specifications, pin configurations, or package options.

Word count: 389 words

技術ソリューションにおける 74HC147DB,112 の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of 74HC147DB,112 in technical solutions:

1. What is the function of the 74HC147DB,112? The 74HC147DB,112 is a 10-to-4 line priority encoder IC. It converts 10 input lines into a 4-bit binary output based on the highest priority active input.

2. What is the supply voltage range for the 74HC147DB,112? The supply voltage range for the 74HC147DB,112 is typically between 2V and 6V.

3. How many input lines does the 74HC147DB,112 have? The 74HC147DB,112 has 10 input lines.

4. How many output lines does the 74HC147DB,112 have? The 74HC147DB,112 has 4 output lines.

5. What is the maximum operating frequency of the 74HC147DB,112? The maximum operating frequency of the 74HC147DB,112 is typically around 50 MHz.

6. Can the 74HC147DB,112 be used with both TTL and CMOS logic levels? Yes, the 74HC147DB,112 is compatible with both TTL and CMOS logic levels.

7. How does the priority encoding work in the 74HC147DB,112? The 74HC147DB,112 assigns priority to the input lines based on their numerical value. The highest priority active input will be encoded and reflected in the output.

8. Can the 74HC147DB,112 be cascaded to handle more than 10 inputs? Yes, multiple 74HC147DB,112 ICs can be cascaded together to handle more than 10 inputs.

9. What is the typical propagation delay of the 74HC147DB,112? The typical propagation delay of the 74HC147DB,112 is around 15 ns.

10. Can the 74HC147DB,112 be used in applications other than priority encoding? Yes, the 74HC147DB,112 can also be used for other purposes like data selection, address decoding, and code conversion.

Please note that the specific details and characteristics may vary depending on the manufacturer's datasheet and specifications.