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CD40147BMT

CD40147BMT

Product Overview

Category

CD40147BMT belongs to the category of integrated circuits (ICs).

Use

It is commonly used in electronic circuits for data encoding and decoding purposes.

Characteristics

  • CD40147BMT is a 10-line to 4-line priority encoder.
  • It operates on a supply voltage range of 3V to 18V.
  • The device has a high noise immunity due to its CMOS technology.
  • It offers a wide operating temperature range of -55°C to +125°C.

Package

CD40147BMT is available in a standard SOIC (Small Outline Integrated Circuit) package.

Essence

The essence of CD40147BMT lies in its ability to encode 10 input lines into a 4-bit binary output, based on the priority of the inputs.

Packaging/Quantity

The product is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

  • Supply Voltage Range: 3V to 18V
  • Operating Temperature Range: -55°C to +125°C
  • Input Lines: 10
  • Output Lines: 4
  • Package Type: SOIC

Detailed Pin Configuration

  1. A0 - Input Line 0
  2. A1 - Input Line 1
  3. A2 - Input Line 2
  4. A3 - Input Line 3
  5. A4 - Input Line 4
  6. A5 - Input Line 5
  7. A6 - Input Line 6
  8. A7 - Input Line 7
  9. A8 - Input Line 8
  10. A9 - Input Line 9
  11. GND - Ground
  12. EO - Enable Output
  13. E1 - Enable Input 1
  14. E2 - Enable Input 2
  15. E3 - Enable Input 3
  16. Y0 - Output Line 0
  17. Y1 - Output Line 1
  18. Y2 - Output Line 2
  19. Y3 - Output Line 3
  20. VDD - Supply Voltage

Functional Features

  • CD40147BMT prioritizes the input lines based on their significance and generates a binary output accordingly.
  • It has an enable output (EO) pin that allows the user to control the output state.
  • The device operates on a wide supply voltage range, making it suitable for various applications.

Advantages and Disadvantages

Advantages

  • High noise immunity due to CMOS technology.
  • Wide operating temperature range.
  • Compact SOIC package for space-saving designs.
  • Versatile application possibilities.

Disadvantages

  • Limited number of output lines (4).
  • Requires external enable inputs for proper functionality.

Working Principles

CD40147BMT works by assigning priority to the input lines based on their order. The highest priority input line with a logic high signal will be encoded into the corresponding binary output. The enable inputs (E1, E2, E3) control the output state, while the enable output (EO) allows the user to enable or disable the output.

Detailed Application Field Plans

CD40147BMT finds applications in various fields, including: 1. Data encoding and decoding systems. 2. Priority-based selection circuits. 3. Address encoding in memory systems. 4. Industrial automation and control systems. 5. Communication equipment.

Detailed and Complete Alternative Models

Some alternative models to CD40147BMT include: 1. CD74HC147E - High-speed CMOS 10-to-4 line priority encoder. 2. SN74LS148N - TTL 8-line to 3-line priority encoder. 3. CD4028BE - CMOS BCD-to-decimal decoder.

These alternative models offer similar functionality and can be used as substitutes for CD40147BMT in various applications.

Word count: 536 words

প্রযুক্তিগত সমাধানে CD40147BMT এর প্রয়োগ সম্পর্কিত 10টি সাধারণ প্রশ্ন ও উত্তর তালিকাভুক্ত করুন

Sure! Here are 10 common questions and answers related to the application of CD40147BMT in technical solutions:

  1. Q: What is CD40147BMT? A: CD40147BMT is a BCD-to-Seven Segment Decoder/Driver IC, commonly used in digital display applications.

  2. Q: What is the purpose of CD40147BMT? A: CD40147BMT converts Binary Coded Decimal (BCD) inputs into signals that can drive a seven-segment display.

  3. Q: How many inputs does CD40147BMT have? A: CD40147BMT has four BCD input lines (A, B, C, D) and an active-low Ripple Blanking Input (BI).

  4. Q: What is the maximum frequency at which CD40147BMT can operate? A: CD40147BMT can operate at frequencies up to 6 MHz.

  5. Q: Can CD40147BMT directly drive a seven-segment display? A: No, CD40147BMT requires additional external components like current-limiting resistors to drive a seven-segment display.

  6. Q: How many outputs does CD40147BMT have? A: CD40147BMT has ten outputs (a-g, and DP) corresponding to the segments of a seven-segment display.

  7. Q: What is the function of the Ripple Blanking Input (BI)? A: The BI input allows for blanking or dimming of the display by disabling all the outputs when it is low.

  8. Q: Can CD40147BMT be cascaded to drive multiple seven-segment displays? A: Yes, CD40147BMT can be cascaded to drive multiple displays by connecting the outputs of one IC to the inputs of another.

  9. Q: What is the power supply voltage range for CD40147BMT? A: CD40147BMT operates with a power supply voltage range of 3V to 18V.

  10. Q: Are there any specific precautions to consider when using CD40147BMT? A: Yes, it is important to ensure that the maximum ratings for voltage and current are not exceeded, and proper decoupling capacitors should be used for stable operation.

Please note that these answers are general and may vary depending on the specific application and circuit design.