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CD74HCT193E
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CD74HCT193E

Product Overview

Category

CD74HCT193E belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in digital electronic circuits for counting and controlling purposes.

Characteristics

  • High-speed operation
  • Wide operating voltage range
  • Low power consumption
  • Compatibility with TTL inputs
  • Output capability: 4 LSTTL loads

Package

CD74HCT193E is available in a 16-pin dual in-line package (DIP).

Essence

The essence of CD74HCT193E lies in its ability to perform synchronous binary up/down counting operations.

Packaging/Quantity

CD74HCT193E is typically packaged in tubes or reels, with quantities varying based on customer requirements.

Specifications

  • Supply voltage: 2V to 6V
  • High-level input voltage: 2V
  • Low-level input voltage: 0.8V
  • High-level output current: -4mA
  • Low-level output current: 4mA
  • Operating temperature range: -55°C to +125°C

Detailed Pin Configuration

  1. Clock Enable (CE)
  2. Parallel Load (PL)
  3. Up/Down (U/D)
  4. Clock (CLK)
  5. Data A (QA)
  6. Data B (QB)
  7. Data C (QC)
  8. Data D (QD)
  9. Carry Out (CO)
  10. Borrow Out (BO)
  11. Ground (GND)
  12. Data E (QE)
  13. Data F (QF)
  14. Data G (QG)
  15. Data H (QH)
  16. VCC

Functional Features

  • Synchronous counting operation
  • Asynchronous parallel load capability
  • Up/down control functionality
  • Carry and borrow outputs for cascading multiple ICs
  • Schmitt-trigger inputs for noise immunity

Advantages and Disadvantages

Advantages

  • High-speed operation allows for efficient counting in digital circuits.
  • Wide operating voltage range provides flexibility in various applications.
  • Low power consumption helps conserve energy.
  • Compatibility with TTL inputs enables easy integration into existing systems.
  • Output capability of 4 LSTTL loads ensures driving multiple devices.

Disadvantages

  • Limited number of available outputs (8 in total).
  • Not suitable for applications requiring higher count ranges.

Working Principles

CD74HCT193E operates based on synchronous binary up/down counting principles. The clock input (CLK) triggers the counting operation, while the Up/Down (U/D) input determines the direction of counting. The Parallel Load (PL) input allows for loading a specific count value asynchronously. The carry and borrow outputs enable cascading multiple ICs for extended counting ranges.

Detailed Application Field Plans

CD74HCT193E finds applications in various fields, including: 1. Digital frequency dividers 2. Industrial automation systems 3. Counter circuits in electronic test equipment 4. Automotive electronics 5. Communication systems 6. Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to CD74HCT193E include: 1. SN74HCT193N 2. MC74HCT193AN 3. HEF40193BP 4. CD40193BE 5. 74HC193D

These alternatives offer similar functionality and can be used as replacements depending on specific requirements.

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Luettele 10 yleistä kysymystä ja vastausta, jotka liittyvät CD74HCT193E :n soveltamiseen teknisissä ratkaisuissa

Sure! Here are 10 common questions and answers related to the application of CD74HCT193E in technical solutions:

  1. Q: What is CD74HCT193E? A: CD74HCT193E is a high-speed CMOS device that functions as a synchronous, presettable, binary up/down counter.

  2. Q: What is the maximum clock frequency supported by CD74HCT193E? A: CD74HCT193E can operate at a maximum clock frequency of 25 MHz.

  3. Q: Can CD74HCT193E be used as a standalone counter or does it require additional components? A: CD74HCT193E can be used as a standalone counter, but it may require additional components depending on the specific application requirements.

  4. Q: What is the power supply voltage range for CD74HCT193E? A: CD74HCT193E operates with a power supply voltage range of 2V to 6V.

  5. Q: How many bits can CD74HCT193E count up to? A: CD74HCT193E is a 4-bit counter, so it can count up to 15 (1111 in binary) before rolling over.

  6. Q: Can CD74HCT193E count both up and down? A: Yes, CD74HCT193E can count both up and down based on the input signals provided.

  7. Q: What is the propagation delay of CD74HCT193E? A: The typical propagation delay of CD74HCT193E is around 13 ns.

  8. Q: Does CD74HCT193E have any built-in asynchronous clear functionality? A: No, CD74HCT193E does not have a built-in asynchronous clear functionality. It requires external circuitry for clearing the counter.

  9. Q: Can CD74HCT193E be cascaded to create larger counters? A: Yes, multiple CD74HCT193E devices can be cascaded together to create larger counters with more bits.

  10. Q: What are some typical applications of CD74HCT193E? A: CD74HCT193E is commonly used in applications such as frequency division, event counting, timekeeping, and general-purpose counting tasks.

Please note that these answers are general and may vary depending on the specific implementation and requirements of your technical solution.