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CD74ACT646EN

CD74ACT646EN

Product Overview

Category

CD74ACT646EN belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used for signal conversion and level shifting in digital systems.

Characteristics

  • High-speed operation
  • Wide voltage range
  • Low power consumption
  • Compatibility with TTL logic levels
  • Schmitt-trigger inputs for noise immunity

Package

CD74ACT646EN is available in a 24-pin DIP (Dual In-line Package) or SOIC (Small Outline Integrated Circuit) package.

Essence

The essence of CD74ACT646EN lies in its ability to convert and shift digital signals efficiently and reliably.

Packaging/Quantity

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

Specifications

  • Supply Voltage: 2V to 6V
  • Input Voltage: 0V to VCC
  • Output Voltage: 0V to VCC
  • Operating Temperature Range: -40°C to +85°C
  • Propagation Delay: 5ns (typical)
  • Output Current: ±24mA

Detailed Pin Configuration

  1. A1
  2. B1
  3. GND
  4. B2
  5. A2
  6. OE#
  7. DIR
  8. VCC
  9. I/O1
  10. I/O2
  11. I/O3
  12. I/O4
  13. I/O5
  14. I/O6
  15. I/O7
  16. I/O8
  17. GND
  18. LE#
  19. CLK
  20. GND
  21. I/O9
  22. I/O10
  23. I/O11
  24. I/O12

Functional Features

  • Bidirectional data transfer
  • Non-inverting outputs
  • Output enable control
  • Direction control
  • Latch enable control

Advantages and Disadvantages

Advantages

  • High-speed operation allows for efficient signal conversion.
  • Wide voltage range ensures compatibility with various digital systems.
  • Low power consumption contributes to energy efficiency.
  • Schmitt-trigger inputs provide noise immunity, enhancing reliability.

Disadvantages

  • Limited number of I/O pins (12 in total).
  • May require additional components for certain applications.

Working Principles

CD74ACT646EN operates by receiving input signals on the A1-A12 or B1-B12 pins, depending on the desired direction of data transfer. The DIR pin controls the direction, while the LE# pin enables latching of the input data. The CLK pin synchronizes the output data with the input data. The OE# pin enables or disables the outputs.

Detailed Application Field Plans

CD74ACT646EN finds applications in various fields, including: 1. Data communication systems 2. Industrial automation 3. Automotive electronics 4. Consumer electronics 5. Medical devices

Detailed and Complete Alternative Models

Some alternative models to CD74ACT646EN include: 1. SN74ACT646: Similar functionality, different manufacturer (Texas Instruments) 2. MC74ACT646: Similar functionality, different manufacturer (ON Semiconductor) 3. 74ACT646: Similar functionality, generic version

These alternative models offer similar features and can be used as substitutes based on availability and specific requirements.

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10个与CD74ACT646EN在技术解决方案中的应用相关的常见问题及解答

Sure! Here are 10 common questions and answers related to the application of CD74ACT646EN in technical solutions:

  1. Q: What is CD74ACT646EN? A: CD74ACT646EN is a type of octal bus transceiver with 3-state outputs, commonly used in digital systems.

  2. Q: What is the purpose of CD74ACT646EN? A: The purpose of CD74ACT646EN is to enable bidirectional transfer of data between two buses with different voltage levels or logic families.

  3. Q: What is the maximum operating voltage for CD74ACT646EN? A: CD74ACT646EN has a maximum operating voltage of 5.5V.

  4. Q: Can CD74ACT646EN handle level shifting between different voltage domains? A: Yes, CD74ACT646EN can handle level shifting between different voltage domains, making it suitable for interfacing between systems with different voltage requirements.

  5. Q: How many data lines can CD74ACT646EN handle? A: CD74ACT646EN can handle up to 8 data lines, as it is an octal (8-bit) bus transceiver.

  6. Q: Does CD74ACT646EN support 3-state outputs? A: Yes, CD74ACT646EN supports 3-state outputs, allowing multiple devices to share a common bus without interfering with each other.

  7. Q: What is the typical propagation delay of CD74ACT646EN? A: The typical propagation delay of CD74ACT646EN is around 6 ns.

  8. Q: Can CD74ACT646EN be used in high-speed applications? A: Yes, CD74ACT646EN is designed for high-speed operation and can be used in applications where fast data transfer is required.

  9. Q: Does CD74ACT646EN have any built-in protection features? A: Yes, CD74ACT646EN has built-in ESD (electrostatic discharge) protection to safeguard against damage from static electricity.

  10. Q: What are some common applications of CD74ACT646EN? A: CD74ACT646EN is commonly used in applications such as data communication systems, memory interfacing, bus arbitration, and general-purpose digital systems where bidirectional data transfer is required.

Please note that the answers provided here are general and may vary depending on specific datasheet specifications and application requirements.