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74ACT16861DL
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Encyclopedia Entry: 74ACT16861DL

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Digital Logic Level Shifter
  • Characteristics: High-speed, low-power consumption, bidirectional level shifting
  • Package: Dual-In-Line Package (DIP)
  • Essence: Transfers digital signals between devices operating at different voltage levels
  • Packaging/Quantity: Typically sold in reels or tubes containing multiple units

Specifications

  • Technology: Advanced CMOS logic
  • Supply Voltage Range: 2.0V to 5.5V
  • Logic Family: ACT (Advanced CMOS Technology)
  • Number of Channels: 20
  • Input Voltage Levels: TTL-compatible
  • Output Voltage Levels: TTL-compatible
  • Propagation Delay: Low, typically less than 6 ns
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The 74ACT16861DL IC has a total of 48 pins arranged as follows:

+---------------------+ A1 |1 48| VCC A2 |2 47| B1 A3 |3 46| B2 A4 |4 45| B3 A5 |5 44| B4 A6 |6 43| B5 A7 |7 42| B6 A8 |8 41| B7 A9 |9 40| B8 A10 |10 39| B9 A11 |11 38| B10 A12 |12 37| B11 A13 |13 36| B12 A14 |14 35| B13 A15 |15 34| B14 A16 |16 33| B15 A17 |17 32| B16 A18 |18 31| B17 A19 |19 30| B18 A20 |20 29| B19 | | GND |21 28| OE# A21 |22 27| B20 A22 |23 26| B21 A23 |24 25| B22 +---------------------+

Functional Features

  • Bidirectional level shifting: Allows for the translation of digital signals between devices operating at different voltage levels.
  • High-speed operation: The 74ACT16861DL can handle high-frequency signals with low propagation delay, making it suitable for time-critical applications.
  • Low-power consumption: Designed to minimize power consumption, making it energy-efficient.

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems. - High-speed operation enables efficient signal transfer. - Low-power consumption reduces energy usage.

Disadvantages: - Limited number of channels (20) may not be sufficient for complex systems requiring a higher channel count. - The DIP package may not be suitable for space-constrained applications.

Working Principles

The 74ACT16861DL is based on advanced CMOS technology. It utilizes a combination of transistors and logic gates to perform bidirectional level shifting. When an input signal is received, the IC adjusts the voltage level accordingly and outputs the translated signal. This allows for seamless communication between devices operating at different voltage levels.

Detailed Application Field Plans

The 74ACT16861DL is commonly used in various applications, including: - Microcontroller interfacing: It facilitates communication between microcontrollers operating at different voltage levels. - Sensor networks: Enables level shifting between sensors and microcontrollers to ensure compatibility. - Industrial automation: Used for signal translation in control systems and PLCs (Programmable Logic Controllers). - Communication systems: Facilitates level shifting between different communication protocols or devices.

Detailed and Complete Alternative Models

  • 74ACT16861DL is part of the ACT family of logic level shifters. Other alternative models within this family include:
    • 74ACT16861D
    • 74ACT16861DW
    • 74ACT16861DLR

These alternative models offer similar functionality but may differ in package type, temperature range, or other specifications.

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Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan 74ACT16861DL dalam solusi teknis

Sure! Here are 10 common questions and answers related to the application of 74ACT16861DL in technical solutions:

  1. Q: What is the 74ACT16861DL? A: The 74ACT16861DL is a 20-bit bus interface latch with 3-state outputs, commonly used in digital systems for data storage and transfer.

  2. Q: What is the maximum operating frequency of the 74ACT16861DL? A: The maximum operating frequency of the 74ACT16861DL is typically around 200 MHz.

  3. Q: Can the 74ACT16861DL be used as a buffer? A: No, the 74ACT16861DL is primarily designed as a latch and does not function as a buffer.

  4. Q: How many inputs and outputs does the 74ACT16861DL have? A: The 74ACT16861DL has 20 inputs and 20 outputs.

  5. Q: What is the voltage supply range for the 74ACT16861DL? A: The 74ACT16861DL operates within a voltage supply range of 4.5V to 5.5V.

  6. Q: Can the 74ACT16861DL handle bidirectional data transfer? A: Yes, the 74ACT16861DL supports bidirectional data transfer through its 3-state outputs.

  7. Q: What is the typical propagation delay of the 74ACT16861DL? A: The typical propagation delay of the 74ACT16861DL is around 5 ns.

  8. Q: Is the 74ACT16861DL compatible with TTL logic levels? A: Yes, the 74ACT16861DL is compatible with both TTL and CMOS logic levels.

  9. Q: Can the 74ACT16861DL be cascaded to increase the number of bits? A: Yes, multiple 74ACT16861DL latches can be cascaded together to increase the number of bits in a bus interface.

  10. Q: What are some common applications of the 74ACT16861DL? A: The 74ACT16861DL is commonly used in microprocessors, memory systems, and other digital systems where data storage and transfer are required.

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