Texas Instruments
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CD74AC373MG4
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CD74AC373MG4

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Data storage and transfer
  • Characteristics: High-speed, low-power consumption
  • Package: 20-pin SOIC (Small Outline Integrated Circuit)
  • Essence: Octal transparent latch with 3-state outputs
  • Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

  • Supply Voltage Range: 2V to 6V
  • Input Voltage Range: 0V to VCC
  • Output Voltage Range: 0V to VCC
  • Operating Temperature Range: -40°C to +85°C
  • Output Drive Capability: ±24mA at 5V
  • Propagation Delay Time: 7.5ns (typical)

Detailed Pin Configuration

The CD74AC373MG4 has a total of 20 pins, which are arranged as follows:

  1. Pin 1: Output Enable (OE)
  2. Pin 2: Data Input D0
  3. Pin 3: Data Input D1
  4. Pin 4: Data Input D2
  5. Pin 5: Data Input D3
  6. Pin 6: Data Input D4
  7. Pin 7: Data Input D5
  8. Pin 8: Data Input D6
  9. Pin 9: Data Input D7
  10. Pin 10: Ground (GND)
  11. Pin 11: Data Output Q0
  12. Pin 12: Data Output Q1
  13. Pin 13: Data Output Q2
  14. Pin 14: Data Output Q3
  15. Pin 15: Data Output Q4
  16. Pin 16: Data Output Q5
  17. Pin 17: Data Output Q6
  18. Pin 18: Data Output Q7
  19. Pin 19: Clock (CLK)
  20. Pin 20: Supply Voltage (VCC)

Functional Features

  • Octal transparent latch with 3-state outputs
  • High-speed operation, suitable for high-frequency applications
  • Low-power consumption, ideal for battery-powered devices
  • Output enable function allows for easy control of data transfer
  • 3-state outputs provide flexibility in connecting multiple devices

Advantages and Disadvantages

Advantages: - High-speed operation enables efficient data transfer - Low-power consumption prolongs battery life - Output enable function provides control over data flow - 3-state outputs allow for easy connection to other devices

Disadvantages: - Limited voltage range (2V to 6V) - Propagation delay time may affect timing-sensitive applications

Working Principles

The CD74AC373MG4 is an octal transparent latch with 3-state outputs. It stores and transfers data using flip-flops controlled by a clock signal. When the clock signal is active, the latch becomes transparent, allowing the input data to pass through to the output. The output enable function determines whether the data is actively driven onto the output pins or put into a high-impedance state.

Detailed Application Field Plans

The CD74AC373MG4 is commonly used in various digital systems that require data storage and transfer. Some specific application fields include:

  1. Microcontrollers: Used to interface with external memory or peripherals.
  2. Communication Systems: Facilitates data transmission between different components.
  3. Industrial Automation: Enables control and monitoring of processes.
  4. Automotive Electronics: Supports data handling in automotive systems.
  5. Consumer Electronics: Used in devices like TVs, set-top boxes, and gaming consoles.

Detailed and Complete Alternative Models

  1. SN74AC373: Similar octal transparent latch with 3-state outputs, offered by Texas Instruments.
  2. MC74AC373: Octal latch with 3-state outputs, provided by ON Semiconductor.
  3. 74HC373: Octal D-type latch with 3-state outputs, available from various manufacturers.

These alternative models offer similar functionality and can be used as replacements for the CD74AC373MG4 in different applications.

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Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af CD74AC373MG4 i tekniske løsninger

Sure! Here are 10 common questions and answers related to the application of CD74AC373MG4 in technical solutions:

  1. Q: What is CD74AC373MG4? A: CD74AC373MG4 is a type of octal transparent latch with 3-state outputs, commonly used in digital circuits.

  2. Q: What is the operating voltage range for CD74AC373MG4? A: The operating voltage range for CD74AC373MG4 is typically between 2V and 6V.

  3. Q: How many latch inputs does CD74AC373MG4 have? A: CD74AC373MG4 has eight latch inputs, labeled D0 to D7.

  4. Q: Can CD74AC373MG4 be used as a level shifter? A: Yes, CD74AC373MG4 can be used as a level shifter to convert signals between different voltage levels.

  5. Q: What is the maximum output current of CD74AC373MG4? A: The maximum output current of CD74AC373MG4 is typically around 24mA.

  6. Q: Does CD74AC373MG4 have internal pull-up or pull-down resistors? A: No, CD74AC373MG4 does not have internal pull-up or pull-down resistors. External resistors may be required.

  7. Q: Can CD74AC373MG4 be used in high-speed applications? A: Yes, CD74AC373MG4 is designed for high-speed operation and can be used in applications with fast switching requirements.

  8. Q: What is the propagation delay of CD74AC373MG4? A: The propagation delay of CD74AC373MG4 is typically around 6ns.

  9. Q: Can CD74AC373MG4 be used in bidirectional data transfer applications? A: Yes, CD74AC373MG4 can be used for bidirectional data transfer by connecting the output enable (OE) pin appropriately.

  10. Q: Is CD74AC373MG4 compatible with other logic families? A: Yes, CD74AC373MG4 is compatible with a wide range of logic families, including TTL and CMOS.

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