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74LCX374WMX
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74LCX374WMX

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Flip-Flop
  • Characteristics: Low-voltage, CMOS technology
  • Package: SOIC (Small Outline Integrated Circuit)
  • Essence: D-type transparent latch with 3-state outputs
  • Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

  • Supply Voltage Range: 2.0V to 3.6V
  • High-Level Input Voltage: 2.0V to VCC + 0.5V
  • Low-Level Input Voltage: -0.5V to 0.8V
  • High-Level Output Voltage: VCC - 0.5V
  • Low-Level Output Voltage: 0.5V
  • Maximum Operating Frequency: 200MHz
  • Propagation Delay Time: 4.5ns (max)
  • Input Capacitance: 3pF (typ)
  • Output Capacitance: 6pF (typ)

Detailed Pin Configuration

The 74LCX374WMX has a total of 20 pins. The pin configuration is as follows:

  1. GND (Ground)
  2. D0 (Data Input 0)
  3. D1 (Data Input 1)
  4. D2 (Data Input 2)
  5. D3 (Data Input 3)
  6. D4 (Data Input 4)
  7. D5 (Data Input 5)
  8. D6 (Data Input 6)
  9. D7 (Data Input 7)
  10. OE (Output Enable)
  11. CP (Clock Pulse)
  12. MR (Master Reset)
  13. Q0 (Output 0)
  14. Q1 (Output 1)
  15. Q2 (Output 2)
  16. Q3 (Output 3)
  17. Q4 (Output 4)
  18. Q5 (Output 5)
  19. Q6 (Output 6)
  20. VCC (Power Supply)

Functional Features

The 74LCX374WMX is a D-type transparent latch with 3-state outputs. It has the following functional features:

  • Transparent Latch: The inputs (D0-D7) are latched when the clock pulse (CP) is high.
  • Output Enable: The output enable (OE) pin controls the 3-state outputs. When OE is low, the outputs are active. When OE is high, the outputs are in a high-impedance state.
  • Master Reset: The master reset (MR) pin resets all the outputs to a low state when activated.

Advantages and Disadvantages

Advantages: - Low-voltage operation allows for compatibility with various systems. - CMOS technology provides low power consumption. - 3-state outputs allow for easy bus sharing.

Disadvantages: - Limited operating frequency compared to some other flip-flop ICs. - Input and output capacitance may affect performance in high-speed applications.

Working Principles

The 74LCX374WMX operates based on the principles of D-type transparent latches. When the clock pulse (CP) is high, the inputs (D0-D7) are latched and stored in the internal memory. The outputs (Q0-Q6) reflect the stored data. The output enable (OE) pin controls whether the outputs are active or in a high-impedance state. The master reset (MR) pin resets all the outputs to a low state when activated.

Detailed Application Field Plans

The 74LCX374WMX can be used in various applications, including but not limited to:

  1. Data Storage: The flip-flop functionality allows for storing and retrieving data in digital systems.
  2. Address Decoding: The latch outputs can be used for address decoding in memory systems.
  3. Bus Sharing: The 3-state outputs enable easy bus sharing between multiple devices.
  4. Clock Synchronization: The latch can be used to synchronize data with a clock signal.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the 74LCX374WMX include:

  1. 74HC374: High-speed CMOS version with a wider supply voltage range.
  2. CD4013: Dual D-type flip-flop IC with complementary outputs.
  3. SN74LS374: TTL (Transistor-Transistor Logic) version with different voltage levels.

These alternative models can be considered based on specific requirements and system compatibility.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av 74LCX374WMX i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of 74LCX374WMX in technical solutions:

  1. Q: What is the 74LCX374WMX? A: The 74LCX374WMX is a type of integrated circuit (IC) that functions as an octal D-type flip-flop with 3-state outputs.

  2. Q: What is the purpose of the 74LCX374WMX? A: The purpose of this IC is to store and manipulate digital data in electronic circuits, particularly in applications where multiple flip-flops are required.

  3. Q: What is the maximum operating voltage for the 74LCX374WMX? A: The maximum operating voltage for this IC is typically around 3.6 volts.

  4. Q: How many flip-flops are included in the 74LCX374WMX? A: The 74LCX374WMX contains eight individual flip-flops, making it an octal flip-flop.

  5. Q: Can the outputs of the 74LCX374WMX be disabled? A: Yes, the outputs of this IC can be disabled using the 3-state output control feature.

  6. Q: What is the typical propagation delay of the 74LCX374WMX? A: The typical propagation delay for this IC is around 3.8 nanoseconds.

  7. Q: Can the 74LCX374WMX be used in high-speed applications? A: Yes, this IC is designed for high-speed operation and can be used in applications that require fast data storage and retrieval.

  8. Q: What is the power supply range for the 74LCX374WMX? A: The power supply range for this IC is typically between 2.0 volts and 3.6 volts.

  9. Q: Can the 74LCX374WMX be cascaded with other flip-flops? A: Yes, multiple 74LCX374WMX ICs can be cascaded together to create larger storage registers or shift registers.

  10. Q: What are some common applications for the 74LCX374WMX? A: Some common applications include data storage, address decoding, register banks, bus interfacing, and general-purpose digital logic circuits.

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