ON Semiconductor
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74LCX373SJX
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74LCX373SJX

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Digital Logic Device
  • Characteristics: Low Voltage, Octal Transparent Latch with 3-State Outputs
  • Package: 20-pin Small Outline Integrated Circuit (SOIC)
  • Essence: Latching and output control functionality in a compact form factor
  • Packaging/Quantity: Available in reels of 2500 units

Specifications

  • Supply Voltage Range: 2.0V to 3.6V
  • High-Speed CMOS Technology
  • 8-Bit D-Type Latch with 3-State Outputs
  • Output Drive Capability: ±24mA at 3.0V
  • Propagation Delay Time: 4.5ns (Max) at 3.0V
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

  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. LE (Latch Enable)
  12. Q0 (Output 0)
  13. Q1 (Output 1)
  14. Q2 (Output 2)
  15. Q3 (Output 3)
  16. Q4 (Output 4)
  17. Q5 (Output 5)
  18. Q6 (Output 6)
  19. Q7 (Output 7)
  20. VCC (Supply Voltage)

Functional Features

  • Octal transparent latch with 3-state outputs
  • Latch enable (LE) and output enable (OE) control signals
  • Low voltage operation for power efficiency
  • High-speed CMOS technology for fast data processing
  • Compact form factor for space-constrained applications

Advantages and Disadvantages

Advantages: - Low voltage operation allows for reduced power consumption - High-speed CMOS technology enables fast data processing - Compact package size saves board space - 3-state outputs provide flexibility in connecting multiple devices

Disadvantages: - Limited supply voltage range may restrict compatibility with certain systems - Propagation delay time may affect timing-sensitive applications - Lack of built-in protection features may require additional circuitry for robustness

Working Principles

The 74LCX373SJX is an octal transparent latch with 3-state outputs. It operates by latching the input data when the latch enable (LE) signal is active. The output enable (OE) signal controls the state of the outputs, allowing them to be either active or in a high-impedance state.

When LE is low, the latch is transparent, meaning that the input data passes through to the outputs. When LE is high, the latch holds the last latched data, regardless of changes in the input. The OE signal determines whether the outputs are active or in a high-impedance state.

Detailed Application Field Plans

The 74LCX373SJX can be used in various digital logic applications, including but not limited to:

  1. Data storage and transfer systems
  2. Address decoding circuits
  3. Bus interface units
  4. Memory modules
  5. Microprocessor-based systems
  6. Communication devices
  7. Control systems

Its compact size, low voltage operation, and high-speed capabilities make it suitable for space-constrained and power-efficient designs.

Detailed and Complete Alternative Models

  1. 74HC373: Similar functionality, but operates at a higher supply voltage range (2.0V to 6.0V).
  2. 74ACT373: Faster propagation delay time, but requires a higher supply voltage (4.5V to 5.5V).
  3. 74LS373: Lower speed and higher power consumption compared to the 74LCX373SJX, but compatible with a wider supply voltage range (4.75V to 5.25V).

These alternative models offer different trade-offs in terms of voltage range, speed, and power consumption, allowing designers to choose the most suitable option for their specific requirements.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de 74LCX373SJX en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of 74LCX373SJX in technical solutions:

  1. Q: What is the 74LCX373SJX?

    • A: The 74LCX373SJX is a octal transparent latch with 3-state outputs, commonly used in digital systems.

  2. Q: What is the purpose of the 74LCX373SJX?

    • A: The purpose of this IC is to store and control the flow of data in digital circuits.

  3. Q: How many latch outputs does the 74LCX373SJX have?

    • A: It has 8 latch outputs, making it suitable for applications that require multiple data storage.

  4. Q: Can the 74LCX373SJX be used as a buffer?

    • A: Yes, it can be used as a buffer by enabling the 3-state outputs, allowing multiple devices to share a common bus.

  5. Q: What is the voltage range supported by the 74LCX373SJX?

    • A: It supports a wide voltage range from 2.0V to 3.6V, making it compatible with various digital systems.

  6. Q: Can the 74LCX373SJX handle high-speed data transfers?

    • A: Yes, it has a high-speed operation capability, making it suitable for applications that require fast data transfer rates.

  7. Q: Is the 74LCX373SJX compatible with TTL logic levels?

    • A: Yes, it is compatible with both TTL and CMOS logic levels, providing flexibility in system integration.

  8. Q: Can the 74LCX373SJX be cascaded to increase the number of latch outputs?

    • A: Yes, multiple 74LCX373SJX ICs can be cascaded to increase the number of latch outputs in a system.

  9. Q: Does the 74LCX373SJX have any built-in protection features?

    • A: Yes, it has built-in ESD protection, which helps safeguard the IC from electrostatic discharge damage.

  10. Q: What are some common applications of the 74LCX373SJX?

    • A: The 74LCX373SJX is commonly used in microprocessors, memory systems, data storage, and general-purpose digital circuits.

Please note that these questions and answers are for illustrative purposes and may vary depending on specific requirements and use cases.