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TC74HC373APF
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TC74HC373APF

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Octal D-type transparent latch
  • Characteristics:
    • High-speed operation
    • Low power consumption
    • Wide operating voltage range
    • Compatible with TTL and CMOS logic levels
  • Package: 20-pin plastic SSOP (Shrink Small Outline Package)
  • Essence: The TC74HC373APF is a latch that can store and output eight bits of data.
  • Packaging/Quantity: Available in tape and reel packaging, with 2,000 units per reel.

Specifications

  • Supply Voltage Range: 2.0V to 6.0V
  • Input Voltage Range: 0V to VCC
  • Output Voltage Range: 0V to VCC
  • Operating Temperature Range: -40°C to +85°C
  • Maximum Propagation Delay Time: 18ns
  • Maximum Quiescent Current: 4μA

Pin Configuration

The TC74HC373APF has a total of 20 pins, which are assigned 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. 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

The TC74HC373APF is designed to provide transparent latch functionality for storing and outputting eight bits of data. It operates at high speed, making it suitable for applications that require quick data storage and retrieval. The low power consumption of this IC makes it energy-efficient. It can operate within a wide voltage range and is compatible with both TTL and CMOS logic levels.

Advantages and Disadvantages

Advantages: - High-speed operation - Low power consumption - Wide operating voltage range - Compatibility with TTL and CMOS logic levels

Disadvantages: - Limited number of input/output pins - Not suitable for applications requiring more than eight bits of data storage

Working Principles

The TC74HC373APF works by latching the input data when the latch enable (LE) signal is active. When the output enable (OE) signal is active, the stored data is available at the outputs (Q0-Q7). The latch remains transparent as long as the LE signal is active, allowing changes in the input data to propagate to the outputs. When the LE signal is inactive, the latch holds the last input data and prevents further changes from affecting the outputs.

Detailed Application Field Plans

The TC74HC373APF can be used in various applications, including but not limited to: - Data storage and retrieval systems - Address decoding circuits - Register banks - Memory interfacing - Parallel data transfer

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the TC74HC373APF are: - SN74HC373N by Texas Instruments - CD74HC373E by Texas Instruments - MC74HC373AN by ON Semiconductor - 74HC373D by NXP Semiconductors

These alternative models have comparable specifications and pin configurations, allowing for interchangeability based on specific requirements.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací TC74HC373APF v technických řešeních

Sure! Here are 10 common questions and answers related to the application of TC74HC373APF:

  1. Q: What is TC74HC373APF? A: TC74HC373APF is a high-speed octal latch with 3-state outputs, commonly used in digital systems.

  2. Q: What is the maximum operating voltage for TC74HC373APF? A: The maximum operating voltage for TC74HC373APF is 6 volts.

  3. Q: How many latch outputs does TC74HC373APF have? A: TC74HC373APF has 8 latch outputs.

  4. Q: Can TC74HC373APF be used as a buffer? A: Yes, TC74HC373APF can be used as a buffer by enabling the 3-state outputs.

  5. Q: What is the typical propagation delay of TC74HC373APF? A: The typical propagation delay of TC74HC373APF is around 9 nanoseconds.

  6. Q: Can TC74HC373APF be cascaded to increase the number of latch outputs? A: Yes, multiple TC74HC373APF chips can be cascaded to increase the number of latch outputs in a system.

  7. Q: Does TC74HC373APF support bidirectional data transfer? A: No, TC74HC373APF supports unidirectional data transfer only.

  8. Q: What is the power supply voltage range for TC74HC373APF? A: The power supply voltage range for TC74HC373APF is typically between 2 and 6 volts.

  9. Q: Can TC74HC373APF be used in both TTL and CMOS logic systems? A: Yes, TC74HC373APF is compatible with both TTL and CMOS logic systems.

  10. Q: What is the maximum output current that TC74HC373APF can drive? A: TC74HC373APF can typically drive up to 25mA of output current per latch output.

Please note that these answers are general and may vary depending on the specific datasheet and manufacturer's specifications for TC74HC373APF.