ON Semiconductor
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74HC373DTR2G
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74HC373DTR2G

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Octal transparent latch with 3-state outputs
  • Characteristics: High-speed, low-power CMOS technology; 8-bit D-type latch; 3-state outputs; wide operating voltage range
  • Package: TSSOP-20
  • Essence: The 74HC373DTR2G is a versatile latch IC that can store and output 8 bits of data. It is commonly used in digital systems for temporary storage and data transfer.
  • 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 +125°C
  • Propagation Delay: 14 ns (typical)
  • Output Current: ±6 mA

Pin Configuration

The 74HC373DTR2G has a total of 20 pins arranged as follows:

+---+--+---+ OE1 |1 +--+ 20| VCC QA |2 19| OE2 QB |3 18| QH QC |4 17| QG QD |5 16| QF QE |6 15| QE QF |7 14| QD QG |8 13| QC QH |9 12| QB GND |10 11| QA +----------+

Functional Features

  • Octal transparent latch with 3-state outputs
  • Latches data on the rising edge of the clock signal
  • Outputs can be put in high-impedance state using the output enable (OE) pins
  • Can be cascaded for larger data storage requirements

Advantages and Disadvantages

Advantages: - High-speed operation - Low power consumption - Wide operating voltage range - 3-state outputs allow easy bus sharing

Disadvantages: - Limited data storage capacity (8 bits) - Not suitable for applications requiring non-volatile memory

Working Principles

The 74HC373DTR2G operates as an octal transparent latch, meaning it can store and output 8 bits of data. The latch is controlled by a clock signal, which latches the input data onto the outputs on the rising edge of the clock. The output enable pins (OE1 and OE2) control whether the outputs are active or in a high-impedance state.

Detailed Application Field Plans

The 74HC373DTR2G finds applications in various digital systems where temporary storage and data transfer are required. Some common application fields include:

  1. Microcontrollers and microprocessors
  2. Data communication systems
  3. Memory interfacing
  4. Address decoding
  5. Parallel-to-serial and serial-to-parallel conversion

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the 74HC373DTR2G are:

  1. SN74LS373N: Octal D-type transparent latch with 3-state outputs
  2. CD74HCT373E: High-speed CMOS logic octal transparent latch
  3. MC74HC373AN: Octal D-type latch with 3-state outputs

These alternatives can be considered based on specific project requirements and availability.

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Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan 74HC373DTR2G dalam solusi teknis

Sure! Here are 10 common questions and answers related to the application of 74HC373DTR2G in technical solutions:

  1. Q: What is the 74HC373DTR2G? A: The 74HC373DTR2G is a octal D-type transparent latch with 3-state outputs, commonly used in digital electronics.

  2. Q: What is the purpose of the 74HC373DTR2G? A: The purpose of this IC is to store and control the flow of data in digital systems by latching input signals and providing output signals.

  3. Q: How many latch outputs does the 74HC373DTR2G have? A: The 74HC373DTR2G has 8 latch outputs, making it suitable for applications that require multiple data storage.

  4. Q: What is the voltage range supported by the 74HC373DTR2G? A: The 74HC373DTR2G supports a voltage range of 2V to 6V, making it compatible with various power supply configurations.

  5. Q: Can the 74HC373DTR2G be used in both parallel and serial data transfer applications? A: Yes, the 74HC373DTR2G can be used in both parallel and serial data transfer applications, depending on the system requirements.

  6. Q: Does the 74HC373DTR2G support 3-state outputs? A: Yes, the 74HC373DTR2G supports 3-state outputs, allowing the outputs to be disabled or put into a high-impedance state when not needed.

  7. Q: What is the maximum operating frequency of the 74HC373DTR2G? A: The maximum operating frequency of the 74HC373DTR2G is typically around 80 MHz, making it suitable for high-speed applications.

  8. Q: Can the 74HC373DTR2G be cascaded to increase the number of latch outputs? A: Yes, multiple 74HC373DTR2G ICs can be cascaded together to increase the number of latch outputs in a system.

  9. Q: What is the power consumption of the 74HC373DTR2G? A: The power consumption of the 74HC373DTR2G is relatively low, making it energy-efficient and suitable for battery-powered devices.

  10. Q: Are there any specific precautions to consider when using the 74HC373DTR2G? A: It is important to ensure proper voltage levels, decoupling capacitors, and signal integrity when using the 74HC373DTR2G to avoid any potential issues or malfunctions.

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