Texas Instruments
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SN74HC373DWR
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SN74HC373DWR

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Octal Transparent D-Type Latches with 3-State Outputs
  • Characteristics:
    • High-speed CMOS technology
    • Eight latches in a single package
    • 3-state outputs for bus-oriented applications
    • Wide operating voltage range: 2V to 6V
    • Low power consumption
  • Package: SOIC (Small Outline Integrated Circuit)
  • Essence: The SN74HC373DWR is a versatile latch IC that can store and output data in various digital systems.
  • Packaging/Quantity: Tape and Reel, 2500 pieces 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
  • Input Capacitance: 3.5pF
  • Output Capacitance: 6pF
  • Propagation Delay Time: 11ns (typical)
  • Maximum Quiescent Current: 4μA

Detailed Pin Configuration

The SN74HC373DWR has a total of 20 pins arranged 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. Q7 (Output 7)

Functional Features

  • Octal transparent latch with 3-state outputs
  • Latches data on the rising edge of the clock pulse
  • Outputs can be disabled using the output enable pin
  • Master reset pin resets all latches to a low state
  • High-speed operation suitable for bus-oriented applications
  • Wide operating voltage range allows compatibility with various systems

Advantages and Disadvantages

Advantages: - High-speed CMOS technology enables fast data processing - 3-state outputs facilitate bus-oriented applications - Low power consumption helps in energy-efficient designs - Wide operating voltage range provides flexibility in system integration

Disadvantages: - Limited number of latches per package - Not suitable for high-voltage applications - Sensitivity to electrostatic discharge (ESD) requires proper handling precautions

Working Principles

The SN74HC373DWR operates as an octal transparent latch, storing and outputting data based on the clock pulse and input signals. When the clock pulse rises, the latch captures the data present at the inputs and holds it until the next clock cycle. The output enable pin allows the outputs to be enabled or disabled, while the master reset pin resets all latches to a low state.

Detailed Application Field Plans

The SN74HC373DWR is widely used in various digital systems and applications, including:

  1. Microcontrollers and microprocessors
  2. Data storage and retrieval systems
  3. Communication devices and networks
  4. Industrial automation and control systems
  5. Automotive electronics
  6. Consumer electronics
  7. Robotics and mechatronics

Detailed and Complete Alternative Models

  1. SN74HC373N: DIP (Dual In-line Package) version of the SN74HC373DWR
  2. CD74HC373E: Equivalent octal transparent latch IC from a different manufacturer
  3. MC74HC373DW: Similar latch IC with slightly different specifications
  4. 74HCT373: Latch IC with TTL (Transistor-Transistor Logic) compatibility

These alternative models provide similar functionality and can be used as substitutes for the SN74HC373DWR in various applications.

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10 pirs û bersivên hevpar ên têkildarî sepana SN74HC373DWR di çareseriyên teknîkî de navnîş bikin

Sure! Here are 10 common questions and answers related to the application of SN74HC373DWR:

  1. Q: What is SN74HC373DWR? A: SN74HC373DWR is a type of integrated circuit (IC) commonly used as an octal transparent latch with 3-state outputs.

  2. Q: What is the purpose of SN74HC373DWR? A: SN74HC373DWR is used to store and control the flow of data in digital systems. It can latch and hold data until it is updated or released.

  3. Q: How many latch outputs does SN74HC373DWR have? A: SN74HC373DWR has 8 latch outputs, making it suitable for applications that require multiple data storage.

  4. Q: What is the voltage range supported by SN74HC373DWR? A: SN74HC373DWR supports a voltage range of 2V to 6V, making it compatible with a wide range of digital systems.

  5. Q: Can SN74HC373DWR be used in both parallel and serial data transfer applications? A: Yes, SN74HC373DWR can be used in both parallel and serial data transfer applications, depending on the system requirements.

  6. Q: Does SN74HC373DWR support bidirectional data flow? A: No, SN74HC373DWR only supports unidirectional data flow from input to output.

  7. Q: What is the maximum operating frequency of SN74HC373DWR? A: The maximum operating frequency of SN74HC373DWR is typically around 80 MHz, but it can vary depending on the specific conditions.

  8. Q: Can SN74HC373DWR handle high-speed data transfers? A: Yes, SN74HC373DWR is designed to handle high-speed data transfers, making it suitable for applications that require fast data processing.

  9. Q: Does SN74HC373DWR have any built-in protection features? A: SN74HC373DWR has built-in diode clamps on the inputs to protect against electrostatic discharge (ESD) and other voltage spikes.

  10. Q: What are some common applications of SN74HC373DWR? A: SN74HC373DWR is commonly used in microprocessors, memory systems, data buses, and other digital systems where data storage and control are required.

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