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SN74BCT373DWR
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SN74BCT373DWR

Product Overview

Category

SN74BCT373DWR belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used as an octal transparent latch with 3-state outputs.

Characteristics

  • Octal latch: The SN74BCT373DWR has eight individual latches that can store data.
  • Transparent latch: The input data is directly transferred to the output when the latch enable (LE) signal is high.
  • 3-state outputs: The outputs can be put into a high-impedance state, allowing multiple devices to share a common bus.

Package

SN74BCT373DWR is available in a standard 20-pin SOIC (Small Outline Integrated Circuit) package.

Essence

The essence of SN74BCT373DWR lies in its ability to store and transfer data in an efficient and controlled manner.

Packaging/Quantity

SN74BCT373DWR is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

  • Supply Voltage Range: 4.5V to 5.5V
  • Input Voltage Range: 0V to VCC
  • Output Voltage Range: 0V to VCC
  • Operating Temperature Range: -40°C to +85°C
  • Maximum Clock Frequency: 25 MHz

Detailed Pin Configuration

  1. D0: Data input for latch 0
  2. D1: Data input for latch 1
  3. D2: Data input for latch 2
  4. D3: Data input for latch 3
  5. D4: Data input for latch 4
  6. D5: Data input for latch 5
  7. D6: Data input for latch 6
  8. D7: Data input for latch 7
  9. LE: Latch enable input
  10. OE: Output enable input
  11. Q0: Output for latch 0
  12. Q1: Output for latch 1
  13. Q2: Output for latch 2
  14. Q3: Output for latch 3
  15. Q4: Output for latch 4
  16. Q5: Output for latch 5
  17. Q6: Output for latch 6
  18. Q7: Output for latch 7
  19. GND: Ground
  20. VCC: Power supply voltage

Functional Features

  • Octal Latching: The SN74BCT373DWR can store data in eight individual latches.
  • Transparent Operation: When the latch enable (LE) signal is high, the input data is directly transferred to the output.
  • 3-State Outputs: The outputs can be put into a high-impedance state using the output enable (OE) signal.

Advantages and Disadvantages

Advantages

  • Efficient data storage and transfer with octal latching.
  • Transparent operation allows real-time data updates.
  • 3-state outputs enable bus sharing among multiple devices.

Disadvantages

  • Limited maximum clock frequency of 25 MHz.
  • Requires external control signals for proper operation.

Working Principles

The SN74BCT373DWR operates by storing data in its eight individual latches. When the latch enable (LE) signal is high, the input data is transferred to the corresponding latch outputs. The output enable (OE) signal controls whether the latch outputs are active or in a high-impedance state.

Detailed Application Field Plans

SN74BCT373DWR finds applications in various fields, including: 1. Data storage systems 2. Address decoding circuits 3. Bus interface units 4. Memory modules 5. Microprocessor systems

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to SN74BCT373DWR are: 1. 74HC373: Octal D-type latch with 3-state outputs 2. CD74HCT373: High-speed CMOS octal latch with 3-state outputs 3. MC74ACT373: Octal transparent latch with 3-state outputs

These alternative models offer similar functionality and can be used as replacements for SN74BCT373DWR in various applications.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de SN74BCT373DWR en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of SN74BCT373DWR in technical solutions:

  1. Q: What is SN74BCT373DWR? A: SN74BCT373DWR is a type of octal transparent latch with 3-state outputs, commonly used in digital systems.

  2. Q: What is the purpose of SN74BCT373DWR? A: SN74BCT373DWR is used to store and control the flow of data in digital circuits, allowing for efficient data transfer between different components.

  3. Q: How many bits can SN74BCT373DWR handle? A: SN74BCT373DWR can handle 8 bits of data, as it is an octal latch.

  4. Q: What is the voltage range supported by SN74BCT373DWR? A: SN74BCT373DWR supports a voltage range of 4.5V to 5.5V.

  5. Q: Can SN74BCT373DWR be used in both synchronous and asynchronous applications? A: Yes, SN74BCT373DWR can be used in both synchronous and asynchronous applications, depending on the specific requirements of the system.

  6. Q: What is the maximum operating frequency of SN74BCT373DWR? A: The maximum operating frequency of SN74BCT373DWR is typically around 100 MHz.

  7. Q: Does SN74BCT373DWR have any built-in protection features? A: Yes, SN74BCT373DWR has built-in input diodes that provide protection against electrostatic discharge (ESD).

  8. Q: Can SN74BCT373DWR drive LEDs directly? A: No, SN74BCT373DWR is not designed to drive LEDs directly. It requires additional components such as current-limiting resistors.

  9. Q: Can SN74BCT373DWR be used in high-speed applications? A: Yes, SN74BCT373DWR can be used in high-speed applications, but it may have limitations compared to specialized high-speed latches.

  10. Q: Are there any specific layout considerations for using SN74BCT373DWR? A: Yes, it is recommended to follow the manufacturer's guidelines for proper PCB layout, including minimizing trace lengths and providing decoupling capacitors near the IC.

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