Texas Instruments
Billedet kan være en repræsentation.
Se specifikationer for produktdetaljer.
SN74LS373DWR
Se detaljer DataSheets

SN74LS373DWR

Product Overview

Category

SN74LS373DWR belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in digital electronics and computer systems for data storage and transfer.

Characteristics

  • High-speed operation
  • Low power consumption
  • Wide operating voltage range
  • Durable and reliable performance

Package

SN74LS373DWR is available in a 20-pin SOIC (Small Outline Integrated Circuit) package.

Essence

The essence of SN74LS373DWR lies in its ability to store and latch data, making it an essential component in various digital applications.

Packaging/Quantity

SN74LS373DWR is typically packaged in reels or tubes, with each reel containing 2500 units.

Specifications

  • Supply Voltage: 4.75V to 5.25V
  • Operating Temperature Range: -40°C to +85°C
  • Output Current: ±8mA
  • Input Voltage: 2V to 5.5V
  • Propagation Delay Time: 15ns (max)
  • Output Type: Tri-State

Detailed Pin Configuration

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

Functional Features

SN74LS373DWR is an octal transparent latch with three-state outputs. It allows data to be stored and latched when the latch enable (LE) input is high. The output enable (OE) input controls the tri-state outputs, enabling or disabling their operation.

Advantages and Disadvantages

Advantages

  • High-speed operation facilitates efficient data transfer.
  • Low power consumption helps conserve energy.
  • Wide operating voltage range ensures compatibility with various systems.
  • Durable and reliable performance ensures long-term functionality.

Disadvantages

  • Limited number of inputs and outputs restricts its application in complex systems.
  • Propagation delay time may affect real-time applications.

Working Principles

When the latch enable (LE) input is high, SN74LS373DWR stores and latches the data present at the data inputs (D0-D7). The stored data can then be accessed from the corresponding output pins (Q0-Q7). The output enable (OE) input controls whether the outputs are active or in a high-impedance state.

Detailed Application Field Plans

SN74LS373DWR finds extensive use in various digital systems, including: - Microprocessors - Memory units - Data buses - Address decoders - Register banks

Detailed and Complete Alternative Models

  1. SN74LS374: Octal D-Type Flip-Flop with 3-State Outputs
  2. SN74LS377: Octal D-Type Flip-Flop with Clock Enable
  3. SN74LS670: 4x4 Register File with 3-State Outputs
  4. SN74LS674: 16x4 Register File with 3-State Outputs
  5. SN74LS679: 16x4 Register File with 3-State Outputs and Parity

These alternative models offer similar functionality and can be used as substitutes for SN74LS373DWR in various applications.

In conclusion, SN74LS373DWR is a versatile integrated circuit used for data storage and transfer in digital systems. Its high-speed operation, low power consumption, and wide operating voltage range make it suitable for a range of applications. However, its limited inputs and outputs may restrict its use in complex systems. Alternative models provide additional options for similar functionality.

Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af SN74LS373DWR i tekniske løsninger

Sure! Here are 10 common questions and answers related to the application of SN74LS373DWR:

  1. Q: What is SN74LS373DWR? A: SN74LS373DWR is a type of octal transparent latch with 3-state outputs, commonly used in digital circuits.

  2. Q: What is the purpose of SN74LS373DWR? A: SN74LS373DWR is used to store and control the flow of data in digital systems, acting as a latch or buffer.

  3. Q: How many bits can SN74LS373DWR handle? A: SN74LS373DWR can handle 8 bits of data, as it is an octal (8-bit) latch.

  4. Q: What is the voltage range supported by SN74LS373DWR? A: SN74LS373DWR supports a voltage range of 4.75V to 5.25V.

  5. Q: Can SN74LS373DWR be used for bidirectional data transfer? A: No, SN74LS373DWR is unidirectional and can only transfer data in one direction.

  6. Q: How does SN74LS373DWR handle input data? A: SN74LS373DWR has transparent inputs, meaning that the input data is directly transferred to the output when the latch is enabled.

  7. Q: What is the maximum frequency at which SN74LS373DWR can operate? A: SN74LS373DWR can operate at a maximum clock frequency of 25 MHz.

  8. Q: Can SN74LS373DWR drive LEDs or other low-power devices directly? A: Yes, SN74LS373DWR can drive LEDs or other low-power devices directly, as it has 3-state outputs.

  9. Q: How can I cascade multiple SN74LS373DWR latches together? A: Multiple SN74LS373DWR latches can be cascaded by connecting the output of one latch to the input of the next latch.

  10. Q: What are some common applications of SN74LS373DWR? A: SN74LS373DWR is commonly used in microprocessors, memory systems, and other digital systems where data storage and control are required.

Please note that these answers are general and may vary depending on specific circuit designs and requirements.