Texas Instruments
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SN74ABT573ANSR
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SN74ABT573ANSR

Product Overview

  • Category: Integrated Circuit
  • Use: Data Storage and Transfer
  • Characteristics: High-speed, Octal Transparent D-Type Latches with 3-State Outputs
  • Package: 20-pin Small Outline Integrated Circuit (SOIC)
  • Essence: The SN74ABT573ANSR is a latch that can store and transfer data in digital systems. It has eight inputs and outputs, allowing for the storage of multiple bits of information simultaneously.
  • Packaging/Quantity: Available in reels of 2500 units

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: 125 MHz
  • Propagation Delay: 3.8 ns (typical)

Detailed Pin Configuration

The SN74ABT573ANSR has a total of 20 pins. The pin configuration is 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

  • Octal Transparent Latches: The SN74ABT573ANSR can store and transfer data on all eight inputs simultaneously.
  • 3-State Outputs: The outputs of the latch can be put into a high-impedance state, allowing for easy bus sharing in multi-device systems.
  • High-Speed Operation: With a maximum clock frequency of 125 MHz, the latch can handle high-speed data transfers.

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data transfer. - 3-state outputs enable easy bus sharing. - Octal design provides the ability to store and transfer multiple bits of information simultaneously.

Disadvantages: - Limited voltage range (4.5V to 5.5V) may not be suitable for all applications. - Propagation delay of 3.8 ns may introduce timing issues in certain scenarios.

Working Principles

The SN74ABT573ANSR operates 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 transferred to the outputs. The latch can be transparent or opaque based on the state of the LE signal. In the transparent state, the inputs are directly connected to the outputs, allowing for real-time data transfer. In the opaque state, the inputs are disconnected from the outputs, preserving the previously stored data.

Detailed Application Field Plans

The SN74ABT573ANSR is commonly used in various digital systems that require data storage and transfer. Some application fields include:

  1. Microprocessors and Microcontrollers: Used for temporary storage of data during processing.
  2. Communication Systems: Facilitates data transfer between different components of communication devices.
  3. Data Acquisition Systems: Stores analog or digital data for further processing or analysis.
  4. Industrial Automation: Enables control and monitoring of various processes by storing and transferring data.

Detailed and Complete Alternative Models

  1. SN74ABT573ADW: 20-pin SOIC package, similar functionality to SN74ABT573ANSR.
  2. MC74ACT573DW: 20-pin SOIC package, octal transparent latch with 3-state outputs.
  3. CD74HCT573M96: 20-pin SOIC package, octal D-type transparent latch.

These alternative models provide similar functionality to the SN74ABT573ANSR and can be used as replacements in different applications.

Word count: 511 words

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SN74ABT573ANSR v technických řešeních

Sure! Here are 10 common questions and answers related to the application of SN74ABT573ANSR:

  1. Q: What is SN74ABT573ANSR? A: SN74ABT573ANSR is a type of octal transparent latch with 3-state outputs, commonly used in digital systems.

  2. Q: What is the maximum operating voltage for SN74ABT573ANSR? A: The maximum operating voltage for SN74ABT573ANSR is typically 5.5V.

  3. Q: How many data inputs does SN74ABT573ANSR have? A: SN74ABT573ANSR has eight data inputs (D0-D7) that can be latched onto its outputs.

  4. Q: Can SN74ABT573ANSR be used as a bidirectional buffer? A: No, SN74ABT573ANSR is not designed for bidirectional operation. It is primarily used as a unidirectional latch.

  5. Q: What is the purpose of the 3-state outputs in SN74ABT573ANSR? A: The 3-state outputs allow the outputs to be disconnected from the bus, effectively putting them in a high-impedance state.

  6. Q: What is the typical output current capability of SN74ABT573ANSR? A: SN74ABT573ANSR can typically sink or source up to 32mA of current per output.

  7. Q: Can SN74ABT573ANSR operate at high speeds? A: Yes, SN74ABT573ANSR is designed to operate at high-speeds, with typical propagation delays in the range of a few nanoseconds.

  8. Q: Is SN74ABT573ANSR compatible with TTL logic levels? A: Yes, SN74ABT573ANSR is compatible with both TTL and CMOS logic levels.

  9. Q: Can SN74ABT573ANSR be cascaded to increase the number of latches? A: Yes, multiple SN74ABT573ANSR devices can be cascaded together to increase the number of latches in a system.

  10. Q: What are some typical applications for SN74ABT573ANSR? A: SN74ABT573ANSR is commonly used in applications such as data storage, address decoding, bus interfacing, and register transfers.

Please note that these answers are general and may vary depending on the specific requirements and datasheet of the SN74ABT573ANSR device.