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M74HC257RM13TR
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M74HC257RM13TR

Product Overview

  • Category: Integrated Circuit
  • Use: Data Selector/Multiplexer
  • Characteristics: High-Speed, CMOS Logic, 4-Bit Multiplexer
  • Package: SOP-16
  • Essence: The M74HC257RM13TR is a high-speed CMOS logic integrated circuit that functions as a 4-bit multiplexer. It allows the selection of one out of four data inputs to be routed to a single output line.
  • Packaging/Quantity: The M74HC257RM13TR is available in a SOP-16 package and is typically sold in reels containing a quantity of 2500 units.

Specifications

  • Supply Voltage: 2V to 6V
  • Input Voltage: 0V to Vcc
  • Output Voltage: 0V to Vcc
  • Operating Temperature Range: -40°C to +125°C
  • Propagation Delay: 9 ns (typical)
  • Quiescent Current: 4 µA (maximum)

Pin Configuration

The M74HC257RM13TR has a total of 16 pins arranged as follows:

__ __ A1 |1 \__/ 16| Vcc B1 |2 15| Y C1 |3 14| A0 D1 |4 13| A1 G1 |5 M 12| A2 G2 |6 U 11| A3 B2 |7 X 10| GND C2 |8 E 9| Y -- --

Functional Features

  • The M74HC257RM13TR is designed to operate at high speeds, making it suitable for applications that require fast data selection.
  • It has a wide supply voltage range of 2V to 6V, allowing flexibility in various electronic systems.
  • The CMOS logic technology used in this integrated circuit ensures low power consumption and compatibility with other CMOS devices.
  • The 4-bit multiplexer functionality allows the selection of one out of four data inputs, providing versatility in data routing.

Advantages and Disadvantages

Advantages: - High-speed operation - Wide supply voltage range - Low power consumption - Compatibility with other CMOS devices

Disadvantages: - Limited to 4-bit data selection - Requires external control signals for proper operation

Working Principles

The M74HC257RM13TR operates based on the principles of digital logic. It uses internal circuitry to select one of the four data inputs based on the control signals provided. The selected data is then routed to the output pin. The propagation delay of 9 ns (typical) ensures fast switching between the input data sources.

Detailed Application Field Plans

The M74HC257RM13TR can be used in various applications, including but not limited to: 1. Data multiplexing in microcontrollers and microprocessors 2. Address decoding in memory systems 3. Input selection in communication systems 4. Control signal routing in industrial automation

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the M74HC257RM13TR are: - CD74HC257E from Texas Instruments - SN74HC257N from Texas Instruments - 74HC257D from NXP Semiconductors - MC74HC257AN from ON Semiconductor

These alternative models can be considered based on specific requirements, availability, and pricing considerations.

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Énumérez 10 questions et réponses courantes liées à l'application de M74HC257RM13TR dans les solutions techniques

Sure! Here are 10 common questions and answers related to the application of M74HC257RM13TR in technical solutions:

  1. Q: What is the M74HC257RM13TR? A: The M74HC257RM13TR is a quad 2-input multiplexer with 3-state outputs, commonly used in digital logic circuits.

  2. Q: What is the operating voltage range for the M74HC257RM13TR? A: The operating voltage range for the M74HC257RM13TR is typically between 2V and 6V.

  3. Q: How many inputs does the M74HC257RM13TR have? A: The M74HC257RM13TR has four inputs, labeled A0, A1, A2, and A3.

  4. Q: Can the M74HC257RM13TR handle both analog and digital signals? A: No, the M74HC257RM13TR is designed to handle only digital signals.

  5. Q: What is the purpose of the 3-state outputs in the M74HC257RM13TR? A: The 3-state outputs allow multiple devices to be connected together without causing conflicts or bus contention.

  6. Q: How many output pins does the M74HC257RM13TR have? A: The M74HC257RM13TR has four output pins, labeled Y0, Y1, Y2, and Y3.

  7. Q: Can the M74HC257RM13TR be cascaded to increase the number of inputs? A: Yes, multiple M74HC257RM13TRs can be cascaded together to increase the number of inputs.

  8. Q: What is the maximum frequency at which the M74HC257RM13TR can operate? A: The M74HC257RM13TR can typically operate at frequencies up to 50 MHz.

  9. Q: Does the M74HC257RM13TR have any built-in protection features? A: Yes, the M74HC257RM13TR has built-in ESD (Electrostatic Discharge) protection.

  10. Q: What is the package type for the M74HC257RM13TR? A: The M74HC257RM13TR is available in a 16-pin SOIC (Small Outline Integrated Circuit) package.

Please note that these answers are general and may vary depending on the specific datasheet and manufacturer's specifications for the M74HC257RM13TR.