NXP USA Inc.
La imagen puede ser una representación.
Consulte las especificaciones para obtener detalles del producto.
74HCT9115N,112
Ver Detalle Hojas de datos

74HCT9115N,112

Basic Information Overview

  • Category: Integrated Circuit (IC)
  • Use: Logic Level Shifter
  • Characteristics: High-speed, CMOS technology, low power consumption
  • Package: DIP-16 (Dual In-line Package with 16 pins)
  • Essence: The 74HCT9115N,112 is a logic level shifter IC that allows voltage translation between different logic levels in digital circuits.
  • Packaging/Quantity: Available in reels or tubes, typically sold in quantities of 25 or more.

Specifications

  • Supply Voltage Range: 2.0V to 6.0V
  • Input Voltage Range (VIL): 0V to 1.5V
  • Input Voltage Range (VIH): 3.0V to 6.0V
  • Output Voltage Range (VO): 0V to VCC
  • Maximum Operating Frequency: 50MHz
  • Propagation Delay Time: 13ns (typical)

Detailed Pin Configuration

The 74HCT9115N,112 has 16 pins arranged as follows:

+---+--+---+ A1 -|1 +--+ 16|- VCC A2 -|2 |- B1 A3 -|3 |- B2 A4 -|4 |- B3 A5 -|5 |- B4 A6 -|6 |- B5 A7 -|7 |- B6 GND-|8 |- B7 OE -|9 |- B8 Y1 -|10 |- B9 Y2 -|11 |- B10 Y3 -|12 |- B11 Y4 -|13 |- B12 Y5 -|14 |- B13 Y6 -|15 |- B14 +----------+

Functional Features

  • Voltage Translation: The 74HCT9115N,112 can translate logic levels between different voltage domains, allowing seamless communication between devices operating at different voltages.
  • Bidirectional Operation: It supports bidirectional level shifting, enabling translation in both directions.
  • High-Speed Operation: With a maximum operating frequency of 50MHz, it is suitable for high-speed digital circuits.
  • CMOS Technology: The IC utilizes CMOS technology, providing low power consumption and improved noise immunity.

Advantages and Disadvantages

Advantages: - Wide Supply Voltage Range: It can operate with supply voltages ranging from 2.0V to 6.0V, making it compatible with various systems. - Bidirectional Capability: The bidirectional level shifting feature allows for versatile use in both input and output applications. - High-Speed Performance: Its maximum operating frequency of 50MHz ensures reliable operation in high-speed digital circuits.

Disadvantages: - Limited Pin Count: The 16-pin package may restrict its use in complex systems requiring more I/O pins. - Propagation Delay: The propagation delay time of 13ns (typical) may introduce slight delays in signal transmission.

Working Principles

The 74HCT9115N,112 operates by utilizing a combination of MOSFETs and CMOS technology to perform voltage level shifting. It consists of two sections, each capable of translating logic levels bidirectionally. When an input signal is applied to one section, the corresponding output signal is generated in the other section, ensuring proper voltage translation between different logic levels.

Detailed Application Field Plans

The 74HCT9115N,112 finds applications in various fields where voltage level shifting is required. Some potential application areas include: - Communication Systems: It can be used to interface between devices operating at different voltage levels in communication systems, such as UART, SPI, or I2C interfaces. - Microcontroller Interfacing: The IC enables seamless communication between microcontrollers operating at different voltage domains. - Sensor Networks: It can be utilized to connect sensors with different logic voltage requirements to a central processing unit.

Detailed and Complete Alternative Models

Some alternative models that provide similar functionality to the 74HCT9115N,112 are: - SN74LVC1T45: A single-bit level shifter with bidirectional capability and a wide supply voltage range. - TXB0108: An 8-bit bidirectional voltage-level translator with automatic direction sensing. - PCA9306: A dual bidirectional I2C-bus and SMBus voltage-level translator.

These alternative models offer comparable features and can be considered based on specific project requirements.

Word count: 529 words

Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de 74HCT9115N,112 en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of 74HCT9115N,112 in technical solutions:

  1. Q: What is the function of the 74HCT9115N,112? A: The 74HCT9115N,112 is a dual 2-to-4 line decoder/demultiplexer IC that converts binary input signals into corresponding output lines.

  2. Q: What is the operating voltage range for the 74HCT9115N,112? A: The 74HCT9115N,112 operates within a voltage range of 2V to 6V.

  3. Q: How many inputs does the 74HCT9115N,112 have? A: The 74HCT9115N,112 has two 2-inputs, A0 and A1.

  4. Q: How many outputs does the 74HCT9115N,112 have? A: The 74HCT9115N,112 has four outputs, Y0, Y1, Y2, and Y3.

  5. Q: Can the 74HCT9115N,112 be used as a multiplexer? A: No, the 74HCT9115N,112 is specifically designed as a decoder/demultiplexer and cannot be used as a multiplexer.

  6. Q: What is the maximum frequency at which the 74HCT9115N,112 can operate? A: The 74HCT9115N,112 can operate at a maximum frequency of 25 MHz.

  7. Q: Can the 74HCT9115N,112 be cascaded to increase the number of outputs? A: Yes, multiple 74HCT9115N,112 ICs can be cascaded to increase the number of outputs.

  8. Q: What is the power supply current required for the 74HCT9115N,112? A: The power supply current required for the 74HCT9115N,112 is typically around 4 mA.

  9. Q: Can the 74HCT9115N,112 be used in both TTL and CMOS logic systems? A: Yes, the 74HCT9115N,112 is compatible with both TTL and CMOS logic systems.

  10. Q: Are there any specific precautions to consider when using the 74HCT9115N,112? A: It is important to ensure that the voltage levels applied to the inputs of the 74HCT9115N,112 are within the specified operating range to prevent damage to the IC. Additionally, proper decoupling capacitors should be used to stabilize the power supply.