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SN74AHCT16540DGVR
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SN74AHCT16540DGVR

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Logic Level Shifter
  • Characteristics: High-speed, low-power, 16-bit buffer/line driver with 3-state outputs
  • Package: VSSOP (Very Small Outline Package)
  • Essence: Logic level shifting and buffering
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

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
  • Output Drive Capability: ±24mA at 3.3V
  • Propagation Delay: 6ns typical
  • Maximum Frequency: 125MHz

Detailed Pin Configuration

The SN74AHCT16540DGVR has a total of 48 pins, which are divided into four groups:

  1. Group A (pins 1-12): Inputs (A1-A12) and Outputs (Y1-Y12)
  2. Group B (pins 13-24): Inputs (A13-A24) and Outputs (Y13-Y24)
  3. Group C (pins 25-36): Inputs (A25-A36) and Outputs (Y25-Y36)
  4. Group D (pins 37-48): Inputs (A37-A48) and Outputs (Y37-Y48)

Functional Features

  • 16-bit buffer/line driver with 3-state outputs
  • Non-inverting outputs for easy cascading
  • 3-state outputs allow multiple devices to share the same bus
  • High-speed operation suitable for various applications
  • Low power consumption for energy efficiency

Advantages and Disadvantages

Advantages: - High-speed operation enables efficient data transfer - Low power consumption reduces energy usage - 3-state outputs allow for bus sharing and flexibility in system design

Disadvantages: - Limited voltage range (4.5V to 5.5V) - Propagation delay may affect timing-sensitive applications

Working Principles

The SN74AHCT16540DGVR is a logic level shifter that allows for bidirectional voltage translation between different logic levels. It operates by receiving input signals at one voltage level and producing output signals at a different voltage level. The device uses non-inverting buffers to ensure signal integrity and provides 3-state outputs, which can be disabled to effectively disconnect the device from the bus.

Detailed Application Field Plans

The SN74AHCT16540DGVR is commonly used in various applications, including:

  1. Microcontroller interfacing: It facilitates communication between microcontrollers operating at different voltage levels.
  2. Data transmission systems: It enables voltage level shifting in serial communication interfaces such as UART, SPI, and I2C.
  3. Industrial automation: It is utilized in control systems where different components operate at different voltage levels.
  4. Automotive electronics: It finds application in automotive systems that require voltage level translation, such as CAN bus interfaces.

Detailed and Complete Alternative Models

  1. SN74AHCT125: Quad buffer/line driver with 3-state outputs
  2. SN74LVC1G125: Single buffer/line driver with 3-state output
  3. SN74LVCH16245A: 16-bit bus transceiver with 3-state outputs
  4. SN74LVC4245A: Octal bus transceiver with 3-state outputs

These alternative models offer similar functionality and can be considered as replacements for the SN74AHCT16540DGVR in specific applications.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av SN74AHCT16540DGVR i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of SN74AHCT16540DGVR:

  1. Q: What is SN74AHCT16540DGVR? A: SN74AHCT16540DGVR is a 16-bit buffer/driver with 3-state outputs, designed for use in various technical solutions.

  2. Q: What is the operating voltage range of SN74AHCT16540DGVR? A: The operating voltage range is typically between 4.5V and 5.5V.

  3. Q: What is the maximum output current of SN74AHCT16540DGVR? A: The maximum output current is typically 8mA.

  4. Q: Can SN74AHCT16540DGVR be used for level shifting applications? A: Yes, SN74AHCT16540DGVR can be used for level shifting as it supports both TTL and CMOS logic levels.

  5. Q: How many 3-state outputs does SN74AHCT16540DGVR have? A: SN74AHCT16540DGVR has 16 3-state outputs.

  6. Q: What is the propagation delay of SN74AHCT16540DGVR? A: The propagation delay is typically around 7ns.

  7. Q: Is SN74AHCT16540DGVR compatible with other logic families? A: Yes, SN74AHCT16540DGVR is compatible with a wide range of logic families including TTL, CMOS, and LVTTL.

  8. Q: Can SN74AHCT16540DGVR be used in high-speed applications? A: Yes, SN74AHCT16540DGVR is designed for high-speed operation and can be used in such applications.

  9. Q: Does SN74AHCT16540DGVR have built-in ESD protection? A: Yes, SN74AHCT16540DGVR has built-in ESD protection to safeguard against electrostatic discharge.

  10. Q: What is the package type of SN74AHCT16540DGVR? A: SN74AHCT16540DGVR comes in a small and compact VSSOP-48 package.

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