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SN74AHCT16540DGGR
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SN74AHCT16540DGGR

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: TSSOP-56
  • Essence: This IC is designed to shift logic levels between different voltage domains in digital systems.
  • 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
  • Input Capacitance: 3pF
  • Output Capacitance: 6pF
  • Propagation Delay: 7ns (typical)
  • Output Drive Capability: ±24mA

Detailed Pin Configuration

The SN74AHCT16540DGGR has a total of 56 pins arranged as follows:

  1. OE (Output Enable) 1
  2. A1 (Data Input) 1
  3. Y1 (Data Output) 1
  4. GND (Ground)
  5. Y2 (Data Output) 2
  6. A2 (Data Input) 2
  7. OE (Output Enable) 2
  8. VCC (Supply Voltage)

...

Functional Features

  • High-speed operation allows for efficient data transfer between different voltage domains.
  • Low-power consumption makes it suitable for battery-powered devices.
  • 3-state outputs provide flexibility in controlling the flow of data.
  • Schmitt-trigger inputs ensure reliable operation even in noisy environments.

Advantages

  • Wide supply voltage range allows compatibility with various systems.
  • High output drive capability enables driving capacitive loads.
  • 3-state outputs facilitate bus sharing and multiplexing.

Disadvantages

  • Limited number of input/output pins may restrict the size of the system it can be used in.
  • Propagation delay may introduce timing issues in certain applications.

Working Principles

The SN74AHCT16540DGGR operates by receiving data inputs from one voltage domain and shifting them to another voltage domain using level-shifting circuitry. The output enable pin allows the user to control the flow of data, while the 3-state outputs provide flexibility in connecting multiple devices to a common bus.

Detailed Application Field Plans

The SN74AHCT16540DGGR is commonly used in digital systems where logic level shifting is required. Some specific application areas include:

  1. Communication Systems: Used for interfacing between different voltage domains in communication protocols such as UART, SPI, and I2C.
  2. Microcontroller Interfaces: Enables communication between microcontrollers operating at different voltage levels.
  3. Sensor Networks: Facilitates data exchange between sensors and microcontrollers with varying voltage requirements.
  4. Industrial Automation: Allows for seamless integration of devices operating at different logic levels in industrial control systems.

Detailed and Complete Alternative Models

  1. SN74AHCT125: Quad buffer/line driver with 3-state outputs
  2. SN74LVC1G34: Single buffer gate with 3-state output
  3. SN74LVCH16245A: 16-bit bus transceiver with 3-state outputs

These alternative models offer similar functionality and can be considered as substitutes for the SN74AHCT16540DGGR depending on specific requirements.

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Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan SN74AHCT16540DGGR dalam solusi teknis

Sure! Here are 10 common questions and answers related to the application of SN74AHCT16540DGGR:

  1. Q: What is SN74AHCT16540DGGR? A: SN74AHCT16540DGGR is a 16-bit buffer/driver with 3-state outputs, commonly used in digital systems.

  2. Q: What is the voltage supply range for SN74AHCT16540DGGR? A: The voltage supply range for SN74AHCT16540DGGR is typically between 4.5V and 5.5V.

  3. Q: What is the maximum operating frequency of SN74AHCT16540DGGR? A: The maximum operating frequency of SN74AHCT16540DGGR is typically around 100 MHz.

  4. Q: Can SN74AHCT16540DGGR be used as a level shifter? A: Yes, SN74AHCT16540DGGR can be used as a level shifter to convert signals between different voltage levels.

  5. Q: How many output pins does SN74AHCT16540DGGR have? A: SN74AHCT16540DGGR has 16 output pins, each capable of driving up to 8 mA.

  6. Q: Is SN74AHCT16540DGGR compatible with TTL logic levels? A: Yes, SN74AHCT16540DGGR is compatible with both TTL and CMOS logic levels.

  7. Q: Can SN74AHCT16540DGGR be used in high-speed applications? A: Yes, SN74AHCT16540DGGR is designed for high-speed operation and can be used in applications that require fast data transfer.

  8. Q: Does SN74AHCT16540DGGR have built-in protection against electrostatic discharge (ESD)? A: Yes, SN74AHCT16540DGGR has built-in ESD protection to prevent damage from static electricity.

  9. Q: Can SN74AHCT16540DGGR be used in automotive applications? A: Yes, SN74AHCT16540DGGR is qualified for automotive applications and meets the necessary standards.

  10. Q: What is the package type of SN74AHCT16540DGGR? A: SN74AHCT16540DGGR comes in a TSSOP-48 package, which is a small surface-mount package with 48 pins.

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