ON Semiconductor
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MC74LCX16244DTG
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MC74LCX16244DTG

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Logic Level Translator
  • Characteristics: High-speed, low-voltage, non-inverting buffer/line driver
  • Package: TSSOP-48
  • Essence: Logic level translation between different voltage domains
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Supply Voltage Range: 1.65V to 5.5V
  • Input Voltage Range: 0V to VCC
  • Output Voltage Range: 0V to VCC
  • Maximum Operating Frequency: 100 MHz
  • Number of Channels: 16
  • Input/Output Type: Non-Inverting
  • Propagation Delay: 3.8 ns (typical)
  • Output Drive Strength: ±24 mA

Detailed Pin Configuration

The MC74LCX16244DTG has a total of 48 pins, arranged as follows:

+---------------------+ OE1 |1 48| VCC I/O1 |2 47| GND I1A |3 46| I/O16 I2A |4 45| I/O15 I3A |5 44| I/O14 I4A |6 43| I/O13 I5A |7 42| I/O12 I6A |8 41| I/O11 I7A |9 40| I/O10 I8A |10 39| I/O9 I9A |11 38| I/O8 I10A |12 37| I/O7 I11A |13 36| I/O6 I12A |14 35| I/O5 I13A |15 34| I/O4 I14A |16 33| I/O3 I15A |17 32| I/O2 I16A |18 31| I/O1 GND |19 30| OE2 VCC |20 29| I1B I/O16 |21 28| I2B I/O15 |22 27| I3B I/O14 |23 26| I4B I/O13 |24 25| I5B +---------------------+

Functional Features

  • Logic level translation between different voltage domains
  • Non-inverting buffer/line driver
  • High-speed operation
  • Low-voltage operation
  • Wide supply voltage range
  • 3-state outputs for bus-oriented applications

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data transfer - Wide supply voltage range enables compatibility with various systems - Non-inverting buffer/line driver simplifies signal processing - 3-state outputs facilitate bus-oriented applications

Disadvantages: - Limited to 16 channels, may not be suitable for larger-scale systems - Propagation delay of 3.8 ns may introduce timing issues in certain applications

Working Principles

The MC74LCX16244DTG is designed to translate logic levels between different voltage domains. It operates as a non-inverting buffer/line driver, allowing for bidirectional data transfer. The IC uses a combination of MOSFETs and CMOS technology to achieve high-speed operation while maintaining low power consumption.

When an input signal is applied to one of the sixteen input channels, the MC74LCX16244DTG amplifies and translates the logic level to match the voltage requirements of the output domain. The translated signal is then available at the corresponding output channel.

Detailed Application Field Plans

The MC74LCX16244DTG can be used in various applications, including but not limited to:

  1. Microcontroller interfacing with different voltage peripherals
  2. Level shifting in communication systems (e.g., UART, SPI, I2C)
  3. Signal buffering in data acquisition systems
  4. Bus-oriented architectures requiring bidirectional data transfer
  5. Logic level translation in battery-powered devices

Detailed and Complete Alternative Models

  1. SN74LVC16T245DGGR: 16-bit dual-supply bus transceiver with configurable voltage translation and 3-state outputs.
  2. TXB0108PWR: 8-bit bidirectional voltage-level translator with automatic direction sensing and integrated pull-up resistors.
  3. PCA9306DCUR: Dual bidirectional I2C-bus and SMBus voltage-level translator with adjustable VREF.
  4. FXMA2102L8X: 8-channel

Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan MC74LCX16244DTG dalam solusi teknis

Sure! Here are 10 common questions and answers related to the application of MC74LCX16244DTG in technical solutions:

  1. Q: What is MC74LCX16244DTG? A: MC74LCX16244DTG is a specific type of integrated circuit (IC) that functions as a 16-bit buffer/driver with 3-state outputs.

  2. Q: What are the typical applications of MC74LCX16244DTG? A: MC74LCX16244DTG is commonly used in various digital systems, such as data communication, networking, and memory interfaces.

  3. Q: What is the operating voltage range for MC74LCX16244DTG? A: The operating voltage range for MC74LCX16244DTG is typically between 2.0V and 3.6V.

  4. Q: Can MC74LCX16244DTG handle high-speed data signals? A: Yes, MC74LCX16244DTG is designed to handle high-speed data signals, making it suitable for applications requiring fast data transfer rates.

  5. Q: How many output pins does MC74LCX16244DTG have? A: MC74LCX16244DTG has 16 output pins, each capable of driving a single line.

  6. Q: Does MC74LCX16244DTG support bidirectional data flow? A: No, MC74LCX16244DTG is a unidirectional buffer/driver, meaning it can only drive data from input to output.

  7. Q: What is the maximum output current that MC74LCX16244DTG can provide? A: MC74LCX16244DTG can typically provide a maximum output current of around 24mA.

  8. Q: Can MC74LCX16244DTG tolerate overvoltage on its inputs? A: Yes, MC74LCX16244DTG has built-in protection mechanisms that allow it to tolerate overvoltage conditions on its inputs.

  9. Q: Is MC74LCX16244DTG compatible with other logic families? A: Yes, MC74LCX16244DTG is designed to be compatible with both 3.3V and 5V logic families, making it versatile for various system designs.

  10. Q: Are there any specific layout considerations when using MC74LCX16244DTG? A: Yes, it is recommended to follow the manufacturer's guidelines for proper decoupling, signal integrity, and thermal management during PCB layout to ensure optimal performance of MC74LCX16244DTG.

Please note that these answers are general and may vary depending on the specific datasheet and application requirements of MC74LCX16244DTG.