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M74HC4049B1R
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M74HC4049B1R

Product Overview

Category

M74HC4049B1R belongs to the category of integrated circuits (ICs).

Use

It is commonly used as a hex inverting high-to-low level shifter/buffer.

Characteristics

  • Hex inverting buffers with high-to-low level shifting capability.
  • Wide operating voltage range: 2V to 6V.
  • High noise immunity: VNIH = VNIL = 28% VCC (min).
  • Low power consumption: ICC = 4µA (max) at TA = 25°C.
  • Balanced propagation delays: tpLH ≅ tpHL.
  • Symmetrical output impedance: |IOH| = IOL = 4mA (min).
  • Enhanced ESD protection: HBM JESD22-A114E exceeds 2000V.

Package

The M74HC4049B1R is available in a 16-lead SOIC (Small Outline Integrated Circuit) package.

Essence

The essence of M74HC4049B1R lies in its ability to invert and shift high-level signals to low-level signals, making it suitable for various digital applications.

Packaging/Quantity

The M74HC4049B1R is typically packaged in reels containing 2500 units per reel.

Specifications

  • Supply Voltage Range: 2V to 6V
  • Input Voltage Range: 0V to VCC
  • Output Voltage Range: 0V to VCC
  • Operating Temperature Range: -40°C to +125°C
  • Input Capacitance: 3.5pF (typ)
  • Propagation Delay Time: 20ns (typ)

Detailed Pin Configuration

The M74HC4049B1R has a total of 16 pins arranged as follows:

+---+--+---+ A1 -|1 +--+ 16|- VCC A2 -|2 15|- B1 A3 -|3 14|- B2 A4 -|4 13|- B3 A5 -|5 12|- B4 A6 -|6 11|- B5 GND -|7 10|- B6 Y1 -|8 9|- Y6 +----------+

Functional Features

  • Hex inverting buffers with high-to-low level shifting capability.
  • Wide operating voltage range allows compatibility with various systems.
  • High noise immunity ensures reliable signal transmission.
  • Low power consumption makes it suitable for battery-powered devices.
  • Balanced propagation delays ensure accurate signal timing.
  • Symmetrical output impedance simplifies circuit design.
  • Enhanced ESD protection safeguards against electrostatic discharge.

Advantages and Disadvantages

Advantages

  • Versatile hex inverting buffer with level shifting capability.
  • Wide operating voltage range for compatibility.
  • High noise immunity for reliable signal transmission.
  • Low power consumption for energy-efficient applications.
  • Enhanced ESD protection for improved reliability.

Disadvantages

  • Limited to hex inverting buffer functionality.
  • Not suitable for applications requiring level shifting from low to high.

Working Principles

The M74HC4049B1R operates by taking the input signals and inverting them while shifting the high-level signals to low-level signals. This is achieved through a combination of internal circuitry and logic gates, allowing for efficient signal processing.

Detailed Application Field Plans

The M74HC4049B1R finds application in various digital systems where high-to-low level shifting and inversion are required. Some common application fields include:

  1. Logic level conversion in microcontrollers and microprocessors.
  2. Signal conditioning in communication systems.
  3. Interface circuitry in industrial automation.
  4. Data transmission in automotive electronics.
  5. Signal buffering in consumer electronics.

Detailed and Complete Alternative Models

  1. CD4049UB: Hex inverting buffer with level shifting capability, similar to M74HC4049B1R.
  2. SN74HC4049: Hex inverting high-to-low level shifter/buffer, compatible alternative.
  3. MC74HC4049: Hex inverter with high-to-low level shifting, suitable replacement.

These alternative models offer similar functionality and can be used as substitutes for the M74HC4049B1R in various applications.

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技術ソリューションにおける M74HC4049B1R の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of M74HC4049B1R in technical solutions:

  1. Q: What is the M74HC4049B1R? A: The M74HC4049B1R is a hex inverter/buffer IC (integrated circuit) that can be used for signal amplification, level shifting, and logic inversion.

  2. Q: What is the voltage supply range for the M74HC4049B1R? A: The M74HC4049B1R operates with a voltage supply range of 2V to 6V.

  3. Q: How many inverters are there in the M74HC4049B1R? A: The M74HC4049B1R contains six independent inverters.

  4. Q: Can the M74HC4049B1R be used for level shifting between different voltage domains? A: Yes, the M74HC4049B1R can be used for level shifting as it supports a wide voltage supply range.

  5. Q: What is the maximum output current of the M74HC4049B1R? A: The maximum output current of the M74HC4049B1R is typically around 5mA.

  6. Q: Is the M74HC4049B1R compatible with TTL (Transistor-Transistor Logic) inputs? A: Yes, the M74HC4049B1R is compatible with TTL inputs, making it suitable for interfacing with TTL-based devices.

  7. Q: Can the M74HC4049B1R be used for signal buffering and amplification? A: Yes, the M74HC4049B1R can be used for signal buffering and amplification as it provides high input impedance and low output impedance.

  8. Q: What is the propagation delay of the M74HC4049B1R? A: The propagation delay of the M74HC4049B1R is typically around 11ns.

  9. Q: Can the M74HC4049B1R be used in high-speed applications? A: Yes, the M74HC4049B1R is designed for high-speed operation, making it suitable for various high-frequency applications.

  10. Q: Are there any specific precautions to consider when using the M74HC4049B1R? A: It is important to ensure proper decoupling capacitors are used near the power supply pins of the M74HC4049B1R to minimize noise and voltage fluctuations. Additionally, care should be taken to avoid exceeding the maximum voltage supply range.