Texas Instruments
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SN74AHCT126QPWRQ1
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SN74AHCT126QPWRQ1

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Buffer/Driver
  • Characteristics: High-speed, low-power, quad bus buffer with 3-state outputs
  • Package: TSSOP (Thin Shrink Small Outline Package)
  • Essence: The SN74AHCT126QPWRQ1 is a high-performance buffer/driver IC designed for use in automotive applications.
  • Packaging/Quantity: Available in tape and reel packaging with 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 +125°C
  • Output Drive Capability: ±8mA at 5V
  • Propagation Delay: 6ns typical at 5V
  • Quiescent Current: 2μA maximum at 25°C

Detailed Pin Configuration

The SN74AHCT126QPWRQ1 has a total of 14 pins arranged as follows:

___________ 1 | | 14 2 | | 13 3 | | 12 4 | | 11 5 | | 10 6 | | 9 7 |_____________| 8

Pin Description: 1. Output Enable (OE) 2. Input A 3. Output Y1 4. GND (Ground) 5. Output Y2 6. Input B 7. Output Y3 8. VCC (Supply Voltage) 9. Output Y4 10. Input C 11. Output Y5 12. GND (Ground) 13. Output Y6 14. Output Y7

Functional Features

  • Quad 3-state non-inverting buffer/driver
  • High-speed operation with low power consumption
  • 3-state outputs for bus-oriented applications
  • Schmitt-trigger inputs for noise immunity
  • Automotive-grade reliability and performance

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data transfer - Low-power consumption helps in reducing overall system energy requirements - 3-state outputs enable easy interfacing with bus systems - Schmitt-trigger inputs provide noise immunity, ensuring reliable operation - Automotive-grade reliability ensures performance in harsh environments

Disadvantages: - Limited output drive capability may not be suitable for high-current applications - Restricted supply voltage range may limit compatibility with certain systems

Working Principles

The SN74AHCT126QPWRQ1 is a quad buffer/driver IC that amplifies and buffers digital signals. It operates by receiving input signals on the A, B, and C pins and providing amplified outputs on the corresponding Y1 to Y7 pins. The OE pin controls the output enable/disable functionality, allowing the outputs to be put in a high-impedance state when disabled.

Detailed Application Field Plans

The SN74AHCT126QPWRQ1 is commonly used in automotive electronics applications, including:

  1. Automotive control modules
  2. Infotainment systems
  3. Body electronics
  4. Powertrain systems
  5. Lighting systems

Its high-speed operation, low-power consumption, and automotive-grade reliability make it suitable for various automotive applications requiring signal buffering and driving capabilities.

Detailed and Complete Alternative Models

  1. SN74AHCT125QPWRQ1: Similar to SN74AHCT126QPWRQ1 but with tri-state outputs instead of 3-state outputs.
  2. SN74AHCT240QPWRQ1: Octal buffer/driver IC with 3-state outputs.
  3. SN74AHCT541QPWRQ1: Octal buffer/driver IC with 3-state outputs and increased output drive capability.

These alternative models offer similar functionality to the SN74AHCT126QPWRQ1 and can be considered as alternatives based on specific application requirements.

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قم بإدراج 10 أسئلة وإجابات شائعة تتعلق بتطبيق SN74AHCT126QPWRQ1 في الحلول التقنية

Sure! Here are 10 common questions and answers related to the application of SN74AHCT126QPWRQ1 in technical solutions:

1. What is SN74AHCT126QPWRQ1? SN74AHCT126QPWRQ1 is a quad bus buffer gate with 3-state outputs, which means it can be used to control the flow of signals between different parts of a circuit.

2. What is the voltage range supported by SN74AHCT126QPWRQ1? SN74AHCT126QPWRQ1 supports a voltage range of 4.5V to 5.5V.

3. Can SN74AHCT126QPWRQ1 be used for level shifting? Yes, SN74AHCT126QPWRQ1 can be used for level shifting as it has 3-state outputs that can handle different voltage levels.

4. How many channels does SN74AHCT126QPWRQ1 have? SN74AHCT126QPWRQ1 has four independent channels, allowing it to handle multiple signals simultaneously.

5. What is the maximum output current of SN74AHCT126QPWRQ1? The maximum output current of SN74AHCT126QPWRQ1 is typically 8mA.

6. Can SN74AHCT126QPWRQ1 be used in automotive applications? Yes, SN74AHCT126QPWRQ1 is specifically designed for automotive applications and is qualified for use in automotive environments.

7. Is SN74AHCT126QPWRQ1 compatible with other logic families? Yes, SN74AHCT126QPWRQ1 is compatible with a wide range of logic families, including TTL, CMOS, and LVTTL.

8. What is the operating temperature range of SN74AHCT126QPWRQ1? SN74AHCT126QPWRQ1 has an operating temperature range of -40°C to 125°C, making it suitable for various environments.

9. Can SN74AHCT126QPWRQ1 be used in high-speed applications? Yes, SN74AHCT126QPWRQ1 can be used in high-speed applications as it has a typical propagation delay of 5.5ns.

10. What is the package type of SN74AHCT126QPWRQ1? SN74AHCT126QPWRQ1 comes in a TSSOP-14 package, which is compact and suitable for space-constrained designs.

Please note that these answers are general and may vary depending on the specific application and requirements. It's always recommended to refer to the datasheet and consult with the manufacturer for detailed information.