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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