SN74AHC125QDRQ1

Product Overview

• Category: Integrated Circuit (IC)
• Use: Buffer/Driver
• Characteristics: High-speed, low-power, non-inverting
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Quad bus buffer gate with 3-state outputs
• Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2 V to 5.5 V
• Input Voltage Range: 0 V to VCC
• Output Voltage Range: 0 V to VCC
• Operating Temperature Range: -40°C to +125°C
• Output Drive Capability: ±24 mA at 3.3 V
• Propagation Delay: 4.8 ns (typical)

Detailed Pin Configuration

The SN74AHC125QDRQ1 has a total of 14 pins, which are labeled as follows:

1. OE (Output Enable) 1
2. Y1 (Output) 1
3. A1 (Input) 1
4. B1 (Input) 1
5. GND (Ground)
6. B2 (Input) 2
7. A2 (Input) 2
8. Y2 (Output) 2
9. OE (Output Enable) 2
10. VCC (Supply Voltage)
11. Y3 (Output) 3
12. A3 (Input) 3
13. B3 (Input) 3
14. OE (Output Enable) 3

Functional Features

• Quad buffer gates with 3-state outputs
• Non-inverting logic
• High-speed operation
• Low power consumption
• Wide supply voltage range
• ESD protection on all inputs and outputs
• Balanced propagation delays
• Supports mixed-mode voltage operation

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data transfer - Low power consumption helps conserve energy - Wide supply voltage range enables compatibility with various systems - ESD protection ensures reliability in harsh environments - Balanced propagation delays ensure accurate signal timing

Disadvantages: - Limited output drive capability compared to some other buffer/driver ICs - Only supports non-inverting logic, may not be suitable for certain applications requiring inverting functionality

Working Principles

The SN74AHC125QDRQ1 is a quad bus buffer gate that amplifies and buffers input signals while providing 3-state outputs. It operates using non-inverting logic, meaning the output signal matches the input signal. The IC is designed to work within a wide supply voltage range of 2 V to 5.5 V, making it compatible with various electronic systems. It also features ESD protection on all inputs and outputs, ensuring reliable operation even in harsh environments.

Detailed Application Field Plans

The SN74AHC125QDRQ1 can be used in various applications, including but not limited to:

1. Data communication systems: The high-speed operation and low power consumption make it suitable for buffering and driving signals in data communication systems such as UART, SPI, and I2C.

2. Industrial automation: The IC can be used in industrial automation systems for buffering and driving control signals between different modules or devices.

3. Automotive electronics: With its automotive-grade qualification (QDRQ1), the SN74AHC125QDRQ1 is ideal for automotive applications, including infotainment systems, body control modules, and engine management systems.

4. Consumer electronics: The IC can be utilized in consumer electronics products like smartphones, tablets, and gaming consoles for signal buffering and driving purposes.

Detailed and Complete Alternative Models

1. SN74AHC125QDGNRQ1: Similar to SN74AHC125QDRQ1, but available in a different package (TSSOP) and with green packaging for environmental considerations.

2. SN74LVC125AQDRQ1: A similar quad buffer gate IC, but operates at lower voltage levels (1.65 V to 5.5 V) and has a higher output drive capability.

3. SN74HCT125QDRQ1: Another alternative with 3-state outputs, but operates at higher voltage levels (4.5 V to 5.5 V) and has Schmitt-trigger inputs for improved noise immunity.

4. SN74LV1T125DBVR: A single-channel buffer/driver IC with 3-state output, suitable for applications requiring only one buffer gate.

These alternative models provide options with different specifications and features to cater to specific application requirements.

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