SN74AHCT126DG4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Buffer/Driver
• Characteristics: High-speed, CMOS technology
• 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 +85°C
• Propagation Delay Time: 7 ns (typical)
• Output Drive Capability: ±24 mA

Detailed Pin Configuration

The SN74AHCT126DG4 has a total of 14 pins, which are assigned as follows:

1. Pin 1: 1A (Input A)
2. Pin 2: 1Y (Output A)
3. Pin 3: 2A (Input B)
4. Pin 4: 2Y (Output B)
5. Pin 5: 3A (Input C)
6. Pin 6: 3Y (Output C)
7. Pin 7: 4A (Input D)
8. Pin 8: 4Y (Output D)
9. Pin 9: GND (Ground)
10. Pin 10: 3-State Control (G)
11. Pin 11: VCC (Supply Voltage)
12. Pin 12: NC (No Connection)
13. Pin 13: NC (No Connection)
14. Pin 14: NC (No Connection)

Functional Features

• Quad buffer gate with 3-state outputs
• High-speed operation
• Compatible with TTL (Transistor-Transistor Logic) input levels
• Low power consumption
• Balanced propagation delays

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data transfer - 3-state outputs provide flexibility in controlling bus lines - Low power consumption helps conserve energy - Compatibility with TTL input levels simplifies integration into existing systems

Disadvantages: - Limited output drive capability may restrict use in certain applications - Temperature range limitations (-40°C to +85°C) may not be suitable for extreme environments

Working Principles

The SN74AHCT126DG4 is a quad buffer gate that amplifies and buffers digital signals. It operates using CMOS technology, which ensures high-speed performance and low power consumption. The 3-state outputs allow the device to be connected to a common bus line, enabling multiple devices to share the same communication channel.

Detailed Application Field Plans

The SN74AHCT126DG4 is commonly used in various applications, including:

1. Data communication systems
2. Microcontrollers and microprocessors
3. Memory interfaces
4. Industrial automation
5. Automotive electronics

Detailed and Complete Alternative Models

1. SN74AHCT125DG4: Quad buffer gate with 3-state outputs, similar characteristics and package.
2. SN74AHCT541DG4: Octal buffer/line driver with 3-state outputs, higher output drive capability.
3. SN74AHCT08DG4: Quad 2-input AND gate, different functionality but compatible package.

These alternative models offer similar features and can be considered as substitutes depending on specific requirements.

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