74HCT125N,652

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Buffer/Line Driver
• Characteristics: High-speed, CMOS compatible, Quad 3-state non-inverting buffer
• Package: DIP-14 (Dual In-line Package with 14 pins)
• Essence: Logic gate with four independent buffer gates
• Packaging/Quantity: Tape and Reel, 2,500 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 Current: ±6mA
• Propagation Delay: 10ns (typical)
• Output Capacitance: 15pF (typical)

Detailed Pin Configuration

1. GND (Ground)
2. A1 (Input A1)
3. Y1 (Output Y1)
4. A2 (Input A2)
5. Y2 (Output Y2)
6. GND (Ground)
7. A3 (Input A3)
8. Y3 (Output Y3)
9. A4 (Input A4)
10. Y4 (Output Y4)
11. OE (Output Enable)
12. GND (Ground)
13. VCC (Supply Voltage)
14. GND (Ground)

Functional Features

• Quad non-inverting buffer gates
• 3-state outputs for bus-oriented applications
• High-speed operation
• CMOS compatible inputs
• Balanced propagation delays
• Low power consumption
• Wide operating voltage range

Advantages

• Provides buffering and signal amplification capabilities
• Enables bidirectional communication between different logic families
• Allows multiple devices to share a common bus without interference
• Supports high-speed data transmission
• Low power consumption enhances energy efficiency

Disadvantages

• Limited output current capacity may restrict certain applications
• Requires careful consideration of voltage compatibility with other devices
• Sensitivity to electrostatic discharge (ESD) requires proper handling precautions

Working Principles

The 74HCT125N,652 is a quad non-inverting buffer gate that amplifies and buffers digital signals. It operates by receiving input signals on the A1-A4 pins and providing amplified outputs on the Y1-Y4 pins. The OE pin controls the output enable/disable function, allowing the device to be put in a high-impedance state when not in use.

Detailed Application Field Plans

• Digital signal buffering in microcontrollers and microprocessors
• Level shifting between different logic families (e.g., TTL to CMOS)
• Bus driving in computer systems and communication interfaces
• Signal isolation and fan-out expansion in electronic circuits
• Interface protection against noise and voltage spikes

Detailed and Complete Alternative Models

• SN74HCT125N: Similar quad non-inverting buffer gate from Texas Instruments
• MC74HCT125AN: Equivalent device from ON Semiconductor
• CD74HCT125E: Quad buffer gate offered by Texas Instruments
• 74HC125: Non-inverting buffer gate from various manufacturers

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