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The 74HCT125 Quad Buffer/Line Driver is a reliable high-speed CMOS logic IC designed for digital signal buffering and bus interfacing. This quad buffer features four independent non-inverting buffers, each with its own output enable control, allowing precise signal management in shared bus systems. Because it belongs to the HCT logic family, it offers TTL-compatible input thresholds, making it perfect for mixed logic applications involving microcontrollers, processors, and other digital systems. Additionally, its 3-state output capability enables safe multi-device communication without signal conflicts. With low power consumption, strong noise immunity, and fast switching performance, the 74HCT125 is widely used in embedded systems, robotics, and electronics development projects. Featured By RoboticsBD.
Product Images are shown for illustrative purposes only and may differ from the actual product.
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Four Independent Buffers – Handle multiple digital signals within one compact IC.
Individual Output Enable Pins – Control each channel separately for flexible system design.
3-State Output Capability – Supports shared bus systems without data collision.
TTL-Compatible Inputs – Easily interfaces with standard TTL and microcontroller logic.
High Noise Immunity CMOS Design – Ensures stable and reliable signal transmission.
Fast Switching Performance – Ideal for high-speed digital communication circuits.
Low Power Consumption – Suitable for embedded and battery-powered projects.
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Microcontroller and processor signal buffering.
Data bus isolation and shared bus control.
Digital signal conditioning and line driving.
Logic level interfacing in mixed-voltage systems.
Robotics, automation, and DIY electronics projects.
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| General Specifications | |
| Product Name | 74HCT125 |
| IC Type | Quad Buffer / Line Driver |
| Logic Family | HCT (TTL-Compatible CMOS) |
| Channels | 4 Independent Buffers |
| Output Type | 3-State (High / Low / High-Z) |
| Supply Voltage | 4.5V – 5.5V |
| Typical Operating Voltage | 5V |
| Package Type | DIP-14 / SOP-14 |
| Operating Temperature | −40°C to +85°C |
| Noise Immunity | High |
| Power Consumption | Low |
| Shipment Weight | 0.005 kg |
| Shipment Dimensions | 3 × 3 × 3 cm |
Please allow 5% measuring deviation due to manual measurement.
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1 x 74HCT125 4-Ch Buffer with 3-State Outputs
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