onsemi MC74ACT125DG
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.17 | $1.17 |
| 15+ | $1.13 | $16.95 |
| 25+ | $1.11 | $27.75 |
| 50+ | $1.05 | $52.50 |
| 100+ | $0.92 | $92.00 |
| N+ | $0.18 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | onsemi |
| Product Series | 74ACT |
| Packaging | Factory | Tube |
| Part Status | Active |
| Logic Type | Buffer, Non-Inverting |
| Number of Elements | 4 |
| Number of Bits per Element | 1 |
| Input Type | - |
| Output Type | 3-State |
| Current - Output High, Low | 24mA, 24mA |
| Voltage - Supply | 4.5V ~ 5.5V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 14-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 14-SOIC |
| ROHS |
The MC74ACT125DG is a 5V buffer from onsemi, operating from 4.5V to 5.5V. It provides 4 channels of non-inverting buffering with 3-State outputs. With 24mA drive capability, it is perfect for 5V bus interfacing, microcontroller I/O expansion, and LED display driving.
- 5V Operation (4.5V-5.5V): Compatible with legacy and standard 5V logic systems.
- 24mA Output Drive: Drives LEDs and moderate loads directly.
- 3-State Outputs: Enables bus sharing in multi-device designs.
- TTL-Compatible Inputs: Easy to interface with TTL logic without extra components.
5V Bus Interfacing
The MC74ACT125DG is ideal for buffering 5V buses in industrial and consumer systems, ensuring clean signals over long traces.
Microcontroller I/O Expansion
Use it to buffer output pins of a 5V microcontroller, protecting it from external loads and noise.
LED Display Driving
With 24mA output, it can drive LED segments in 7-segment displays, simplifying multiplexing circuits.
Industrial Sensor Interfacing
In factory automation, it buffers 5V sensor signals, providing isolation and signal conditioning for PLC inputs.
Test Equipment
For benchtop instruments, this buffer ensures accurate signal reproduction in 5V logic circuits.
Automotive (Non-Critical)
In automotive infotainment, it buffers 5V control signals, ensuring reliable operation in moderate temperature environments.
- Q: What logic family is the MC74ACT125DG?
- A: It belongs to the 74ACT advanced CMOS family, TTL-compatible.
- Q: What is the function of this IC?
- A: It is a non-inverting buffer with 4 channels, ideal for 5V systems.
- Q: What is the output type?
- A: It features 3-State outputs for bus applications.
- Q: What is the voltage range?
- A: It operates from 4.5V to 5.5V, perfect for standard 5V logic.
- Q: What is the output current?
- A: It can source and sink 24mA, providing robust drive capability.
- Q: What package is available?
- A: It comes in a 14-SOIC package with a 3.90mm width.
- Q: What logic family is the MC74ACT125DG?
- A: It belongs to the 74ACT advanced CMOS family, TTL-compatible.
- Q: What is the function of this IC?
- A: It is a non-inverting buffer with 4 channels, ideal for 5V systems.
- Q: What is the output type?
- A: It features 3-State outputs for bus applications.
- Q: What is the voltage range?
- A: It operates from 4.5V to 5.5V, perfect for standard 5V logic.
- Q: What is the output current?
- A: It can source and sink 24mA, providing robust drive capability.
- Q: What package is available?
- A: It comes in a 14-SOIC package with a 3.90mm width.

MC74ACT125DG.pdf