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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | 74HC |
| Packaging | Bulk | |
| 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 | 7.8mA, 7.8mA |
| Voltage - Supply | 2V ~ 6V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 14-SSOP (0.209", 5.30mm Width) |
| Supplier Device Package | 14-SSOP |
The SN74HC125ADBR from Texas Instruments is a quad non-inverting buffer, part of the 74HC logic family. It operates over a wide supply voltage range of 2V to 6V, making it compatible with both 3.3V and 5V systems. This device features four independent buffers with 3-State outputs, each capable of sourcing and sinking 7.8mA. Packaged in a compact 14-SSOP, it is ideal for space-constrained applications. Typical uses include signal buffering, bus isolation, and driving LEDs in industrial and consumer electronics.
- Wide 2V to 6V Supply Range: Compatible with both 3.3V and 5V logic, simplifying design.
- Quad Channel Design: Buffers four signals in a single package, saving board space.
- 3-State Outputs: Allows for bus sharing and isolation, enhancing system flexibility.
- High-Temperature Operation (-40°C to 85°C): Suitable for industrial environments.
Multi-Channel Signal Buffering
With 4 independent buffers, the SN74HC125ADBR can buffer multiple signals simultaneously, making it ideal for data buses and control lines.
3.3V and 5V Mixed-Voltage Systems
Operating from 2V to 6V, it can interface between 3.3V and 5V logic, simplifying mixed-voltage designs.
Bus Isolation with 3-State Outputs
The 3-State outputs allow individual channels to be disabled, enabling multiple devices to share a bus without contention.
Driving LEDs and Relays
With 7.8mA drive capability, it can directly drive LEDs and small relays, reducing the need for external drivers.
Industrial Sensor Interfacing
With a temperature range of -40°C to 85°C, it can buffer sensor signals in industrial control systems, ensuring reliable data transmission.
Microcontroller I/O Expansion
It can be used to buffer and isolate microcontroller I/O pins, protecting them from external noise and loads.
- Q: What is the logic family of the SN74HC125ADBR?
- A: It belongs to the 74HC logic family, which is a high-speed CMOS family.
- Q: What is the function of this IC?
- A: It is a non-inverting buffer with 4 channels, providing signal isolation and drive.
- Q: What is the output type?
- A: It features 3-State outputs, allowing multiple outputs to be connected to a common bus.
- Q: What is the operating voltage range?
- A: It operates from 2V to 6V, making it versatile for both 3.3V and 5V systems.
- Q: What is the package type?
- A: It is available in a 14-SSOP package (0.209", 5.30mm width).
- Q: What is the output current capability?
- A: It can source and sink 7.8mA of current per channel.
SN74HC125ADBR.pdf
- Q: What is the logic family of the SN74HC125ADBR?
- A: It belongs to the 74HC logic family, which is a high-speed CMOS family.
- Q: What is the function of this IC?
- A: It is a non-inverting buffer with 4 channels, providing signal isolation and drive.
- Q: What is the output type?
- A: It features 3-State outputs, allowing multiple outputs to be connected to a common bus.
- Q: What is the operating voltage range?
- A: It operates from 2V to 6V, making it versatile for both 3.3V and 5V systems.
- Q: What is the package type?
- A: It is available in a 14-SSOP package (0.209", 5.30mm width).
- Q: What is the output current capability?
- A: It can source and sink 7.8mA of current per channel.