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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | 74ALVC |
| 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 | 24mA, 24mA |
| Voltage - Supply | 1.65V ~ 3.6V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 14-SOIC (0.209", 5.30mm Width) |
| Supplier Device Package | 14-SO |
The SN74ALVC126NS is a quad non-inverting buffer from the 74ALVC family, designed for low-voltage, high-speed applications. Operating from 1.65V to 3.6V, it provides excellent signal buffering with 24mA output drive. The 3-State outputs enable bus-oriented designs, while the compact 14-pin SOIC package saves board space. This buffer is ideal for level shifting, signal distribution, and memory interfacing in modern digital systems.
- Ultra-Low-Voltage Operation (1.65V to 3.6V): Supports the latest low-power logic standards, including 1.8V and 2.5V systems.
- High Output Drive (24mA): Ensures strong signal integrity even with heavy capacitive loads.
- 3-State Outputs: Provides flexibility for bus sharing and isolation in complex systems.
- High-Speed Performance: Optimized for fast switching, making it suitable for high-frequency applications.
Low-Voltage Bus Buffering
The SN74ALVC126NS is ideal for buffering signals in 1.8V to 3.3V systems. Its 3-State outputs allow multiple buffers to share a common bus, preventing data corruption in multi-master architectures.
Level Shifting for FPGA/ASIC Interfaces
When interfacing between a 1.8V FPGA and a 3.3V peripheral, this buffer can be powered at 3.3V while accepting 1.8V inputs (above VIH), providing a clean level-shifted output.
High-Speed Signal Distribution
With 24mA drive capability, this buffer can distribute high-frequency clock or data signals to multiple loads without significant degradation, maintaining signal integrity in high-speed digital systems.
Memory Address/Data Buffering
In systems with SRAM or flash memory, the SN74ALVC126NS can buffer address and data lines, reducing the load on the memory controller and improving overall system reliability.
Portable and Battery-Powered Devices
Its low-voltage operation (1.65V to 3.6V) makes it perfect for battery-powered devices, where power consumption is critical. The buffer ensures reliable signal transmission while minimizing energy usage.
Server and Networking Equipment
In high-density server boards, this buffer can be used to fan out control signals to multiple components, ensuring consistent logic levels across the board.
- Q: What is the logic family of the SN74ALVC126NS?
- A: It belongs to the 74ALVC (Advanced Low-Voltage CMOS) logic family.
- Q: What is the function of this IC?
- A: It is a quad (4-channel) non-inverting buffer with 3-State outputs.
- Q: How many channels does it have?
- A: It has 4 independent buffer channels.
- Q: What is the output type?
- A: The outputs are 3-State, allowing for high-impedance states when disabled.
- Q: What is the operating voltage range?
- A: It operates from 1.65V to 3.6V, supporting low-voltage logic.
- Q: What package is available?
- A: It is offered in a 14-pin SOIC package (5.30mm width).
SN74ALVC126NS.pdf
- Q: What is the logic family of the SN74ALVC126NS?
- A: It belongs to the 74ALVC (Advanced Low-Voltage CMOS) logic family.
- Q: What is the function of this IC?
- A: It is a quad (4-channel) non-inverting buffer with 3-State outputs.
- Q: How many channels does it have?
- A: It has 4 independent buffer channels.
- Q: What is the output type?
- A: The outputs are 3-State, allowing for high-impedance states when disabled.
- Q: What is the operating voltage range?
- A: It operates from 1.65V to 3.6V, supporting low-voltage logic.
- Q: What package is available?
- A: It is offered in a 14-pin SOIC package (5.30mm width).