Texas Instruments SN74AHC126NSR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.49 | $0.49 |
| 15+ | $0.48 | $7.20 |
| 25+ | $0.47 | $11.75 |
| 50+ | $0.44 | $22.00 |
| 100+ | $0.39 | $39.00 |
| N+ | $0.08 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | 74AHC |
| Packaging | Marketplace | Cut Tape (CT) |
| 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 | 8mA, 8mA |
| Voltage - Supply | 2V ~ 5.5V |
| 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 |
| ROHS |  |
The SN74AHC126NSR from Texas Instruments is a quad non-inverting buffer featuring 3-State outputs. It operates from 2V to 5.5V, delivering 8mA output current per channel. This device is ideal for bus-oriented systems, signal buffering, and level translation. Its 74AHC family ensures high-speed performance with low power consumption, making it suitable for a wide range of digital applications.
- Wide Supply Voltage (2V to 5.5V): Ensures compatibility with 3.3V and 5V logic families, reducing design complexity.
- 3-State Outputs: Facilitates bus sharing and prevents data corruption in multi-device systems.
- High-Speed 74AHC Technology: Offers fast propagation delays for high-frequency operation.
- 8mA Output Drive: Capable of driving moderate loads and long traces without signal degradation.
Bus Interfacing in Microcontroller Systems
The 3-State outputs of the SN74AHC126NSR allow multiple peripherals to share a data bus without conflict. This is essential in microcontroller-based designs where memory and I/O devices communicate over a common bus.
Signal Buffering for Long PCB Traces
Long traces on a PCB can degrade signal integrity. This buffer regenerates the signal, providing 8mA drive strength to overcome trace capacitance and maintain clean logic levels.
Level Shifting Between 3.3V and 5V Domains
With a supply range of 2V to 5.5V, this device can be powered at 3.3V to interface with 5V logic, or at 5V to drive 3.3V inputs, enabling seamless mixed-voltage communication.
Driving Multiple Loads (Fan-Out)
When a single logic output must drive several inputs, the SN74AHC126NSR provides the necessary current amplification, ensuring all downstream devices receive valid logic levels.
Clock Buffering and Distribution
In digital systems, clock signals require precise timing. This buffer can distribute clock signals to multiple destinations while preserving edge rates and minimizing skew.
Industrial Sensor Interfacing
In industrial control systems, this buffer can interface sensors and actuators with a PLC or microcontroller, providing robust signal conditioning and isolation.
- Q: What is the logic family of the SN74AHC126NSR?
- A: It belongs to the 74AHC (Advanced High-Speed 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, enabling high-impedance states for bus applications.
- Q: What is the operating voltage range?
- A: It operates from 2V to 5.5V, supporting both 3.3V and 5V systems.
- Q: What package is available?
- A: It is available in a 14-SOIC package (5.30mm width).
SN74AHC126NSR.pdf
- Q: What is the logic family of the SN74AHC126NSR?
- A: It belongs to the 74AHC (Advanced High-Speed 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, enabling high-impedance states for bus applications.
- Q: What is the operating voltage range?
- A: It operates from 2V to 5.5V, supporting both 3.3V and 5V systems.
- Q: What package is available?
- A: It is available in a 14-SOIC package (5.30mm width).
