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| Product attributes | Property Value |
| Manufacturer | onsemi |
| 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 | -55°C ~ 125°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 14-SOIC (0.209", 5.30mm Width) |
| Supplier Device Package | 14-SOIC |
| ROHS |  |
The MC74HC126AFL2 from onsemi is a quad non-inverting buffer with 3-state outputs, part of the 74HC logic family. It operates over a wide voltage range of 2V to 6V, making it suitable for a variety of applications from 3.3V to 5V systems. Each output can source or sink 7.8mA, providing robust drive capability. Housed in a 14-pin SOIC package, this buffer operates over an extended temperature range of -55°C to 125°C, making it ideal for industrial and automotive applications where reliability is paramount.
- Wide 2V to 6V Supply Range: Provides design flexibility for both 3.3V and 5V systems, reducing inventory complexity.
- High Output Drive (7.8mA): Can directly drive LEDs and other loads, eliminating the need for external drivers.
- Extended Temperature Range (-55°C to 125°C): Suitable for harsh industrial and automotive environments.
- Low Power Consumption: CMOS technology ensures minimal power draw, extending battery life in portable devices.
Wide Voltage Range Buffering
Operating from 2V to 6V, the MC74HC126AFL2 can be used in both 3.3V and 5V systems, providing a flexible buffering solution for mixed-voltage designs.
Battery-Powered Portable Devices
Its low power consumption and wide voltage range make it ideal for battery-powered devices, where power efficiency is critical.
Bus Isolation in Multi-Board Systems
The 3-state outputs allow for safe isolation of boards in a multi-board system, preventing bus contention during hot-swap or power-up sequences.
Driving Peripheral Interfaces
With 7.8mA output drive, it can directly drive LEDs, relays, or other peripheral devices, reducing the need for additional driver ICs.
Industrial Sensor Signal Buffering
The extended temperature range (-55°C to 125°C) makes it suitable for industrial sensors and actuators that operate in extreme conditions.
Logic Level Translation
By powering the IC from the target logic voltage, it can be used to translate signals between different logic levels, such as 3.3V to 5V.
- Q: What is the logic family of the MC74HC126AFL2?
- A: It belongs to the 74HC (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, allowing for bus sharing.
- Q: What is the operating voltage range?
- A: It operates from 2V to 6V, making it versatile for various supply levels.
- Q: What is the package and temperature rating?
- A: It comes in a 14-pin SOIC package (5.30mm width) and operates from -55°C to 125°C.
MC74HC126AFL2.pdf
- Q: What is the logic family of the MC74HC126AFL2?
- A: It belongs to the 74HC (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, allowing for bus sharing.
- Q: What is the operating voltage range?
- A: It operates from 2V to 6V, making it versatile for various supply levels.
- Q: What is the package and temperature rating?
- A: It comes in a 14-pin SOIC package (5.30mm width) and operates from -55°C to 125°C.