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Product attributes Property Value
Manufacturer Toshiba Semiconductor and Storage
Product Series 74HC
Packaging 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 7.8mA, 7.8mA
Voltage - Supply 2V ~ 6V
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification -
Mounting Type Through Hole
Package / Case 14-DIP (0.300", 7.62mm)
Supplier Device Package 14-DIP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The TC74HC126AP(F) from Toshiba is a quad non-inverting buffer featuring 3-State outputs. Operating from 2V to 6V, it provides 7.8mA of drive current per channel. This 74HC family device is ideal for bus-oriented systems, signal buffering, and level shifting applications. Its 14-pin DIP package makes it suitable for through-hole PCB designs.

  • Wide 2V to 6V Supply Range: Compatible with both 3.3V and 5V systems, simplifying mixed-voltage design.
  • 3-State Outputs: Enables bus multiplexing and reduces power consumption when outputs are disabled.
  • Quad Channel Configuration: Four buffers in one package save board space and cost.
  • High-Speed CMOS Technology: Provides low power consumption while maintaining high-speed operation.

Bus Line Driving

The 3-State outputs allow multiple devices to share a common bus. The TC74HC126AP(F) can drive bus lines with its 7.8mA sink/source capability, ensuring signal integrity.

Signal Buffering

It provides high input impedance and low output impedance, making it ideal for buffering weak signals from sensors or oscillators before they are sent to other logic stages.

Level Shifting

With a wide 2V to 6V supply range, it can be used to shift signals between 3.3V and 5V logic domains, ensuring proper logic levels in mixed-voltage systems.

Memory Address Buffering

In microprocessor systems, it can buffer address and control lines, reducing the load on the CPU and improving system stability.

Peripheral Interface

It can drive multiple inputs of peripheral devices, such as LCD displays or external memory, providing the necessary fan-out.

Clock Distribution

It can be used to distribute clock signals to multiple destinations, ensuring clean and synchronized timing across the board.

Q: What is the logic family of the TC74HC126AP(F)?
A: It belongs to the 74HC (High-speed CMOS) logic family from Toshiba.
Q: What is the function of this device?
A: It is a quad buffer with non-inverting outputs, used for signal buffering and line driving.
Q: How many channels does it have?
A: It contains 4 independent buffer channels.
Q: What is the output type?
A: The outputs are 3-State, allowing them to be disabled (high-impedance) for bus applications.
Q: What is the operating voltage range?
A: It operates from 2V to 6V, making it compatible with both 3.3V and 5V systems.
Q: What package is available?
A: It is available in a 14-pin DIP (0.300", 7.62mm) package.
Base Product Number : TC74HC126AP
2V-6V 3-State 74HC Buffer Bus Driver DIP-14 Level Shifter Logic IC TC74HC126AP Toshiba
Q: What is the logic family of the TC74HC126AP(F)?
A: It belongs to the 74HC (High-speed CMOS) logic family from Toshiba.
Q: What is the function of this device?
A: It is a quad buffer with non-inverting outputs, used for signal buffering and line driving.
Q: How many channels does it have?
A: It contains 4 independent buffer channels.
Q: What is the output type?
A: The outputs are 3-State, allowing them to be disabled (high-impedance) for bus applications.
Q: What is the operating voltage range?
A: It operates from 2V to 6V, making it compatible with both 3.3V and 5V systems.
Q: What package is available?
A: It is available in a 14-pin DIP (0.300", 7.62mm) package.