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Product attributes Property Value
Manufacturer Texas Instruments
Product Series 74AC
Packaging Marketplace | Tube
Part Status Active
Logic Type Buffer, Non-Inverting
Number of Elements 1
Number of Bits per Element 8
Input Type -
Output Type 3-State
Current - Output High, Low 24mA, 24mA
Voltage - Supply 1.5V ~ 5.5V
Operating Temperature -55°C ~ 125°C (TA)
Grade -
Qualification -
Mounting Type Through Hole
Package / Case 20-DIP (0.300", 7.62mm)
Supplier Device Package 20-PDIP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The CD74AC541E from Texas Instruments is an octal buffer designed for high-speed, low-power applications. Operating from 1.5V to 5.5V, it provides non-inverting buffering with 3-State outputs. With 24mA output drive, it can drive capacitive loads and long traces effectively. Its wide temperature range (-55°C to 125°C) makes it suitable for industrial and military applications. The 20-DIP package is ideal for through-hole assembly and prototyping.

  • Ultra-Wide 1.5V to 5.5V Supply: Supports everything from low-voltage portable devices to legacy 5V systems.
  • High 24mA Output Drive: Drives heavy loads and long PCB traces with ease.
  • 3-State Outputs: Enables bus sharing and isolation in complex systems.
  • Through-Hole DIP Package: Easy to solder and breadboard for prototyping.

Legacy 5V System Buffering

With a 1.5V to 5.5V range, the CD74AC541E can buffer signals in traditional 5V TTL systems while also supporting lower-voltage logic.

Memory Address Buffering

Its high drive current (24mA) and 3-State outputs make it ideal for buffering address lines in microprocessor and memory systems.

Level Shifting for Sensors

It can shift signals from 1.8V or 2.5V sensors to 3.3V or 5V logic, enabling communication between low-voltage sensors and legacy controllers.

Through-Hole Prototyping

The 20-DIP package is breadboard-friendly, making it perfect for prototyping and educational projects.

Industrial Control Inputs

Its wide temperature range (-55°C to 125°C) and robust CMOS design make it suitable for industrial control panels and PLC input modules.

Bus Isolation in Multi-Board Systems

The 3-State outputs allow multiple boards to share a common data bus without interference, controlled by the output enable pin.

Q: What logic family is the CD74AC541E?
A: It belongs to the 74AC (Advanced CMOS) logic family.
Q: What is the function of this IC?
A: It is an octal buffer with non-inverting outputs.
Q: How many channels does it have?
A: It has 8 channels (1 bus width of 8 bits).
Q: What is the output type?
A: It features 3-State outputs for bus isolation.
Q: What is the voltage range?
A: It operates from 1.5V to 5.5V, supporting low-voltage to standard logic.
Q: What package is it available in?
A: It comes in a 20-DIP (0.300", 7.62mm) through-hole package.
Base Product Number : CD74AC541
1.5V-5.5V 20-DIP 3-State 74AC Buffer Industrial Level Shifting Logic IC Through-Hole
Q: What logic family is the CD74AC541E?
A: It belongs to the 74AC (Advanced CMOS) logic family.
Q: What is the function of this IC?
A: It is an octal buffer with non-inverting outputs.
Q: How many channels does it have?
A: It has 8 channels (1 bus width of 8 bits).
Q: What is the output type?
A: It features 3-State outputs for bus isolation.
Q: What is the voltage range?
A: It operates from 1.5V to 5.5V, supporting low-voltage to standard logic.
Q: What package is it available in?
A: It comes in a 20-DIP (0.300", 7.62mm) through-hole package.