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Product attributes Property Value
Manufacturer Texas Instruments
Product Series 74AC
Packaging Marketplace | Tube
Part Status Active
Logic Type Transceiver, 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 CD74AC623E is a non-inverting transceiver from Texas Instruments, part of the 74AC high-speed CMOS family. It provides 8 channels with 3-State outputs, operating from 1.5V to 5.5V. The device delivers 24mA source and sink current, suitable for moderate drive applications. Housed in a 20-DIP package, it is ideal for through-hole PCB designs. Its wide temperature range (-55°C to 125°C) makes it suitable for harsh environments. Typical uses include bidirectional bus interfacing, level shifting, and industrial control systems.

  • Ultra-Wide Voltage Range (1.5V-5.5V): Compatible with multiple logic levels, reducing the need for level shifters.
  • Extended Temperature Range (-55°C to 125°C): Reliable in aerospace and industrial extreme conditions.
  • Through-Hole DIP Package: Easy to prototype and repair in legacy systems.
  • 3-State Outputs: Enables safe bidirectional data flow on shared buses.

Wide Voltage Level Shifting

The CD74AC623E can interface between 1.5V and 5.5V logic domains. Use it to buffer signals between low-voltage microcontrollers and legacy 5V peripherals, thanks to its wide supply range and non-inverting transceiver function.

Military and Aerospace Electronics

With a -55°C to 125°C temperature range, this IC is ideal for avionics and satellite systems. The DIP package is easy to solder in ruggedized boards, and the 74AC family offers high noise immunity.

Bidirectional Data Buses

In computer systems, use it for bidirectional data transfer between CPU and memory. The 3-State outputs prevent bus conflicts, and the 24mA drive current ensures reliable communication over short distances.

Industrial Process Controllers

For factory automation, this transceiver buffers sensor signals and control lines. The wide voltage range allows operation from 3.3V or 5V supplies, simplifying power design in mixed-voltage cabinets.

Battery-Powered Instruments

In portable devices, the low-voltage operation (down to 1.5V) extends battery life. Use it to buffer signals in handheld meters or data loggers where power efficiency is critical.

Prototyping and Education

The DIP package is breadboard-friendly, making it perfect for university labs and prototyping. Students can explore bus transceiver concepts with a robust, widely available component.

Q: What is the logic family of the CD74AC623E?
A: It belongs to the 74AC family, known for high-speed CMOS operation.
Q: What is the function of this IC?
A: It is a non-inverting transceiver with 8 channels, featuring 3-State outputs.
Q: What is the operating voltage range?
A: It operates from 1.5V to 5.5V, offering flexibility for mixed-voltage systems.
Q: What is the output type?
A: The outputs are 3-State, allowing bidirectional bus communication.
Q: What is the package type?
A: It comes in a 20-DIP (0.300", 7.62mm) through-hole package.
Q: What is the temperature range?
A: It operates from -55°C to 125°C, suitable for extreme environments.
Base Product Number : CD74AC623
1.5V-5.5V 20-DIP 3-State 74AC Industrial Level Shifting Logic IC Non-Inverting Transceiver
Q: What is the logic family of the CD74AC623E?
A: It belongs to the 74AC family, known for high-speed CMOS operation.
Q: What is the function of this IC?
A: It is a non-inverting transceiver with 8 channels, featuring 3-State outputs.
Q: What is the operating voltage range?
A: It operates from 1.5V to 5.5V, offering flexibility for mixed-voltage systems.
Q: What is the output type?
A: The outputs are 3-State, allowing bidirectional bus communication.
Q: What is the package type?
A: It comes in a 20-DIP (0.300", 7.62mm) through-hole package.
Q: What is the temperature range?
A: It operates from -55°C to 125°C, suitable for extreme environments.