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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 Surface Mount
Package / Case 20-SOIC (0.295", 7.50mm Width)
Supplier Device Package 20-SOIC
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The CD74AC623M is a high-speed CMOS non-inverting transceiver from Texas Instruments, part of the 74AC logic family. It operates across a wide voltage range of 1.5V to 5.5V, making it highly versatile for mixed-voltage designs. Featuring 3-state outputs and 24mA drive capability, it is ideal for bidirectional bus communication in automotive, industrial, and portable applications. The 20-SOIC package is compact and industry-standard.

  • Wide 1.5V to 5.5V Supply Range: Compatible with both 3.3V and 5V systems, simplifying design.
  • Extended Temperature Range (-55°C to 125°C): Suitable for automotive and military-grade applications.
  • High-Speed CMOS Technology: Provides fast propagation delays, ideal for high-frequency buses.
  • 3-State Outputs: Prevents bus contention in multi-master systems.
  • Balanced 24mA Drive: Ensures reliable signal transmission over moderate trace lengths.

Mixed-Voltage System Interfacing

With a wide 1.5V to 5.5V supply range, the CD74AC623M bridges 3.3V and 5V logic domains, making it perfect for multi-voltage boards.

Bidirectional Bus Drivers

In microprocessor systems, this transceiver manages data flow between CPU and peripherals, with 3-state outputs preventing bus conflicts.

Battery-Powered Portable Devices

Its low-voltage operation (down to 1.5V) extends battery life in handheld instruments and IoT sensors.

Automotive Electronics

The extended temperature range (-55°C to 125°C) makes it suitable for under-hood ECUs and engine control modules.

Industrial Process Control

In factory automation, it buffers signals between PLCs and sensors, ensuring reliable data transfer over long cables.

FPGA/CPLD Interface

Use it to connect FPGAs operating at 1.8V/2.5V to 5V legacy peripherals, simplifying system integration.

Q: What logic family is the CD74AC623M?
A: It belongs to the 74AC family, known for high-speed CMOS operation.
Q: What is the function of this device?
A: It is a non-inverting transceiver with 3-state outputs for bidirectional data flow.
Q: How many channels does it have?
A: It has 1 channel (8-bit) for data transmission.
Q: What is the output type?
A: The outputs are 3-State, enabling bus sharing.
Q: What is the voltage range?
A: It operates from 1.5V to 5.5V, supporting both 3.3V and 5V systems.
Q: What package is it available in?
A: It comes in a 20-SOIC package (0.295", 7.50mm Width).
Base Product Number : CD74AC623
1.5V-5.5V 20-SOIC 3-State 74AC Automotive Bidirectional CMOS Industrial Logic IC Transceiver
Q: What logic family is the CD74AC623M?
A: It belongs to the 74AC family, known for high-speed CMOS operation.
Q: What is the function of this device?
A: It is a non-inverting transceiver with 3-state outputs for bidirectional data flow.
Q: How many channels does it have?
A: It has 1 channel (8-bit) for data transmission.
Q: What is the output type?
A: The outputs are 3-State, enabling bus sharing.
Q: What is the voltage range?
A: It operates from 1.5V to 5.5V, supporting both 3.3V and 5V systems.
Q: What package is it available in?
A: It comes in a 20-SOIC package (0.295", 7.50mm Width).