onsemi MC74VHC540DWR2G

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Product attributes Property Value
Manufacturer onsemi
Product Series 74VHC
Packaging Factory |
Part Status Active
Logic Type Buffer, Inverting
Number of Elements 1
Number of Bits per Element 8
Input Type -
Output Type 3-State
Current - Output High, Low 8mA, 8mA
Voltage - Supply 2V ~ 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 MC74VHC540DWR2G from onsemi is a single-channel inverting buffer from the 74VHC family. It operates over a wide voltage range of 2V to 5.5V and provides 8mA output drive. The 3-State output allows for bus isolation and multiplexing. With an extended temperature range of -55°C to 125°C, it is designed for demanding industrial and automotive applications. The 20-SOIC package is widely used and easy to assemble.

  • Extended Temperature Range (-55°C to 125°C): Reliable operation in extreme environments where standard ICs fail.
  • Wide 2V to 5.5V Supply Range: Flexible for both 3.3V and 5V systems, reducing inventory complexity.
  • Inverting Function: Combines buffering and inversion in one package, saving board space.
  • 3-State Output: Enables bus sharing and isolation, critical for multi-device systems.

Wide-Temperature Industrial Controls

With an extended temperature range of -55°C to 125°C, this buffer is suitable for extreme industrial environments like oil & gas, aerospace, and heavy machinery.

Signal Inversion in Logic Systems

Use this inverting buffer to complement logic signals where active-low conventions are required, simplifying PCB layout by eliminating separate inverter ICs.

Bus Isolation in Mixed-Voltage Systems

The 3-State output allows this buffer to isolate sections of a bus, enabling safe power sequencing and preventing backfeed in multi-voltage designs.

High-Drive LED and Relay Drivers

The 8mA output drive can directly control LEDs or small relays, reducing the need for external driver transistors in low-power applications.

Clock Signal Buffering and Inversion

This buffer can invert and strengthen clock signals, ensuring clean edges and proper logic levels for synchronous circuits.

Q: What is the logic family of the MC74VHC540DWR2G?
A: It belongs to the 74VHC (Very High-Speed CMOS) logic family.
Q: What is the function of this IC?
A: It is an inverting buffer with 3-State output.
Q: How many channels does it have?
A: It has 1 channel.
Q: What is the output type?
A: The output is 3-State, allowing for high-impedance output.
Q: What is the operating voltage range?
A: It operates from 2V to 5.5V.
Q: What package is available?
A: It comes in a 20-SOIC package.
Base Product Number : MC74VHC540
20-SOIC 2V-5.5V 3-State 74VHC Buffer Industrial Inverting Logic IC onsemi Wide Temperature
Q: What is the logic family of the MC74VHC540DWR2G?
A: It belongs to the 74VHC (Very High-Speed CMOS) logic family.
Q: What is the function of this IC?
A: It is an inverting buffer with 3-State output.
Q: How many channels does it have?
A: It has 1 channel.
Q: What is the output type?
A: The output is 3-State, allowing for high-impedance output.
Q: What is the operating voltage range?
A: It operates from 2V to 5.5V.
Q: What package is available?
A: It comes in a 20-SOIC package.