HLF 74HC540 Octal Buffer/Line Driver; 3-State; Inverting – SOP20 | High-Speed CMOS Logic | 2V–6V, –40°C to +85°C | Surface-Mount Package

The HLF 74HC540 (SOP20) is the surface-mount version of the octal inverting buffer/line driver with 3-state outputs, designed for compact and high-density PCB layouts. Featuring two active-low output enables (OE1, OE2), the device provides independent control of all outputs, ensuring seamless integration in modern digital systems requiring bidirectional bus management.

With low power consumption, high-speed CMOS performance, and excellent noise immunity, it is widely used in microcontroller-based systems, communication circuits, and signal routing applications.

Key Features:

• Function: Octal Buffer/Line Driver; Inverting; 3-State Outputs

• Technology: High-Speed CMOS (HC Series)

• Operating Voltage: 2V – 6V

• Operating Temperature: –40°C to +85°C

• Package Type: SOP20 (Small Outline Package)

• Mounting Type: Surface-Mount

• Active-Low Output Enables (OE1, OE2)

• High-Speed, Low-Power CMOS Logic

• TTL-Compatible Inputs

• Compact Design for Space-Saving PCB Integration

• Reliable and Efficient Bus Signal Control

Applications:

• High-Speed Data Bus Drivers

• Memory and Processor Interface Circuits

• Buffering and Level-Shifting in Logic Systems

• Compact Digital Electronics and Consumer Devices

• Signal Routing and Multiplexing Systems