The HD74LVC540ATELL is an Octal Buffer/Line Driver with 3-State Outputs, manufactured by Renesas Electronics America. It belongs to the 74LVC family of CMOS logic devices, known for their low voltage operation and high-speed performance. This device features eight independent buffers/line drivers, each capable of driving relatively high capacitive loads. The outputs can be placed in a high-impedance state, allowing multiple devices to share a common bus.

Applications

• Memory Interfacing: Used for buffering address and data lines in memory systems.
• Bus Driving: Drives heavily loaded bus lines in digital systems.
• Data Buffering: Provides temporary buffering of data in digital circuits.
• Line Driving: Extends signal transmission distances by compensating for signal degradation.
• Isolation: Used to isolate sections of a circuit, preventing loading effects.

Features

• Octal Buffer/Line Driver: Contains eight independent buffers/line drivers in a single package.
• 3-State Outputs: Outputs can be placed in a high-impedance state.
• Low Voltage Operation: Operates at a low voltage range (typically 1.65V to 3.6V).
• High Speed: Offers fast switching speeds for various applications.
• Low Power Consumption: Operates with low power consumption due to CMOS technology.

Benefits

• Efficient Bus Driving: Provides a robust solution for driving heavily loaded buses.
• Reduced Loading Effects: 3-state outputs minimize loading on the bus when the device is disabled.
• High-Speed Performance: Suitable for high-speed digital systems.
• Low Power Consumption: Conserves power in battery-operated devices.
• Easy Integration: Compatible with other CMOS logic devices.

Additional Details

The HD74LVC540ATELL operates from a supply voltage of 1.65V to 3.6V. The typical propagation delay is around 5ns. The operating temperature range is typically -40°C to +85°C. The ATELL suffix likely indicates a specific surface-mount package type and tape-and-reel packaging for automated assembly.