The TC74HC540AF is a high-speed CMOS octal buffer/line driver with inverted outputs manufactured by Toshiba Semiconductor and Storage. This integrated circuit features eight independent buffers/line drivers, each with an inverted output. It's designed for applications requiring high-speed data transmission and signal buffering, while maintaining low power consumption.

Applications

• Memory address drivers
• Clock drivers
• Data bus buffers
• Line drivers for data transmission
• Logic level conversion

Features

• High-speed operation: tpd = 7 ns (typ.) at VCC = 5V
• Low power consumption: ICC = 4 μA (max.) at Ta = 25°C
• Wide operating voltage range: VCC = 2V to 6V
• Octal buffer/line driver configuration
• Inverted outputs
• 3-state outputs for bus-oriented applications
• JEDEC standard outputs
• Operating temperature range: -40°C to +85°C

Benefits

• High-speed data transmission with low propagation delay.
• Low power consumption extends battery life in portable devices.
• Wide operating voltage range provides flexibility in system design.
• 3-state outputs allow for easy integration into bus-oriented systems.
• Easy integration with other digital logic components due to JEDEC standard outputs.
• Reliable performance over a wide temperature range.

Additional Details

The TC74HC540AF comes in a SOP-20 (Small Outline Package) which allows for space-saving on printed circuit boards. The device has an output enable (OE) input, which, when LOW, enables the outputs and allows data to be transmitted. When OE is HIGH, the outputs are placed in a high-impedance state, effectively disconnecting them from the bus. The device utilizes CMOS technology, ensuring high noise immunity and stable operation.

The supply voltage range is typically between 2V and 6V, with recommended operating conditions specified in the datasheet. The maximum operating frequency can vary depending on the supply voltage and operating temperature. The device is designed to be compatible with other HC series logic devices.