74FCT540ATQG

Buffers, Drivers, Receivers, Transceivers Overview

The 74FCT540ATQG is an octal buffer and line driver manufactured by Renesas Electronics Corporation. It belongs to the FCT logic series and utilizes CMOS technology. The device features a single circuit configuration with eight bits per element. It is housed in a QSOP-20 package. The component operates within a supply voltage range of 4.75 V to 5.25 V. It supports a maximum clock frequency of 10 MHz and exhibits a propagation delay of 7.2 ns. The low-level output current is rated at 64 mA, while the high-level output current is -15 mA. The operating temperature range spans from -40 °C to +85 °C.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Provides non-inverting buffering for digital signals
• Features three-state outputs for bus isolation
• Supports asynchronous data transmission

Buffers, Drivers, Receivers, Transceivers Applications

• Asynchronous two-way communication between data buses
• Bus transceiver applications requiring direction control
• Data processing systems

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific suffix 'Q' against official documentation to confirm package type and temperature grade. Confirm RoHS compliance status through the manufacturer's datasheet. Check for product discontinuance notifications as this component family may have end-of-life status. Ensure the ordering part number matches the exact pinout and electrical specifications required for the design.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component for designs requiring octal buffering with three-state capability. Verify that the 5V supply voltage aligns with system requirements. Ensure the QSOP-20 package fits the PCB layout constraints. Compare performance metrics such as propagation delay and drive strength against alternative FCT series devices if lower power or different speeds are needed.

Buffers, Drivers, Receivers, Transceivers Part Context

This component is part of the 74FCT series of high-speed CMOS logic devices. It serves as an octal buffer/driver similar to other variants like the 74FCT244 or 74FCT245, but specifically configured for unidirectional buffering with three-state outputs. The FCT series is designed for compatibility with TTL inputs while offering CMOS performance levels.