TC74LCX541FK(EL,K)

Overview

The TC74LCX541FK(EL,K) is a low-voltage octal bus buffer manufactured by Toshiba Semiconductor and Storage. It operates within a power supply voltage range of 1.65 V to 3.6 V, featuring 5-V tolerant inputs and outputs. The device provides high-speed performance with a maximum propagation delay of 6.5 ns at 3.0 V to 3.6 V. It delivers a minimum output current of 24 mA at 3.0 V. The component includes power-down protection on all inputs and outputs and is available in SOP and VSSOP packages.

Feature Summary

• Non-inverting 3-state buffer design with two active-low output enables for high-impedance control
• Compatible with 5-V supply environments for both input and output interfacing
• Integrated protection circuits against static discharge on all inputs

Applications

• Low-voltage (3.3 V) system applications requiring high-speed operation
• Interfacing between 3.3-V systems and 5-V supply environments
• Use as a 3-state memory address driver

Procurement Notes

Verify the specific ordering suffix to confirm the package type, as the part number encompasses multiple physical configurations. Ensure that the selected variant matches the required lead time and manufacturing date codes, particularly regarding the electrical characteristics applicable to products manufactured from January 2009 onward. Confirm RoHS compliance status through official distributor channels before finalizing procurement orders.

Selection Notes

Select this component when designing for 3.3-V systems that require interface compatibility with 5-V logic levels. The device is suitable for applications demanding low quiescent current and high-speed data transmission. Consider the pin and function compatibility with standard 74 series types if migrating from legacy designs. Evaluate the specific package dimensions and weight requirements based on the chosen SOP or VSSOP configuration.

Part Context

This component belongs to the TC74LCX series of CMOS digital integrated circuits. It functions as an octal bus buffer designed for low-voltage operation while maintaining high-speed performance. The device is engineered to provide low power dissipation typical of CMOS technology. It serves as a bridge for data transfer between different voltage domains in electronic systems.

Replacement Considerations

The datasheet notes pin and function compatibility with the 74 series 541 type, including variants such as 74AC, 74VHC, 74HC, 74F, 74ALS, and 74LS. Verify voltage level tolerances and drive currents when substituting these alternatives.