74AC541TTR

Buffers, Drivers, Receivers, Transceivers Overview

The STMicroelectronics 74AC541TTR is an octal bus buffer with 3-state outputs in a TSSOP-20 package. It operates within a supply voltage range of 2V to 6V. At VCC = 5V, the typical propagation delay is 4ns. The device features symmetrical output impedance with minimum source/sink currents of 24mA. Quiescent supply current is maximized at 8μA across the -55°C to 125°C temperature range.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Advanced high-speed CMOS technology utilizing sub-micron silicon gate and double-layer metal wiring for enhanced performance.
• Inputs and outputs are positioned on opposite sides of the package to facilitate printed circuit board layout and microprocessor interfacing.
• All inputs and outputs include protection circuits providing immunity against static discharge up to 2KV ESD.
• Capable of driving 50Ω transmission lines with balanced propagation delays.

Buffers, Drivers, Receivers, Transceivers Applications

• Memory and address drivers
• Clock drivers
• Bus-oriented transmitter/receivers

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific ordering code suffix 'TTR' corresponds to the Tape and Reel packaging format as listed in the official datasheet order codes. Confirm that the component meets the required operating temperature range of -55°C to 125°C for your application environment. Ensure compatibility with the 2V to 6V supply voltage specifications before finalizing procurement.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when an octal non-inverting buffer with 3-state control is required for high-speed data transfer. The flow-through architecture allows for easier interface to microprocessors compared to devices with inputs and outputs on the same side. Consider the 24mA drive capability and low power dissipation characteristics suitable for dense PCB layouts.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the 74AC series of advanced high-speed CMOS logic functions. It is functionally compatible with the standard 74LS541 pinout but offers significantly faster switching speeds and lower power consumption due to its C2MOS fabrication technology. It serves as an octal bus driver designed for demanding digital applications.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Direct substitutes include other manufacturers' 74AC541 variants in TSSOP-20 packages. Verify pinout compatibility and electrical parameters such as propagation delay and output drive strength when cross-referencing with equivalent parts from different vendors.