2026/4/10
The SN74HCS541QPWRQ1 is an octal non-inverting buffer and line driver produced by Texas Instruments, featuring Schmitt trigger input, 3-state output and wide voltage supply, suitable for various digital signal buffering, driving and conditioning scenarios.
Category:Integrated Circuits (ICs),Logic,Buffers, Drivers, Receivers, Transceivers
Manufacturer:Texas Instruments
Packaging:Tape & Reel (TR)
Part Status:Active
Logic Type:Buffer, Non-Inverting
Input Type:Schmitt Trigger
Output Type:3-State
Current - Output High, Low:7.8mA, 7.8mA
Voltage - Supply:2V ~ 6V
Operating Temperature:-40°C ~ 125°C (TA)
Mounting Type:Surface Mount
Package / Case:20-TSSOP (0.173", 4.40mm Width)
Octal Channels:Equipped with 8 independent non-inverting buffer channels, which can process 8 groups of digital signals simultaneously, improving circuit integration and meeting the needs of multi-signal transmission scenarios.
Schmitt Trigger Input:Adopts Schmitt trigger input design, which can effectively suppress noise interference and stably receive slow or noisy input signals, ensuring accurate signal transmission without distortion.
3-State Output:Features 3-state output function, which can be controlled by the output enable pins (OE1, OE2) to set the output to high-impedance state, facilitating bus isolation and multi-device bus sharing.
Wide Voltage Supply:The operating voltage range is 2V ~ 6V, compatible with various low-voltage digital systems, supporting both single-power supply scenarios and voltage level conversion between different domains.
Low Power Consumption:It has ultra-low power consumption, with a typical supply current of only 100nA and a typical input leakage current of ±100nA, suitable for low-power electronic system designs.
Stable Output Drive:The output high and low current both reach 7.8mA, providing stable driving capability, which can effectively drive long transmission lines and multiple load devices without signal attenuation.
Automotive Electronics:Applied in automotive dashboard circuits to buffer and drive the digital signals of speedometers and fuel gauges, ensuring stable signal transmission under high-temperature and high-noise automotive environments.
Switch Debouncing:Used in the key detection circuit of household appliances (such as microwave ovens and air conditioners), utilizing Schmitt trigger input to eliminate switch contact bounce and ensure accurate key signal recognition.
Bus Isolation:Integrated into industrial control PLC systems to isolate the digital signal bus between the main controller and peripheral modules, preventing signal interference and protecting the main controller from damage.
Signal Conditioning:Used in portable data loggers to condition the slow or noisy digital signals collected by sensors, ensuring that the signals meet the input requirements of the microcontroller.
Long-Line Transmission:Applied in office equipment (such as printers and scanners) to drive the digital signals transmitted through long cables, compensating for signal attenuation and ensuring clear and stable signal transmission.
The SN74HCS541QPWRQ1 is a high-performance octal non-inverting buffer and line driver with excellent noise suppression, stable driving capability and low power consumption. It is widely used in automotive, industrial, consumer electronics and other fields, providing a reliable solution for digital signal buffering, driving and conditioning.