SN74HCS125PWR

Buffers, Drivers, Receivers, Transceivers Overview

The SN74HCS125PWR is a quadruple buffer with 3-state outputs and Schmitt-trigger inputs manufactured by Texas Instruments. It operates within a supply voltage range of 2V to 6V, supporting an extended ambient temperature range from -40°C to +125°C. The device features balanced CMOS push-pull outputs capable of ±7.8mA drive current at 6V. Typical supply current is 2µA, while typical input leakage is ±100nA. Propagation delay ranges from 5ns to 39ns depending on voltage.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Schmitt-trigger inputs provide high noise rejection and tolerance for slow or noisy signals
• Balanced CMOS push-pull outputs deliver similar sourcing and sinking currents
• Low power consumption with minimal static supply current
• Extended operating temperature range suitable for demanding environments

Buffers, Drivers, Receivers, Transceivers Applications

• Enable or disable digital signals via the output enable pin
• Controlling indicator LEDs
• Debouncing mechanical switches
• Eliminating slow or noisy input signals

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific package type matches the design requirements, as the SN74HCS125 family includes TSSOP, SOIC, WQFN, and SOT-23-THIN variants. Confirm that the ordering suffix corresponds to the desired reel quantity and lead finish. Ensure the component meets RoHS compliance standards if required by the manufacturing process. Cross-reference the datasheet revision history for any updates to electrical characteristics or switching parameters before finalizing procurement.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when signal integrity is critical due to noisy environments or slow transition times, as the Schmitt-trigger architecture mitigates false triggering. The wide voltage range allows compatibility with various logic families. Consider the thermal resistance metrics if the device will operate near the upper temperature limits. Ensure unused inputs are properly terminated to prevent undefined states and excessive power consumption.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the SN74HCS125 series of quadruple bus buffers. It is distinct from standard CMOS buffers like the SN74HC125 due to its integrated Schmitt-trigger inputs. The 'PWR' suffix indicates a Tape and Reel packaging format in the TSSOP-14 package. It serves as a robust interface solution for systems requiring signal conditioning and isolation.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

SN74HCS125PW (Tape & Box)

Buffers, Drivers, Receivers, Transceivers FAQ

How does the Schmitt-trigger input benefit signal processing?

The Schmitt-trigger architecture provides hysteresis, making the device extremely tolerant to slow or noisy input signals compared to standard CMOS inputs.

What happens to unused inputs on this device?

Unused inputs must be tied to either VCC or ground to prevent undefined operational states and potential increases in power consumption.