74HC7541DB,112

Overview

The Nexperia 74HC7541DB,112 is an octal Schmitt trigger buffer and line driver featuring three-state outputs. It operates within a supply voltage range of 2.0 V to 6.0 V and supports ambient temperatures from -40 °C to +125 °C. The device utilizes Schmitt-trigger inputs to convert slowly changing signals into sharply defined output waveforms. It includes two active-low output enable inputs (OE1 and OE2) that force the outputs into a high-impedance state when asserted. The component is housed in a 20-lead SO plastic small outline package (SOT163-1).

Feature Summary

• Schmitt-trigger inputs provide noise immunity and transform slowly changing input signals into sharply defined jitter-free output signals.
• Dual active-low output enables allow independent control of the three-state outputs for bus-oriented applications.
• CMOS construction ensures low power dissipation while maintaining high noise immunity and latch-up performance exceeding 100 mA.

Applications

• Bus-oriented systems requiring signal buffering and line driving capabilities.
• Clock distribution circuits utilizing Schmitt-trigger inputs for signal conditioning.
• Memory and storage applications involving data acquisition and transmission.

Procurement Notes

Verify the specific ordering suffix '112' against the manufacturer's current documentation to confirm the exact tape-and-reel quantity and packaging configuration. Ensure the design accommodates the specified SO20 package dimensions and thermal derating characteristics for reliable operation at elevated temperatures.

Selection Notes

Select this component for designs requiring eight buffered channels with Schmitt-trigger input hysteresis. The wide supply voltage range allows compatibility with various logic families. Verify that the required operating temperature range aligns with the specified -40 °C to +125 °C limits and that the package footprint matches the available PCB layout constraints.

Part Context

This part belongs to the 74HC series of high-speed CMOS logic devices manufactured by Nexperia. The 74HC7541 variant specifically provides octal buffering with three-state outputs. It is distinct from the 74HCT7541, which features TTL-compatible input levels instead of CMOS levels, though both share similar functional descriptions and pinouts.

Replacement Considerations

Direct substitutes include the 74HCT7541 variants for TTL-level input requirements or other manufacturers' octal buffers with identical pinouts and electrical specifications. Verify package compatibility and ensure equivalent propagation delay and drive current characteristics before substitution.