74LCX27M

Inverter Gates Overview

The Fairchild Semiconductor 74LCX27M is a low-voltage triple 3-input NOR gate belonging to the 74LCX logic family. It operates within a supply voltage range of 2V to 5.5V and features 5V tolerant inputs, allowing compatibility with various logic levels. The device is housed in a 14-pin SOIC surface-mount package. Key electrical characteristics include a maximum propagation delay of 10ns at 3.3V and output drive capabilities of ±24mA. It supports an operating temperature range from -40°C to +85°C.

Inverter Gates Feature Summary

• Triple 3-input NOR logic function
• 5V tolerant input structure for mixed-voltage systems
• Low voltage operation compatible with 2V to 5.5V supplies

Inverter Gates Applications

• Digital signal processing interfaces requiring level shifting
• Memory address decoding circuits
• Control logic in embedded systems

Inverter Gates Procurement Notes

Verify the specific suffix 'M' indicates the SOIC-14 package variant. Confirm current production status as datasheets may indicate obsolescence. Ensure the supplier provides original manufacturer documentation to validate authenticity and lot traceability before procurement.

Inverter Gates Selection Notes

Select this component when a triple 3-input NOR function is required in low-voltage designs. The 5V tolerance feature makes it suitable for interfacing between 3.3V and 5V domains. Consider the SOIC-14 package constraints for PCB layout and thermal management requirements.

Inverter Gates Part Context

This part belongs to the 74LCX series, designed for high-speed, low-power applications. It replaces older 74HC or 74HCT equivalents in modern low-voltage systems. The 74LCX27M specifically provides three independent NOR gates, offering a compact solution for complex logic operations in space-constrained designs.

Inverter Gates Replacement Considerations

Check for direct pin-compatible alternatives such as the 74LVC27 or 74AC27 if voltage levels differ. Verify logical equivalence and timing parameters against the new candidate. Ensure the replacement maintains the same package type and thermal characteristics.