M74HC42RM13TR

Overview

The M74HC42RM13TR is a high-speed CMOS BCD to decimal decoder manufactured by STMicroelectronics. It features silicon gate C2MOS technology and provides ten active-low outputs (Y0-Y9) selected by four data inputs (A-D). The device operates within a supply voltage range of 2V to 6V, with a typical propagation delay of 14ns at 6V. It includes input protection against static discharge and transient excess voltage.

Feature Summary

• BCD to decimal decoding functionality with ten active-low outputs
• High noise immunity with symmetrical output impedance
• Wide operating voltage range from 2V to 6V
• Input protection circuits for static discharge and transient excess voltage

Applications

• Code conversion
• Address decoding
• Memory selection
• Demultiplexing
• Readout decoding

Procurement Notes

Verify component authenticity through authorized channels. Confirm RoHS compliance status as specified in the datasheet. Check for obsolete product status and availability of replacement alternatives. Ensure proper handling procedures are followed due to ESD sensitivity.

Selection Notes

Consider the 16-pin SOIC package dimensions when designing PCB layouts. Evaluate power dissipation requirements under maximum operating conditions. Verify compatibility with existing logic families if interfacing with other components. Assess temperature range requirements for specific applications.

Part Context

This component belongs to the M74HC42 series of BCD to decimal decoders. It is part of STMicroelectronics' HC logic family, designed for general-purpose digital applications requiring reliable code conversion and address decoding capabilities.

Replacement Considerations

Check for direct pin-compatible alternatives from other manufacturers. Verify functional equivalence regarding propagation delays and output characteristics. Consider package compatibility and thermal performance differences.