CD4541BNSR

Overview

The CD4541BNSR is a CMOS programmable timer manufactured by Texas Instruments, belonging to the CD4500B logic series. It features a single circuit configuration housed in a 16-SOIC surface-mount package. The device operates within a supply voltage range of 3 V to 18 V and supports an extended industrial temperature range from -55 °C to +125 °C. Key electrical parameters include a propagation delay of 400 ns. The component integrates internal clock generation capabilities controlled by external resistors and capacitors, suitable for timing applications requiring high-voltage tolerance.

Feature Summary

• CMOS technology with 3 V to 18 V operating voltage range
• Programmable timer functionality with external RC timing control
• 16-pin SOIC (0.209 inch width) surface-mount packaging
• Extended temperature operation from -55 °C to +125 °C

Applications

• Timing circuits requiring programmable intervals
• Pulse generation systems
• Delay line implementations
• Clock signal generation for digital systems

Procurement Notes

Verify the specific suffix 'NSR' corresponds to the tape-and-reel packaging format containing 2000 units per reel. Confirm RoHS compliance status through the manufacturer's official documentation, as environmental declarations may vary by production batch. Ensure the ordering quantity aligns with the standard factory pack size to avoid partial reel handling issues during assembly.

Selection Notes

Select this component when a single-channel programmable timer with wide voltage tolerance is required. Compare propagation delay specifications against system timing requirements, noting the 400 ns typical delay. Verify that the 16-SOIC footprint matches the PCB layout constraints. Consider thermal management needs given the -55 °C to +125 °C operational range if ambient temperatures approach extremes.

Part Context

This part belongs to the CD4541B family of CMOS programmable timers. It shares functional similarities with other devices in the CD4500B series but offers specific timing control features. The 'NSR' designation indicates the surface-mount variant with reel packaging, distinguishing it from through-hole or tube-packaged equivalents like the CD4541BE.

Replacement Considerations

Cross-reference with CD4541BM for pin-compatible alternatives. Verify electrical parameter equivalence, particularly supply voltage limits and propagation delays, before substituting. Check for any differences in packaging dimensions or moisture sensitivity levels between original and replacement parts.