HCF4063BEY

Comparators Overview

The HCF4063BEY is a 4-bit magnitude comparator manufactured by STMicroelectronics, belonging to the HCF4000B series. It operates within a supply voltage range of 3V to 18V and features an input bias current of 100 uA with a high-level output current of 2.4 mA. The device supports an input voltage range of -500 mV to 500 mV and functions reliably across an operating temperature range of -55°C to 125°C. It is housed in a 16-DIP package with a width of 7.62 mm.

Comparators Feature Summary

• Performs 4-bit magnitude comparison between two binary inputs
• Operates over a wide supply voltage range from 3V to 18V
• Provides high noise immunity for digital applications

Comparators Applications

• Digital data processing systems requiring magnitude evaluation
• Industrial control logic circuits
• Consumer electronics using CMOS logic families

Comparators Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm the specific suffix 'EY' corresponds to the required 16-DIP packaging and lead-free compliance standards. Check lifecycle status as some sources indicate obsolete status; ensure availability matches project requirements before finalizing procurement plans.

Comparators Selection Notes

Select this component when a 4-bit magnitude comparison function is required within standard CMOS logic constraints. Ensure the design accommodates the specified 3V to 18V supply range and -55°C to 125°C temperature limits. Verify that the 16-DIP through-hole package fits the PCB layout and assembly capabilities available.

Comparators Part Context

This part belongs to the HCF4000B series of high-speed CMOS logic devices. It serves as a fundamental building block for arithmetic logic units and decision-making circuits in digital systems. The HCF series is designed for compatibility with standard TTL logic levels while offering lower power consumption typical of CMOS technology.

Comparators Replacement Considerations

Check for equivalent parts from other manufacturers such as SN74HC4063 or CD4063 variants. Ensure pinout compatibility and electrical specifications match exactly. Verify if the original part's obsolete status necessitates a redesign or alternative sourcing strategy.