HCF4022BEY

Counter Dividers Overview

The HCF4022BEY is a monolithic integrated circuit fabricated in Metal Oxide Semiconductor technology, functioning as a 4-stage Johnson counter with 8 decoded outputs. It operates within a supply voltage range of 3 V to 20 V and supports an operating temperature from -55 °C to +125 °C. The device features Schmitt trigger action at the clock input for pulse shaping and includes anti-lock gating to ensure proper counting sequences. It provides a carry-out signal that completes one cycle every 8 clock input cycles.

Counter Dividers Feature Summary

• Features Schmitt trigger action at the clock input to allow unlimited rise and fall times.
• Provides 8 decoded outputs that remain high for one full clock cycle.
• Includes anti-lock gating to assure proper counting sequence.
• Offers a carry-out signal for ripple-clocking subsequent devices.

Counter Dividers Applications

• Divide by N counters (N < 10) with decoded outputs
• Multi-device counting chains using ripple-clocking
• Johnson decade-counter configurations

Counter Dividers Procurement Notes

Verify component status carefully as this part number is marked obsolete. Confirm availability through authorized distributors or alternative sources. Ensure compatibility with existing DIP-16 footprints if replacing active inventory. Review current datasheet revisions for any updated handling or testing requirements before finalizing procurement plans.

Counter Dividers Selection Notes

Select this component for applications requiring a 4-stage Johnson counter with direct decoded outputs. It is suitable for designs needing Schmitt trigger inputs to handle slow clock transitions. Consider the wide operating voltage range and temperature specifications when designing for harsh environments. Verify package availability as the specific BEY suffix indicates a DIP-16 tube configuration.

Counter Dividers Part Context

This component belongs to the HCF4022B series, which are octal counters with 8 decoded outputs. The series is designed for medium-speed operation and meets JEDEC JESD13B standard specifications for B Series CMOS devices. It is part of STMicroelectronics' legacy high-voltage CMOS logic gate and function portfolio.

Counter Dividers Replacement Considerations

Direct substitute part numbers are not explicitly listed in the provided documentation. Evaluate other octal Johnson counters from the same manufacturer or compatible families for functional equivalence.

Counter Dividers FAQ

How does the clock inhibit signal affect the counting sequence?

When the CLOCK INHIBIT signal is high, advancing the counter via the clock line is inhibited. When low, the counter advances one count at the positive clock signal transition.

What is the function of the anti-lock gating?

Anti-lock gating is provided to assure a proper counting sequence within the Johnson decade-counter configuration.