SN74HC4020PWR

Counter Dividers Overview

The SN74HC4020PWR is a 14-stage asynchronous binary ripple counter manufactured by Texas Instruments in a 16-pin TSSOP package. It operates on the negative-going edge of the clock pulse and features an overriding asynchronous master reset input that clears all stages to zero independently of the clock signal. The device supports a wide operating voltage range from 2 V to 6 V, with recommended operating conditions specifying a supply voltage between 2 V and 6 V and an operating temperature range of -40°C to +85°C.

Counter Dividers Feature Summary

• 14-stage binary ripple-carry counter architecture
• Negative-going edge triggered clock advancement
• Asynchronous master reset function independent of clock state

Counter Dividers Applications

• Digital frequency division circuits
• Binary sequence generation systems
• Time-base counters in digital instrumentation

Counter Dividers Procurement Notes

Verify the specific ordering suffix 'PWR' corresponds to the TSSOP-16 package variant. Confirm RoHS compliance status and lead finish details via the manufacturer's current orderable addendum. Ensure the procurement channel provides valid traceability documentation for production-grade components.

Counter Dividers Selection Notes

Select this component when a 14-bit asynchronous counting capability is required within standard CMOS logic families. Verify that the application environment remains within the specified -40°C to +85°C temperature range. Ensure power supply decoupling is implemented close to the VCC pin to maintain signal integrity during high-speed transitions.

Counter Dividers Part Context

This part belongs to the SNx4HC4020 family of 14-bit asynchronous binary counters. It is designed for general-purpose digital logic applications requiring high noise immunity and low power consumption. The HC series utilizes standard CMOS technology compatible with various logic families.

Counter Dividers Replacement Considerations

SN74HC4020DR (SOIC-16 package)

Counter Dividers FAQ

How does the reset function operate relative to the clock?

The master reset input is asynchronous and overrides the clock input. When the clear input goes high, all counter stages are forced to zero regardless of the clock state.

What triggers the counter to advance to the next stage?

The counter advances on the negative-going edge (HIGH-to-LOW transition) of the clock pulse input.