M74HC390RM13TR

Counter Dividers Overview

The M74HC390RM13TR is a dual four-bit decade counter manufactured by STMicroelectronics. It utilizes high-speed CMOS technology and operates within a supply voltage range of 2 V to 6 V. The device features two independent counters, each with asynchronous reset functionality and negative-edge triggering. It is housed in a 16-SOIC surface-mount package and supports an operating temperature range from -55°C to +125°C.

Counter Dividers Feature Summary

• Dual independent four-bit decade counting architecture
• Asynchronous reset capability for immediate state clearing
• Negative-edge triggered clock input synchronization
• Wide operational voltage tolerance for diverse logic environments

Counter Dividers Applications

• Digital frequency division circuits
• Sequential event counting systems
• Time-base generation modules
• Decimal digit display drivers

Counter Dividers Procurement Notes

Verify component authenticity through authorized distribution channels due to discontinued status. Confirm RoHS compliance and specific packaging variants against original datasheets. Validate pinout compatibility during integration planning. Ensure storage conditions meet moisture sensitivity level requirements prior to assembly.

Counter Dividers Selection Notes

Evaluate the necessity for dual decade counters versus single binary counters. Consider the asynchronous reset requirement against synchronous alternatives. Assess the 16-pin SOIC footprint constraints against available board space. Verify that the negative-edge trigger aligns with the system clock polarity.

Counter Dividers Part Context

This component belongs to the STMicroelectronics 74HC series of high-speed CMOS logic devices. It serves as a digital counting element within standard logic families. The part represents a specialized implementation of decade counting functions using silicon gate CMOS technology for low power consumption.

Counter Dividers Replacement Considerations

CD74HC390M96 (Texas Instruments) is listed as a direct substitute.