CD74HCT390MT

Counter Dividers Overview

The CD74HCT390MT is a high-speed CMOS logic dual decade ripple counter manufactured by Texas Instruments. It operates within a supply voltage range of 2V to 6V and supports clock frequencies up to 35 MHz. The device features two independent four-bit decade counters with asynchronous reset capabilities. Designed for surface-mount applications, it utilizes a 16-pin SOIC package. The component functions in an asynchronous mode with upward counting direction and negative edge triggering.

Counter Dividers Feature Summary

• Dual independent four-bit decade counter architecture
• Asynchronous reset functionality for immediate state clearing
• High-speed operation compatible with standard CMOS logic levels
• Negative edge-triggered clock input mechanism

Counter Dividers Applications

• Digital frequency division circuits
• Time-base generation systems
• Event counting modules
• Sequential logic control units

Counter Dividers Procurement Notes

Verify the specific suffix designation against official manufacturer documentation to confirm pinout compatibility and electrical characteristics. Ensure that any ordering suffixes do not alter the functional behavior or package dimensions. Cross-reference the part number with current datasheets to validate active status and environmental compliance requirements before finalizing procurement specifications.

Counter Dividers Selection Notes

Select this component when designing systems requiring dual decade counting capabilities within a compact surface-mount footprint. Consider the HCT logic series compatibility for interfacing with TTL-level inputs while maintaining low power consumption typical of CMOS technology. Evaluate the operating temperature range and supply voltage constraints to ensure alignment with the target application environment and system power budget.

Counter Dividers Part Context

This component belongs to the Texas Instruments 74HC(H)T390 family of high-speed CMOS logic devices. The family provides dual decade counters designed for general-purpose digital applications. These integrated circuits are engineered to offer performance comparable to LSTTL series devices but with significantly reduced power dissipation, making them suitable for battery-operated and high-density digital designs.

Counter Dividers Replacement Considerations

Public confirmed substitute part numbers include CD74HC390M, CD74HC390E, CD74HCT390M, and CD74HCT390E.