STMicroelectronics

HCF4040M013TR

HCF4040M013TR Description

The HCF4040M013TR from STMicroelectronics is a 12-bit binary counter belonging to the 4000 series of CMOS logic ICs. Designed for surface-mount applications, it operates across a wide voltage range of 3V to 20V, making it versatile for various digital systems. This asynchronous reset counter features a negative-edge trigger mechanism and supports a high count rate of 24 MHz, ensuring reliable performance in timing and frequency division applications. Packaged in a 16-pin SOIC (Tape & Reel), it is RoHS3 compliant and REACH unaffected, meeting modern environmental standards.

HCF4040M013TR Features

• 12-bit binary counter with up-counting direction, ideal for precise digital counting.
• High-speed operation (24 MHz) enables efficient use in fast clocking systems.
• Wide supply voltage range (3V–20V) ensures compatibility with TTL and CMOS logic levels.
• Asynchronous reset allows immediate counter clearing without clock synchronization.
• Negative-edge triggering enhances noise immunity and timing accuracy.
• Surface-mount (SOIC-16) packaging optimizes board space in compact designs.
• Obsolete status may require alternative sourcing but remains reliable for legacy systems.

HCF4040M013TR Applications

This counter excels in:

• Frequency dividers for clock generation in microcontrollers and DSPs.
• Digital timers and event counters in industrial automation.
• Sequential logic circuits requiring precise bit-length counting.
• Legacy system maintenance where 4000-series compatibility is critical.
• Low-power embedded systems due to its CMOS efficiency and wide voltage range.

Conclusion of HCF4040M013TR

The HCF4040M013TR offers a robust 12-bit counting solution with high-speed performance and broad voltage tolerance, suited for both modern and legacy digital designs. While marked as obsolete, its asynchronous reset, edge-triggered operation, and compact packaging make it a viable choice for frequency division, timing, and control applications. Engineers should evaluate alternative sourcing or equivalents for long-term projects but can rely on its proven reliability in existing systems.