STMicroelectronics M74HC4024RM13TR

Product Summary STMicroelectronics M74HC4024RM13TR 7-Bit Digital Counter

The STMicroelectronics M74HC4024RM13TR is a high-speed CMOS 7-bit binary counter designed for a variety of digital counting applications. Fabricated using silicon-gate C²MOS technology, the device features robust performance for system designers seeking reliable and efficient digital counting functions. The M74HC4024RM13TR provides a single-element, 7-stage binary count, optimized for use in clock division, event counting, and frequency monitoring tasks in electronic circuits. Its compatibility with the industry-standard 74 series 4024 pinout ensures straightforward integration into existing designs and enables easy replacement for legacy systems.

Highlights and Main Features of the M74HC4024RM13TR

Engineers evaluating the M74HC4024RM13TR will find an impressive set of features tailored for practical digital system requirements:

High Maximum Clock Frequency: Typical maximum operating frequency is 79 MHz at V_CC = 6 V, supporting high-speed counting in demanding applications.

Low Power Dissipation: Maximum supply current of only 4 μA at T_A = 25°C minimizes power consumption for battery-sensitive designs.

High Noise Immunity: Minimum HIGH and LOW noise immunity levels are 28% of V_CC, supporting robustness against electrical disturbances.

Balanced Performance: The device offers symmetrical output impedance of ≥4 mA for both source and sink capabilities, and nearly matched propagation delays (t_PLH ≈ t_PHL), resulting in consistent output timing.

Wide Supply Voltage Range: Operates reliably within a 2 V – 6 V supply voltage, accommodating a broad range of system voltages.

Integrated Protection: Inputs are equipped with protection circuits to guard against static discharge and transient overvoltage events.

Functional Overview and Working Principles of the M74HC4024RM13TR

The M74HC4024RM13TR implements an asynchronous 7-stage binary counter incremented by the negative edge of the input clock signal. All outputs can be reset to a LOW state by driving the CLEAR input HIGH, which is essential for controlled initialization and recovery in system designs.

Key functional points:

Negative-edge triggered counter advances output state on the falling edge of the clock input.

7 output stages provide count representations from Q0 to Q6.

Single active-high CLEAR input enables synchronous reset of all outputs, simplifying system initialization and error recovery.

Internal logic and protection features ensure stable operation even in electrically noisy industrial environments.

Electrical Specifications and Timing Performance of the M74HC4024RM13TR

The M74HC4024RM13TR delivers reliable electrical characteristics suited to precise counting applications:

Input and output voltage levels conform to standard CMOS logic thresholds, supporting easy interfacing with typical digital circuitry.

Output drive supports 4 mA minimum for both HIGH and LOW states, allowing the counter outputs to directly connect to moderate loads.

Balanced propagation delays assure minimal skew between state transitions, and the counter’s capacitive load handling (tested at C_L = 50 pF) confirms stability in real-world signal scenarios.

For power estimation under different conditions, the average operating current can be determined as I_CC(opr) = C_PD × V_CC × f_IN + I_CC, where C_PD reflects the internal equivalent capacitance.

Details such as minimum pulse widths for stable CLEAR and CLOCK operations, and propagation delay times, are thoroughly specified to support engineers conducting comprehensive timing analysis.

Packaging Variants and Physical Specifications for the M74HC4024RM13TR

Mechanical compatibility is crucial in hardware design, and the M74HC4024RM13TR addresses this with multiple industry-standard package options:

SO-14 (Small Outline, 14 pins): Ideal for compact PCB layouts in automated assembly environments.

DIP-14 (Dual In-line Package, 14 pins): Suitable for prototyping, breadboarding, and legacy product support.

TSSOP-14 (Thin Shrink Small Outline Package, 14 pins): Provides further space savings for dense circuit designs.

Dimensions, pinouts, and package outlines are fully compatible with the standard 74 series 4024, ensuring straightforward drop-in replacement and minimizing redesign effort for existing boards.

Suggested Uses and Applications for the M74HC4024RM13TR

The versatility and reliability of the M74HC4024RM13TR make it suitable for a range of applications, including:

Digital frequency dividers in clock generation circuitry,

Event counting in industrial control panels,

Timer circuits where precise interval measurement is required,

Sequencers and code generators for test equipment or digital control systems.

Additionally, the device’s high-speed and low-power characteristics are valuable in battery-powered data loggers and portable instrumentation where efficiency and reliability are paramount.

Alternative or Substitute Models Comparable to the M74HC4024RM13TR

Selection, upgrade and replacement often require consideration of compatible devices. The M74HC4024RM13TR is pin- and function-compatible with the standard 74 series 4024 family, and can commonly substitute other manufacturer variants that conform to the same electrical and package specifications. When evaluating potential replacements, engineers should ensure the candidate device meets or exceeds the M74HC4024RM13TR’s performance criteria for maximum operating frequency, voltage range, and I/O drive strength, as well as mechanical footprint.

Conclusion

: Evaluating the M74HC4024RM13TR in Your Design

The STMicroelectronics M74HC4024RM13TR presents an excellent choice for engineers and procurement professionals seeking a robust, high-speed 7-bit binary counter for modern digital systems. With its high noise immunity, low power profile, broad voltage compatibility, and flexible packaging, the M74HC4024RM13TR supports efficient and reliable design in diverse applications—from industrial automation to consumer electronics. By addressing key performance and integration needs, the M74HC4024RM13TR secures its place as a mainstream solution in any engineer’s component selection toolkit.