Texas Instruments

CD40102BE

CD40102BE Description

The CD40102BE from Texas Instruments is a dual 4-bit BCD counter belonging to the 4000B series, designed for high-reliability digital counting applications. This synchronous counter operates within a wide voltage range (3V to 18V), making it versatile for both low-power and industrial systems. It features positive-edge triggering, asynchronous reset, and a count rate of 2.4 MHz, ensuring precise timing control. Packaged in a 16-pin DIP (Through Hole), the CD40102BE is RoHS3 compliant and REACH unaffected, meeting modern environmental standards. Its dual-element design allows for compact integration in circuits requiring multiple counting stages.

CD40102BE Features

• Dual 4-bit BCD counters in a single package, reducing board space.
• Wide supply voltage range (3V–18V), compatible with TTL and CMOS logic levels.
• Synchronous operation ensures accurate counting with minimal skew.
• Asynchronous reset for immediate counter initialization.
• High-speed performance (2.4 MHz count rate) suitable for timing-critical applications.
• Positive-edge triggering for reliable clock synchronization.
• Robust 4000B series construction, offering high noise immunity and low power consumption.
• Through-hole mounting (16DIP) for easy prototyping and repair.

CD40102BE Applications

The CD40102BE excels in systems requiring precise digital counting and timing, such as:

• Industrial automation: Production line counters, process control timers.
• Consumer electronics: Digital clocks, frequency dividers, event counters.
• Instrumentation: Frequency meters, pulse generators, data acquisition systems.
• Automotive: Odometer circuits, RPM counters.
• Retro computing: Legacy system designs leveraging 4000-series logic.

Conclusion of CD40102BE

The CD40102BE stands out for its dual-counter integration, wide voltage tolerance, and synchronous operation, making it ideal for space-constrained or noise-prone environments. Its asynchronous reset and high count rate provide flexibility in real-time applications, while the 4000B series reliability ensures long-term performance. Whether for industrial, automotive, or consumer electronics, this IC offers a cost-effective, high-performance solution for digital counting needs. Engineers will appreciate its ease of use, durability, and compliance with modern environmental standards.