Texas Instruments

CD40102BPWR

CD40102BPWR Description

The CD40102BPWR from Texas Instruments is a 4-bit BCD counter belonging to the 4000B series, designed for high-reliability digital counting applications. This synchronous, positive-edge-triggered IC integrates two independent 4-bit counters in a compact 16-pin TSSOP package, making it ideal for space-constrained designs. Operating over a wide voltage range (3V to 18V), it supports flexible power supply configurations while maintaining low power consumption. Its asynchronous reset feature allows immediate counter clearing, enhancing control in timing-critical systems.

CD40102BPWR Features

• Logic Type: BCD Counter with 2.4 MHz count rate, ensuring high-speed operation.
• Synchronous Timing: Ensures precise counting without skew between stages.
• Wide Voltage Range (3V–18V): Compatible with TTL and CMOS logic levels.
• Asynchronous Reset: Immediate counter initialization for dynamic control.
• Surface-Mount (TSSOP) Package: Optimized for automated PCB assembly.
• RoHS3 Compliant & REACH Unaffected: Meets environmental and safety standards.
• Moisture Sensitivity Level (MSL) 1: Suitable for extended storage and handling.

CD40102BPWR Applications

The CD40102BPWR excels in applications requiring accurate frequency division, event counting, or time-delay generation, such as:

• Industrial Automation: Production line counters, timer circuits.
• Consumer Electronics: Digital clocks, appliance control panels.
• Instrumentation: Frequency meters, pulse sequencers.
• Automotive Systems: Odometer circuits, dashboard displays.
  Its synchronous operation and BCD output simplify interfacing with displays or microcontrollers, while the wide voltage range ensures compatibility with mixed-voltage systems.

Conclusion of CD40102BPWR

The CD40102BPWR combines high performance, versatility, and reliability, making it a preferred choice for BCD counting applications. Its synchronous design, robust voltage tolerance, and compact form factor offer significant advantages over older asynchronous counters. Whether used in industrial, automotive, or consumer electronics, this IC delivers precision and efficiency, backed by Texas Instruments' quality assurance.