Product Overview: NXP HEF4518BP Dual BCD Up-counter

The NXP HEF4518BP is a high-performance, dual BCD up-counter integrated circuit designed for various counting applications in electronics. This versatile component is part of the HEF4000 family, which is renowned for its robustness and compatibility with a wide range of digital systems.

Key Features

• Dual BCD Counter: The device contains two independent BCD counters that can be cascaded to create an extended counting range.
• Wide Voltage Range: It operates over a recommended voltage range of 3V to 15V, making it suitable for both low and high-voltage applications.
• Medium-Speed Operation: The counters perform at a medium-speed operation, with typical clock frequencies up to 6MHz at a 10V supply.
• Synchronous Reset: For immediate resetting of the counter's content, a synchronous reset input is provided.
• Static Operation: The HEF4518BP ensures static operation, eliminating the need for external clock signals when the counter is not in use.
• Standardized Symmetrical Output Characteristics: The outputs are balanced and standardized, which simplifies the design of interfacing circuits.
• 5 Stage Johnson Counter: Each counter has a 5 stage Johnson counter with 10 decoded outputs and a carry out bit.

Applications

The HEF4518BP is ideal for use in a variety of applications including:

• Industrial control systems
• Instrumentation
• Frequency dividers
• Timers
• Automotive electronics
• Consumer electronics

Product Specifications

The NXP HEF4518BP comes in a 16-pin DIP (Dual In-line Package), making it easy to integrate into both prototyping and production environments. The device's temperature range supports industrial-grade applications, ensuring reliable operation under varying environmental conditions.

In summary, the NXP HEF4518BP is a reliable and versatile choice for designers who require a dependable dual BCD up-counter. Its compatibility with a broad range of voltages and its standardized output characteristics make it a valuable component in a wide array of electronic counting solutions.