Overview of the 74HC4520D,112 Dual Binary Counter

The 74HC4520D,112 is a high-speed Si-gate CMOS device designed and manufactured by NXP Semiconductors. It is part of the 74HC family, which is well-known for its robustness and compatibility with TTL (Transistor-Transistor Logic). This integrated circuit is specifically a dual 4-bit binary ripple counter, which consists of two identical, independent counters that can be used in a variety of counting and timing applications.

Key Features

• Counting Configuration: Each counter of the 74HC4520D,112 has a divide-by-256 configuration, with the first stage designed as a toggle flip-flop. It can be used in either a divide-by-two mode or in a binary counting mode, offering flexibility in application use.
• High-Speed Operation: This device is capable of high-speed operation, making it suitable for quick-response systems and high-frequency counting applications.
• Wide Operating Voltage: It operates across a wide voltage range from 2.0V to 6.0V, accommodating various power supply levels and ensuring compatibility with other logic families.
• Low Power Consumption: The 74HC4520D,112 is designed for low power consumption, which is a critical feature for battery-operated and power-sensitive devices.
• Output Capability: The counters offer standard output capability, making it easy to interface with other logic components within a system.
• Latch-up Performance: It exceeds 100mA per JESD 78, Class II, ensuring stable performance even under stress conditions.

Applications

The 74HC4520D,112 is versatile and can be used in a broad range of applications. These include:

• Frequency division
• Time delay generation
• Event counting
• Alarm systems
• Process control systems
• Digital watches and timers

Packaging and Quality

The device comes in a small-outline package (SO16), which is suitable for surface-mounted technology (SMT). The package is designed for optimized PCB space usage, making it an excellent choice for compact electronic assemblies. NXP's commitment to quality ensures that each 74HC4520D,112 meets stringent industry standards for performance and reliability.

Whether you're designing consumer electronics, industrial timers, or sophisticated control systems, the 74HC4520D,112 from NXP offers a reliable and efficient solution for your binary counting needs.