ON Semiconductor MC74HC390ADTR2G Dual Decade Ripple Counter

The ON Semiconductor MC74HC390ADTR2G is a high-performance, dual-decade ripple counter fabricated with silicon gate CMOS technology. It possesses the low power consumption characteristic of CMOS circuitry, yet has speeds comparable to low power Schottky TTL circuits. This device is designed to interface with standard logic families and is ideal for a wide range of counting and timing applications in various electronic devices.

Key Features

• Dual Counters: The device contains two independent decade counters that can be configured either separately or in series to provide a divide-by-100 counter with a single output.
• High-Speed Operation: The MC74HC390ADTR2G operates at high speeds, with a typical clock frequency of 32 MHz at 5V, making it suitable for high-speed systems.
• Low Power Consumption: It features low power consumption, with a typical quiescent current of 2 µA, which is ideal for battery-operated and power-sensitive applications.
• Wide Operating Voltage Range: The counter can operate over a wide voltage range from 2V to 6V, providing design flexibility for various applications.
• Output Drive Capability: The outputs can drive up to 10 LSTTL loads, ensuring compatibility with other logic families.
• Standard Pinout: The device is offered in a TSSOP-16 package, which is a standard pinout that makes it easy to integrate into various circuit designs.

Applications

The MC74HC390ADTR2G is suitable for a variety of applications, including:

• Frequency division
• Time delay generation
• Counter design
• Sequential timing

Its robustness and reliability, combined with ON Semiconductor's commitment to quality, make the MC74HC390ADTR2G a preferred choice for designers looking to implement efficient counting solutions in their electronic projects. With its versatile features and high performance, this dual decade ripple counter is an essential component for timing and counting applications across various industries.