Product Overview: MC74HC393ADR2 from ON Semiconductor

The MC74HC393ADR2 is a high-speed integrated circuit from ON Semiconductor, renowned for its reliability and performance in digital applications. This particular product is a dual 4-bit binary ripple counter, fabricated with silicon gate CMOS technology to achieve operating speeds similar to LSTTL counters, while maintaining the CMOS low power dissipation.

The device consists of two independent 4-bit counters, each composed of a master-slave flip-flop with a clock input (CP) and a reset input (MR). The reset inputs are connected in parallel, allowing for synchronous reset of both counters. The counters advance on the negative-going transition of the clock pulse, providing a predictable and stable counting sequence. The MC74HC393ADR2's design ensures that the ripple delays encountered in conventional ripple clocking are negligible, allowing for high-speed operation in a wide range of applications.

ON Semiconductor's MC74HC393ADR2 is designed to operate from a power supply range of 2V to 6V, making it compatible with a variety of logic families. It also possesses the ability to drive 10 LSTTL loads, which is a testament to its robust output drive capability. The high noise immunity characteristic of CMOS technology is inherent in this device, ensuring stable performance in noisy environments.

The MC74HC393ADR2 comes in a small outline integrated circuit (SOIC) package, which is ideal for space-constrained applications. Its surface-mount form factor allows for efficient PCB design and compact hardware layouts. The device is also fully compliant with the stringent requirements of the RoHS directive, making it an environmentally friendly choice for electronic designs.

This counter is suitable for a variety of applications, including time-delay circuits, counter controls, and frequency dividers. Its precision and reliability make it a go-to component for designers looking to implement timing and counting functions in their digital systems. Overall, the MC74HC393ADR2 from ON Semiconductor is a versatile and dependable choice for any project requiring a high-performance binary ripple counter.