The NXP 74HC393 is a high-speed Si-gate CMOS device that provides a dual 4-bit binary ripple counter. This integrated circuit (IC) is part of the 74HC/HCT family, known for their compatibility with TTL (Transistor-Transistor Logic) while offering the low power consumption and high noise immunity typical of CMOS circuits.

Key Features

• High-Speed Performance: The 74HC393 operates at a high speed, which makes it suitable for quick counting applications and high-frequency digital systems.
• Low Power Consumption: As a CMOS device, it has a significantly lower power consumption compared to its TTL counterparts, making it ideal for battery-operated devices.
• Wide Operating Voltage Range: It can function over a wide voltage range from 2V to 6V, providing versatility in different circuit environments.
• Dual Counters: The IC contains two independent 4-bit binary counters, each having a clock and reset input.
• Asynchronous Reset: The counters can be reset to zero asynchronously by a high level on the reset input, which simplifies the design of timing applications.
• Output Capability: Standard outputs are capable of driving 10 LSTTL loads, which is typical for this family of devices.
• ESD Protection: It includes protection against excessive input static voltage, ensuring the reliability of the component in sensitive applications.

Applications

The versatility of the NXP 74HC393 makes it suitable for a wide range of applications. These include:

• Timing circuits
• Frequency dividers
• Counters and registers
• Sequence generators
• Digital clocks

Package and Quality

The 74HC393 is available in multiple package options, including the standard DIP (Dual In-line Package) and SO (Small Outline) packages, which are suitable for both through-hole and surface-mount technology (SMT) board designs. NXP also ensures that the product meets stringent quality standards for industrial and commercial applications, providing reliable performance in a variety of settings.