STMicroelectronics M74HC73B1R Dual JK Flip-Flop with Reset

The M74HC73B1R is a high-speed CMOS dual JK flip-flop integrated circuit, designed and manufactured by the renowned STMicroelectronics. This IC is tailored for use in a wide range of applications including counters, registers, and control circuits, offering a perfect blend of power efficiency and performance.

Key Features

• High-Speed Performance: The device operates at a high speed, with a typical clock frequency of up to 109 MHz at 5V, ensuring swift response in critical applications.
• Low Power Consumption: It is designed to have a low power consumption, featuring a typical quiescent current specification of 2µA, making it suitable for battery-operated devices.
• Dual JK Flip-Flop: Each flip-flop has provisions for individual J, K, clock (CP), and reset (R) inputs, and Q and Q’ outputs, providing flexibility in implementation.
• Asynchronous Reset: The asynchronous reset input ensures that the flip-flop can be reset at any time, independent of the clock signal, for immediate initialization or safety purposes.
• Wide Operating Voltage Range: The device has an extensive operating voltage range from 2V to 6V, accommodating various logic level requirements and ensuring compatibility with TTL levels.
• Output Drive Capability: Capable of driving up to 10 LSTTL loads, the M74HC73B1R offers robust output drive capability, which is essential for driving heavier loads.
• Pin and Function Compatibility: This IC is pin-to-pin compatible with low power Schottky TTL (LSTTL), allowing for easy integration or replacement in existing designs.

Applications

The versatility of the M74HC73B1R makes it ideal for a variety of applications, including:

• Control systems
• Timing circuits
• Sequential logic circuits
• Counters and registers

Package and Quality

The device is offered in a DIP-14 (Dual In-line Package) and SO-14 (Small Outline Package), providing options for through-hole and surface-mount technology (SMT) assembly processes. STMicroelectronics ensures that the M74HC73B1R meets rigorous quality standards, providing reliability and performance for professional electronic designs.