ON Semiconductor MC74ACT109DR2 Dual JK Flip-Flop with Set and Reset

The MC74ACT109DR2 is a high-performance integrated circuit designed by ON Semiconductor, a leading provider of semiconductor-based solutions. This device is part of the AC/ACT series, which is renowned for its high-speed operation and compatibility with TTL (Transistor-Transistor Logic) levels. The MC74ACT109DR2 is a dual JK flip-flop with set and reset capabilities, making it a versatile component for a wide range of digital applications.

The flip-flop is a fundamental building block in digital electronics, used for storage and manipulation of binary data. The JK flip-flop is a universal type that can be configured to perform all the functions of SR, D, and T flip-flops. Each flip-flop has independent J, K, Set, Reset, and Clock inputs with two outputs (Q and Q̅).

This particular model, the MC74ACT109DR2, is packaged in an SOIC-16 package, which is a small-outline integrated circuit with 16 pins. It operates over a wide voltage range from 4.5V to 5.5V and features a high degree of noise immunity and low power consumption, typical of CMOS devices. The propagation delay time is minimized, ensuring fast switching for high-speed applications.

Key features of the MC74ACT109DR2 include:

• Compatible with TTL inputs
• Outputs can drive up to 24mA
• Functionally identical to the standard MC74AC109
• Output drive capability: 15 LSTTL loads
• Standardized, symmetrical output characteristics
• ICC reduced by 50% on this device

The MC74ACT109DR2 is commonly used in a variety of applications such as:

• Shift registers
• Counters
• Control circuits
• Memory storage devices

Overall, the MC74ACT109DR2 is a reliable and efficient choice for designers who require a dual JK flip-flop with high-speed performance and low power consumption. Its industry-standard SOIC-16 packaging makes it suitable for compact PCB layouts, while its compatibility with TTL levels ensures ease of integration into existing systems.