Product Overview: 74HC109A by NXP Semiconductors

The 74HC109A is a high-speed Si-gate CMOS device and is pin compatible with low-power Schottky TTL (LSTTL). Designed and manufactured by NXP Semiconductors, a leader in the electronics industry, this integrated circuit is part of the 74HC series, known for its robustness and versatility in a wide range of digital applications.

This particular device is a dual positive-edge triggered J-K flip-flop featuring individual J, K, clock (nCP), set (nSD), and reset (nRD) inputs along with Q and Q outputs. The set and reset are asynchronous active LOW inputs and operate independently of the clock input. The J-K flip-flops are capable of operating in toggle mode if both the J and K inputs are held high simultaneously.

The 74HC109A is designed for use in applications requiring high-speed operations and can function in a broad range of operating conditions. It is typically used in counters, control circuits, and various types of state machines. This makes the device an excellent choice for implementing precise control logic in both commercial and industrial environments.

Key Features:

• Wide supply voltage range from 2.0V to 6.0V
• High noise immunity
• Low power dissipation characteristics
• Complies with JEDEC standard no. 7A
• ESD protection:
• HBM JESD22-A114F exceeds 2000 V
• MM JESD22-A115-A exceeds 200 V
• Multiple package options

The 74HC109A is offered in a variety of packages, including the DIP16, SO16, and (T)SSOP16, providing flexibility for different PCB layouts and assembly processes. The device's low power consumption and high noise immunity make it suitable for battery-operated and portable devices, while its robust ESD protection ensures reliability and longevity in harsh electrical environments.

Whether you are designing complex logic circuits, timing sequences, or synchronizing systems, the 74HC109A from NXP Semiconductors is an excellent choice for a reliable and high-performance dual J-K flip-flop.