The 74HCT109D,653 is a high-speed Si-gate CMOS device from NXP Semiconductors, renowned for its robust performance and reliability. This integrated circuit is part of the 74HCT series, which is designed to be compatible with LSTTL (Low-power Schottky TTL) levels, making it a versatile choice for interfacing with older TTL logic while benefiting from the low power consumption of CMOS technology.

Key Features

• Dual JK Positive Edge-Triggered Flip-Flop: The device consists of two independent flip-flops with JK-type inputs, which provide a high degree of control over the state transitions and are ideal for a variety of counting and toggle functions.
• Wide Operating Voltage: It operates over a wide voltage range of 4.5V to 5.5V, which makes it suitable for various applications in different power environments.
• High-Speed Operation: With a typical propagation delay of only 13ns, the 74HCT109D,653 offers fast switching, contributing to improved overall performance in high-speed logic systems.
• Low Power Consumption: The CMOS technology ensures low power dissipation, with a typical Icc of only 4µA, making it ideal for power-sensitive applications.
• Output Capability: The device can drive up to 10 LSTTL loads, which provides sufficient current for most applications without needing additional buffer components.
• ESD Protection: The inputs include protection against electrostatic discharge, enhancing the durability and longevity of the device in demanding environments.

Applications

The 74HCT109D,653 is suitable for a wide range of applications, including:

• Counter and divider circuits
• Control systems
• Pulse shaping and timing circuits
• Toggle functions
• Sequential logic applications

Package and Quality

The device comes in a compact SO-16 (Small Outline) package, which is ideal for space-constrained applications. As with all NXP products, the 74HCT109D,653 is manufactured to the highest quality standards, ensuring reliable performance in a range of operating conditions.