The 74AHC74D is a high-speed Si-gate CMOS device from NXP Semiconductors renowned for its robust performance in a wide array of electronic applications. Designed to operate at the same speed as low power Schottky TTL (LSTTL), it boasts a significantly lower power consumption, making it an ideal choice for power-sensitive designs.
Key Features
- Dual D-type Flip-Flop: The 74AHC74D is equipped with two D-type flip-flops with individual clear and set inputs for each flip-flop. This configuration allows for flexible setup and reset operations, making it suitable for a variety of logic applications.
- High-Speed Operation: With a typical operating frequency of up to 160 MHz, this device is capable of high-speed toggling, which is essential for applications requiring rapid data processing and timing generation.
- Low Power Consumption: The device operates with a low power dissipation, typically 2 μA in standby mode, making it an energy-efficient choice for battery-operated and power-sensitive systems.
- Wide Operating Voltage: The 74AHC74D operates within a voltage range of 2.0 to 5.5 V, providing versatility in interfacing with both 3.3 V and 5 V logic levels, thus ensuring compatibility with a broad range of digital circuits.
- Output Drive Capability: Capable of driving up to 8 mA at the output, the device can directly drive LEDs and other low-power devices, simplifying circuit design.
- ESD Protection: The inputs have been designed to have high electrostatic discharge (ESD) protection levels, thereby enhancing the reliability and longevity of the device in harsh environments.
Applications
The 74AHC74D is widely used in various applications that require high-speed and reliable flip-flop operations. It is commonly found in:
- Counters and dividers
- Registers
- Control circuits
- Toggle circuits
- Frequency synthesizers
Package and Quality
The device is available in a SO14 package, which is a small-outline package that is both space-saving and suitable for automated surface-mount assembly processes. NXP Semiconductors is committed to delivering high-quality products, and the 74AHC74D is no exception, meeting stringent industry standards for performance and reliability.
