The 74HCT7046AD,118 is an integrated circuit (IC) component that belongs to the 74HCT series of high-speed CMOS logic family. It is designed for precision frequency and time measurement applications. Below are the key features of the 74HCT7046AD,118:
1. CMOS Technology: The IC is based on CMOS technology, which provides low power consumption and high noise immunity. It operates at 4.5 to 5.5 volts and is compatible with TTL (Transistor-Transistor Logic) inputs.
2. Accuracy and Resolution: The 74HCT7046AD,118 offers high accuracy and resolution for frequency and time measurements. It can measure frequencies up to 100MHz with a resolution of 10 digits per second.
3. Programmable Count Dividers: This IC provides four programmable count dividers (N=3, 10, 11, and 100), which allow flexible frequency division and multiplication. These dividers can be selected using control pins, enabling customization of the output frequency.
4. External Time Base Input: The IC features an external time base input (TBI), which allows synchronization of the internal clock with an external reference signal. This feature helps to maintain accurate time measurement and synchronization with other systems.
5. Frequency and Time Measurement Modes: The 74HCT7046AD,118 supports multiple measurement modes, including direct measurement of frequency, period, pulse width, and time interval. It has input capture and output compare functionality for accurate measurement results.
6. Serial Interface: The IC includes a serial interface, which enables easy communication with microcontrollers or other digital devices. This interface allows control and configuration of the IC, as well as data retrieval of measured values.
7. On-Chip Oscillator: The 74HCT7046AD,118 incorporates an on-chip oscillator for generating the internal clock signal. The oscillator's frequency is adjustable using external capacitors, providing flexibility in the desired frequency range.
8. Operating Temperature Range: The IC is designed to operate within a wide temperature range, typically from -40°C to +125°C. This temperature tolerance makes it suitable for various industrial and automotive applications.
In summary, the 74HCT7046AD,118 is a versatile IC component offering precision frequency and time measurements. It features high accuracy, multiple measurement modes, programmable count dividers, a serial interface, and an on-chip oscillator. Its wide operating temperature range makes it suitable for various applications requiring reliable and accurate time and frequency measurement.
