HCF4018BEY

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The HCF4018BEY is a device from the 4000-series of CMOS logic integrated circuits from the company STMicroelectronics. It is a logic family of dividers and counters commonly used for frequency division, various digital counting applications, and for creating various clock signals.

The HCF4018BEY is made up of three major components - Buffers, Decoders, and Counters. The Buffers are used to transfer data. The Decoders are used to decode an input signal into a logic state and the Counters are used to count the number of occurrences of an input signal. The device has six pins - four inputs and two outputs.

There are two distinct types of counters found in the device - a Ripple Counter, and a Synchronous Counter. A Ripple Counter is a type of counter where the output of one stage acts as the input to the next stage, resulting in every stage transitioning at a slightly different rate. The Synchronous Counter is a type of counter where all stages transition at the same rate.

Furthermore, the HCF4018BEY also features four levels of decoding outputs so that it can be used for various kinds of frequency division applications. The primary output is used for frequency division by two, the secondary output is used for division by four, and the tertiary and quaternary outputs are used for division by eight and sixteen respectively.

The HCF4018BEY has an operating temperature range between -40 °C to +85 °C and it is available in a 16-pin ceramic dual in-line package (CDIP). It also has a TTL-compatible logic threshold which allows it to be used with other logic systems. The device is powered by +5V power supply and a maximum clock speed of 32kHz.

The HCF4018BEY has a wide range of applications due to its ability to generate various counting signals, as well as its frequency division capabilities. Common applications that utilize this device include general-purpose counters, event counters, and frequency divisiona applications. It can also be used as a simple timer in various digital circuitry applications.

In conclusion, the HCF4018BEY from STMicroelectronics is a highly versatile and useful device for many digital applications. It is widely used for digital counting, frequency division, and general digital circuitry applications. It is capable of operating over a wide range of temperature and it is also compatible with most TTL-based logic systems.

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