CD4521BEG4

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CD4521BEG4 is a CMOS synchronous BCD up/down counter. It is a 16-pin device that consists of two separate counter circuits and an input logic. As a result, it can count up or down and operate in synchronous or asynchronous Mode. It is widely used in various fields for its small size and low power consumption.

The CD4521BEG4 can operate from a supply voltage of 2.0V to 6.0V while still retaining its operating current of 500uA in a temperature range of 0ºC to 70ºC. It has a wide range of features including an adjustable reset and four active low inputs, which allow its output to be synchronous or asynchronous based on the input logic. The device also features a programmable preload and reload facility which allows the output to be loaded into an external register.

The CD4521BEG4 is designed to count up or down in a synchronous or asynchronous mode. In synchronous mode, the device is clocked on both rising and falling edges of the clock signal. In asynchronous mode, the device is clocked on the rising edge of the clock signal. The device\'s internal logic is designed to recognize the direction of the count, allowing it to count up or down based on the input logic.

The CD4521BEG4 is widely used in a variety of applications. It is commonly used in control systems as it can count from 0 up to a predefined value, and then reset itself automatically. The device is also used in alarm systems where it is used to provide an alarm output when the count reaches an inputhigh or low value. In addition, the device is often used in timing circuits, where it can be used to produce a pulse output whenever the count reaches a pre-defined value.

The CD4521BEG4 is a versatile counter and can be used in a variety of applications due to its features and low power consumption. The device requires just 2.0V to 6.0V of supply voltage and also features a programmable preload and reload facility which allows the output to be loaded into an external register. In addition, the device can operate in either a synchronous or asynchronous mode, which makes it suitable for a wide range of applications.

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