CD40161BPWE4

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The CD40161BPWE4 is part of the CD40161B family of 4-bit programmable synchronous counters and dividers, a type of integrated circuit manufactured by Texas Instruments. It offers high performance and reliable counting, dividing, and timing operations in a variety of applications. The CD40161BPWE4 is used as a divide-by-n counter for clock generation, for frequency synthesis, for accurate timing, for self-measuring functions, and for memory address decoding.

The programmable CD40161BPWE4 accepts an input clock signal, and is designed to provide an output pulse of an adjustable width, allowing the user to program change in frequency and duty cycle. It has 4 programmable bit inputs that can be used to determine the counter output frequency, allowing a resolution of 2^4-1 or 15. It also has an enable input, a reset input, and an output enable pin which are used to control timing and generate breakoboard signals.

The X-terminal is connected to all 4 counter/divider outputs. It provides an adjustable frequency from 1 to 16 inclusive from 1 to 16 kHz depending on the input signal frequency and programming of the counter/divider. The Z-terminal is connected to the output enable pin and is used to select the output signal of the counter/divider, so that the output signal can be clocked or timed. The E-terminal is used to enable or disable the output signal.

The CD40161BPWE4 operates in most voltage ranges from 4.5 to 14 V, and is 5V compatible. It features low power consumption, making it suitable for a wide range of applications in which long battery life is desired. It is also designed to handle high frequency input pulses, and provides low and constant thermally generated jitter when fed with clean and steady clock signals.

The working principle of the CD40161BPWE4 is based on the concept of synchronous counters and dividers. It works by using an input clock signal to trigger an output on its 4 bit terminals, making it \'count\'. This 4-bit output is then used to determine the frequency and duty cycle of the output signal. As the counter/divider is programmable, the user is able to adjust the count and the width and frequency of the output signal.

The CD40161BPWE4 is widely used in microprocessor or microcontroller systems due to its low power consumption and its ability to time and count several processes simultaneously. It is also frequently used in video gaming consoles, digital watches and clocks, and in concert with frequency synthesizers. It can also be used in automotive applications, to detect user inputs, and in voltage and temperature sensing systems.

The CD40161BPWE4 is a versatile, reliable and easy to use, programmable synchronous counter/divider that can be used in a variety of applications to provide accurate timing, counting and frequency synthesis operations. With a low power consumption and adjustable outputs, it is an essential part of many microprocessor and microcontroller systems.

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