CD74HC163E

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

CD74HC163E is a high-speed CMOS logic counter devide by Texas Instruments. Using advance CMOS technology, it provides high speed and low power with 4-bit binary synchronous counters, ideal for applications such as clock frequency division, audio and video switching and video sync detectors. The CD74HC163E can operate in various modes such as divide-by-2 and count up to 15 as well as synchronous reset of the output.

The main application of the CD74HC163E is in high speed logic counters and dividers. Typical applications include pulse width modulation, pulse rate modulation, input buffer frequency division, audio and video switching, video synchronization detectors and time interval measurements. It can also be used for machine control and motion sensing systems.

The operating principle of the CD74HC163E is quite simple. It is a synchronous counter device, meaning that when a clock signal is applied, the output signals change state as defined by the clock frequency. When the clock signal is turned on, the counter will start counting up or down depending on the direction control input.

The CD74HC163E has four outputs, labeled A0-A3. Outputs A0-A1 are active low signals that indicate the two least significant bits of the counter, while outputs A2-A3 indicate the two most significant bits. The data inputs D2-D0 and EN control the direction, speed and reset of the counter. When EN is high and D2-D0 are equal to logic "0", the counter will continue counting up in the previously selected direction. When EN is low, the counter will reset to logic "0" and all outputs will be held low until the next clock cycle.

The CD74HC163E also has an asynchronous reset pin that can be used to reset the counter at any time. When this input is high, the counter will reset and all outputs will be held low until the next clock cycle. The asynchronous reset pin can be used to synchronize the counter with an external event, thus making it ideal for applications such as pulse width modulation, pulse rate modulation and time interval measurements.

The operating temperature range of the CD74HC163E is from -40°C to 85°C, making it suitable for use in most applications. The device can operate up to a maximum speed of 48MHz when powered from a 5V supply. The propagation delays and times are further reduced when operated from a 3V supply.

In conclusion, the CD74HC163E is an excellent choice for applications requiring high speed counters or dividers. It can be used in applications such as pulse width modulation, pulse rate modulation, audio and video switching, video synchronization detectors and time interval measurements. The asynchronous reset input makes it ideal for synchronizing the counter with an external event, thus providing a flexible solution to many applications. Its low power consumption and wide operating temperature range makes it an ideal choice for use in various industrial and consumer applications.

The specific data is subject to PDF, and the above content is for reference