SN74LS163AD

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

The SN74LS163AD is a 4-bit ripple counter made of CMOS logic which uses the ripple carry principle. It is used to count the number of pulses and automatically advances its output after each pulse, either in binary or BCD format. The counter can be used for applications in industrial and scientific measuring equipment, automated manufacturing processes, and processor-controlled systems. In addition, the counter can be used to store binary words or program steps.

A ripple counter consists of a chain of cascaded flip-flops. Each flip-flop is triggered by the preceding flip-flop’s output enabling it to count the number of clock pulses applied to its Clock (CLK) input. The SN74LS163AD is a 4-bit counter with four flip flops that can count from 0 to 15. It has four Clock (CLK) inputs and four Q output pins, namely Q0-Q3.

The ‘D’ input of the SN74LS163AD is used to reset the counter to its initial state ‘0’ when required. This is done by applying a pulse to the D input. The D input can also be used for setting the counter to an initial count other than zero by applying two consecutive pulses to the D input. The clock (CLK) input is used to increment the count of the counter. It enables the counter to count the number of pulses applied to it. The CLK input is edge-triggered and can be used to control a specific count sequence.

The counter can be used in four modes, i.e. asynchronous (free running) mode, synchronous mode, synchronous loading mode, and synchronous reset mode. The counter operates in synchronous mode by applying a clock (CLK) pulse to both the CLK and asynchronous (ASYN) inputs. In free-running mode, the asynchronous (ASYN) input is connected to a HIGH (1) while the synchronous (CLK) input is connected to a LOW (0) input.

In synchronous loading mode, the asynchronous (ASYN) input is High (1) while the synchronous (CLK) input is LOW (0). When the HIGH (1) input is applied to the asynchronous (ASYN) input, the data at the data (D) inputs is loaded into the counter. In synchronous reset mode, the CLK and asynchronous (ASYN) inputs are connected to the HIGH (1) input. When the HIGH (1) transition is applied to both inputs, the counter is reset to its initial state (0).

The SN74LS163AD is a 4-bit ripple counter and is widely used in many industrial and commercial applications. It provides a convenient way to count the number of pulses, store binary words and program steps, and can be used to control a specific count sequence. Its asynchronous (ASYN) and synchronous (CLK) inputs enable it to operate in both synchronous and asynchronous (free-running) modes. The \'D\' input can be used to set the initial count of the counter to a desired value.

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