74AC161SC

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 74AC161SC is a member of the series of synchronous 4-bit binary up/down counters. It is settable by means of three Inputs for UP/DOWN, LOAD and CLOCK. It is suitable for both high- and low-power applications. This device can operate from supply voltages of 3V to 15V and has typical propagation delay times of 8ns.

The 74AC161SC is an integrated circuit that contains a 4-bit binary counter, with intermediate outputs for all count states, as well as separate answers for a preset and clear inputs. The device includes a clock input for synchronous operation and a carry output for cascading. It also features a direct reset terminal that allows the counter to be reset through a LOGIC 1. The direct reset input is edge-triggered, whereby the counters reset state can be set and reset independently.

The 74AC161SC is commonly used in applications such as general-purpose counters, frequency dividers and frequency multipliers. It is also used to control timing and sequence counting operations. The device can be cascaded together with additional 74AC161SC circuits and can accept various external clock signals, depending on the specific application.

The working principle of the 74AC161SC is quite simple. The clock input receives a signal from another device that triggers the counter to increment or decrement its count. The count is changed according to the UP/DOWN control input, which determines whether a count of up or down is accepted. The load input causes the counter to then update its count with the new value. The preset and clear inputs are not often used, but can also cause the counter to assume a logical state of either being preset or cleared. The device then sends out the updated count from its four outputs, one binary bit at a time.

The 74AC161SC is a highly versatile and reliable device that is used extensively in both commercial and consumer electronics applications. Its simple and intuitive design allows it to be integrated into a variety of circuits and systems. Thanks to its low power consumption, high speed and low cost, the 74AC161SC can be found in almost any contemporary electronics system.

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