MC74HC161ADG

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 MC74HC161ADG is a popular integrated circuit (IC) from Motorola Inc. that is used in a wide variety of applications. It is a 4-bit synchronous binary up/down counter with separate Up/Down and Output Enable (OE) controls. It is built using high-speed CMOS logic technology, making it suitable for a variety of applications, including logic systems, switches, and counters. In this article, we will discuss the application field and working principle of the MC74HC161ADG.

Application field

The MC74HC161ADG is a synchronous 4-bit binary up/down counter with separate Up/Down and Output Enable (OE) controls. It is used in a variety of applications, including:

• Digital logic systems where counting and data distribution are required.
• Switch debouncing applications.
• Ascending or descending sequences.
• Periodic measurement timing.

The MC74HC161ADG is a versatile IC, as it offers a wide range of frequency ranges and support 6V to 15V voltage range, making it ideal for a variety of applications. Additionally, it can be used in multiple circuits, such as digital logic systems, counters, shift registers, multiplexers, and dividers.

Working Principles

The MC74HC161ADG features a 4-bit synchronous counter with separate Up/Down and Output Enable (OE) controls. It consists of four interconnected D-type flip-flops with common Clock, Up/Down, Data, and Clear inputs. The Clock input triggers a synchronous up or down count when the Up/Down input is LOW (up-count) or HIGH (down-count). The count is entered into the D-type flip-flop on the positive going edge of the Clock when the Data input is HIGH. The count is enabled by the OE input. When the OE is LOW, the output is LOW. When the OE is HIGH, the output is the stored count. The count is cleared when the Clear input is LOW.

The MC74HC161ADG also has two additional features – preload and overflow. The preload allows the user to load the counter with the desired count prior to counting. The overflow reset allows the counter to be reset when the count goes past its maximum limit.

The MC74HC161ADG is an ideal choice for counting-related applications and can be used in a variety of applications, including: switch debouncing, sequencing, timing, and data distribution.

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