SN74HC161DE4

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The SN74HC161DE4 is a monolithic device designed to provide users with logic counters, dividers, and related functions. The SN74HC161DE4 can be implemented in many logic systems for a wide range of applications. The logic is provided by high-speed and low-power logic gates, and the ability to divide a constant frequency or divisor ratio by two. In addition, the SN74HC161DE4 provides some additional features such as presettable synchronous counts and asynchronous clear.

The SN74HC161DE4 differs from the previous SN74LVC161DE4 in that it provides an extended frequency range of 1.5MHz to 32MHz and is packaged in an industry-standard 8 lead SOIC package. It also offers advanced logic with speed enhancement via improved gate cell design, enabling speeds of up to 1.5MHz.

The SN74HC161DE4 is a low-power logic device that operates on a single 5V supply. It also includes an on-chip power-down feature that reduces power consumption when not in use. This is especially useful in battery-operated devices.

The SN74HC161DE4 features a 4-bit synchronous binary counter, a 4-bit presettable synchronous binary counter, and a 4-bit presettable synchronous decade counter. This device provides a standard decade decode function, enabling a non-binary count sequence to be achieved. To further simplify system design, the asynchronous reset, count enable, and binary or decade mode select inputs allow full control over the count sequence.

The SN74HC161DE4 is ideal for applications such as frequency divisors, sequencers, and delay lines. In addition, it can be used to specify a target frequency or even to generate a train of pulses with a specified duty cycle. These functions can be implemented in various applications including timing circuits, system controllers, and data acquisition systems.

The SN74HC161DE4 is based on Combinational CMOS (Complementary Metal Oxide Semiconductor) technology, where both n- and p-channel transistors are used. The logic of the device is driven by a combination of these two transistors, with one type acting as the logic level “1” and the other type acting as the logic level “0”. This ensures that the output logic level remains constant regardless of the state of the input logic level.

The SN74HC161DE4 provides circuit designers with high-speed and low-power logic counters, dividers, and related functions. This device is suitable for a wide range of applications, and offers an improved level of performance over its predecessor. Its extended frequency range along with its low-power consumption makes the SN74HC161DE4 an ideal choice for users in the logic field.

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