SN74HC161N

The SN74HC161N can be described in English as follows:

The SN74HC161N is a high-speed, presettable, synchronous 4-bit binary counter IC manufactured by a leading semiconductor company. It is designed for use in digital circuits and systems where precise counting and timing are required. The IC features an internal carry look-ahead circuitry, which allows for fast counting and easy cascading of multiple counters for n-bit applications.

Key Features:

• Synchronous Operation: All flip-flops are clocked simultaneously, ensuring that the outputs change coincidentally when instructed by the count-enable inputs. This eliminates output counting spikes associated with synchronous ripple-clock counters.
• Presettable: The counter can be preset to any number between 0 and 15, allowing for flexible counting sequences and configurations.
• Carry Look-Ahead: This circuitry enables cascading of counters without additional gating, simplifying the design of n-bit synchronous applications.
• Buffered Clock Input: A buffered clock input triggers the four flip-flops on the rising edge of the clock waveform, ensuring reliable and accurate counting.
• Asynchronous Clear: The clear function is asynchronous, allowing the counter to be reset regardless of the clock or other input levels.
• Wide Operating Voltage Range: The IC operates within a voltage range of 2V to 6V, making it suitable for a variety of applications and power supplies.
• High Speed and Low Power Consumption: With a typical propagation delay of 14ns and a maximum ICC of 80µA, the SN74HC161N offers high-speed counting with low power consumption.
• Pin Compatibility: The IC is pin-compatible with low-power Schottky TTL (LSTTL) devices, making it easy to integrate into existing circuits and systems.

Applications:

The SN74HC161N is ideal for use in a wide range of digital circuits and systems, including timing control, frequency division, pulse generation, and more. Its high speed, low power consumption, and flexible configuration options make it a popular choice for engineers and designers working on complex digital systems.

In summary, the SN74HC161N is a high-performance, presettable, synchronous 4-bit binary counter IC that offers a combination of speed, reliability, and flexibility. Its advanced features and pin compatibility make it a versatile choice for a wide range of digital applications.