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The Onsemi MC74AC161NG is a synchronous 4-bit binary counter that features preset and clear inputs. It belongs to the family of 74AC series integrated circuits, known for their high-speed operation and low-power consumption. This counter can perform binary counting up through 15 (1111) and is commonly used in digital systems requiring counting or sequencing functions. Functions: - Synchronous operation - 4-bit binary counting - Preset and clear inputs for control - High-speed operation - Low-power consumption Applications: - Frequency division in digital circuits - Digital counting applications - Event sequencing and control - Address generation in memory systems - Control signal generation in microcontrollers Alternative Components: - SN74HC161N (Texas Instruments) - CD4516BE (Texas Instruments) - 4024 (NXP Semiconductors) Embedded Modules: The MC74AC161NG is typically used as a standalone component in digital systems and does not have specific embedded modules associated with it. Related Q&A: 1. What is the maximum clock frequency supported by the MC74AC161NG? - The maximum clock frequency for the MC74AC161NG is typically around 50 MHz. 2. Can the MC74AC161NG be cascaded with other counters for higher counting capabilities? - Yes, multiple MC74AC161NG counters can be cascaded to increase the counting range beyond 15. 3. How does the preset input function work in the MC74AC161NG? - The preset input allows users to set a specific starting count value on the counter instead of starting from 0. 4. What is the typical power consumption of the MC74AC161NG during operation? - The MC74AC161NG has a low power consumption characteristic, typically drawing around a few milliwatts during normal operation. 5. Are there any specific voltage level requirements for interfacing with the MC74AC161NG? - The MC74AC161NG operates on standard TTL voltage levels of 5V. Make sure to provide the required voltage levels to ensure proper functionality.