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Onsemi 74F190PC Environmental and export classification status description

The Onsemi74F190PC is a high-speed integrated circuit (IC) that belongs to the family of 74F series TTL (Transistor-Transistor Logic) components. It is a synchronous, decade up/down counter featuring an active-low asynchronous preset and clear function. Functions: 1. Decade up/down counter: Allows counting up or down by 1 for each clock pulse. 2. Active-low asynchronous preset: Resets the counter to a predetermined value when activated. 3. Active-low asynchronous clear function: Clears the counter to 0 when activated. 4. High-speed operation: Suitable for applications requiring fast counting or control functions. Applications: 1. Frequency division: Used in clock signal processing circuits. 2. Digital counters: Employed in various digital systems for counting operations. 3. Industrial control systems: Utilized for counting and timing functions. 4. Test equipment: Integrated into measurement devices for frequency and event counting. 5. Automotive electronics: Found in vehicle control modules for specific applications. Alternative Components: 1. 74LS190: Low-power Schottky TTL up/down decade counter. 2. 74HC190: High-speed CMOS up/down decade counter. 3. 74AC190: Advanced CMOS up/down decade counter with increased speed and lower power consumption. Embedded Modules: 1. Clock input: Connects to an external clock signal for counting operations. 2. Preset and clear inputs: Used for manual resetting or clearing of the counter. 3. Up/down control input: Specifies the counting direction as up or down. 4. Parallel and serial data outputs: Provide the current count value in different formats. 5. Power supply pins: Connect to the external power source for operation. --- Related Q&A: 1. Q: How does the Onsemi74F190PC handle overflow or underflow conditions? A: The Onsemi74F190PC typically has output pins that indicate overflow and underflow conditions, allowing external circuitry to respond accordingly. 2. Q: Can the Onsemi74F190PC be cascaded to create larger counter widths? A: Yes, multiple Onsemi74F190PC ICs can be cascaded to create larger counter widths by connecting the carry/borrow output of one counter to the enable input of the next counter. 3. Q: What is the typical power consumption of the Onsemi74F190PC in active mode? A: The Onsemi74F190PC typically consumes around 10-20 mW of power in active mode, depending on the operating conditions and clock frequency. 4. Q: Are there any specific precautions to be taken while using the Onsemi74F190PC in high-speed applications? A: It is recommended to ensure proper decoupling capacitors are used near the power supply pins and to follow the specified operating conditions to avoid signal integrity issues at high clock frequencies. 5. Q: Can the Onsemi74F190PC be used in both synchronous and asynchronous counting applications? A: Yes, the Onsemi74F190PC supports both synchronous and asynchronous preset and clear functions, making it suitable for various counting applications requiring different modes of operation.