74F191PC
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- Mfr.Part #
- 74F191PC
- Manufacturer
- National Semiconductor
- Package / Case
- 16-DIP (0.300, 7.62mm)
- Datasheet
- Download
- Description
- IC COUNTER DECADE UP/DOWN 16-DIP
- Stock
- 16,235
- In Stock ：
- 16,235
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- Manufacturer :
- National Semiconductor
- Product Category :
- Counters, Dividers
- Mount :
- Through Hole
- Mounting Type :
- Through Hole
- Max Supply Voltage :
- 5.5V
- Sync/Async :
- SYNCHRONOUS
- Series :
- 74F
- Number of Pins :
- 16
- Number of Elements :
- 1
- Operating Temperature :
- 0°C~70°C
- Number of Circuits :
- 1
- Package / Case :
- 16-DIP (0.300, 7.62mm)
- RoHS Status :
- RoHS Compliant
- Propagation Delay :
- 11 ns
- Trigger Type :
- POSITIVE EDGE
- Max Operating Temperature :
- 70°C
- Voltage - Supply :
- 4.5V~5.5V
- Supplier Device Package :
- 16-PDIP
- Base Part Number :
- 74F191
- Min Operating Temperature :
- 0°C
- Number of Output Lines :
- 4
- Number of Bits per Element :
- 4
- Lead Free :
- Lead Free
- Number of Bits :
- 4
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Frequency :
- 125MHz
- Logic Type :
- BINARY COUNTER
- Logic Function :
- Counter
- Published :
- 2007
- Min Supply Voltage :
- 4.5V
- Packaging :
- Tube
- Direction :
- Up, Down
- Number of Input Lines :
- 4
- Count Rate :
- 100MHz
- Clock Edge Trigger Type :
- POSITIVE EDGE
- REACH SVHC :
- Unknown
- Turn On Delay Time :
- 22 ns
- Timing :
- SYNCHRONOUS
- Datasheets
- 74F191PC
Counters, Dividers National Semiconductor 74F191PC Overview
The National Semiconductor 74F191PC is a high-performance, up/down decade counter, encapsulated in a 16-pin dual inline package (DIP). Designed for precision counting applications, this integrated circuit (IC) from National Semiconductor offers robust versatility in digital logic circuits. The ability to count both up and down allows for a wide range of applications, from simple counting solutions to more complex computing systems. Engineered with the needs of modern digital systems in mind, the 74F191PC provides a reliable foundation for designing advanced counting mechanisms, making it an essential component for businesses requiring bulk purchasing of dependable and flexible counting solutions.
74F191PC Features
The 74F191PC counter features dual counting modes, enabling it to count both upwards and downwards efficiently. It includes a built-in carry look-ahead for cascading counters together in high-speed computing environments, thus allowing for extended counting ranges with minimal delay. The device operates over a standard voltage range and is compatible with TTL (Transistor-Transistor Logic) levels, making it highly adaptable in various technological setups.
74F191PC Applications
- Digital clocks: Integrates into digital clock systems to manage timekeeping and alarm functionalities.
- Event counters: Utilized in devices that count occurrences of events, such as ticketing machines or attendance systems.
- Frequency counters: Essential in frequency measurement instruments used in communications and lab equipment.
- Data processing systems: Plays a critical role in data systems requiring precise operations count for processing and computations.
- Manufacturing systems: Aids in tracking production counts in automated manufacturing lines, ensuring accuracy and efficiency.
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