74F191PC
- Mfr.Part #
- 74F191PC
- Manufacturer
- Fairchild Semiconductor
- Package / Case
- 16-DIP (0.300, 7.62mm)
- Datasheet
- Download
- Description
- IC COUNTER DECADE UP/DOWN 16-DIP
- Stock
- 25,688
- In Stock :
- 25,688
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- Manufacturer :
- Fairchild Semiconductor
- Product Category :
- Counters, Dividers
- Number of Elements :
- 1
- Number of Bits per Element :
- 4
- Number of Pins :
- 16
- Number of Input Lines :
- 4
- Series :
- 74F
- Supplier Device Package :
- 16-PDIP
- Published :
- 2007
- Min Supply Voltage :
- 4.5V
- Clock Edge Trigger Type :
- POSITIVE EDGE
- RoHS Status :
- RoHS Compliant
- Timing :
- SYNCHRONOUS
- Number of Circuits :
- 1
- Turn On Delay Time :
- 22 ns
- Number of Bits :
- 4
- Lead Free :
- Lead Free
- Logic Type :
- BINARY COUNTER
- Min Operating Temperature :
- 0°C
- Operating Temperature :
- 0°C~70°C
- Logic Function :
- Counter
- Propagation Delay :
- 11 ns
- Number of Output Lines :
- 4
- REACH SVHC :
- Unknown
- Count Rate :
- 100MHz
- Mount :
- Through Hole
- Trigger Type :
- POSITIVE EDGE
- Max Operating Temperature :
- 70°C
- Frequency :
- 125MHz
- Packaging :
- Tube
- Direction :
- Up, Down
- Package / Case :
- 16-DIP (0.300, 7.62mm)
- Base Part Number :
- 74F191
- Voltage - Supply :
- 4.5V~5.5V
- Mounting Type :
- Through Hole
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Sync/Async :
- SYNCHRONOUS
- Max Supply Voltage :
- 5.5V
- Datasheets
- 74F191PC

Counters, Dividers Fairchild Semiconductor 74F191PC Overview
The 74F191PC from Fairchild Semiconductor is a versatile, high-performance up/down decade counter designed for use in a wide range of applications, including computing, measurement, and control systems. This IC counter is housed in a robust 16-DIP package, providing reliable performance and ease of integration into both existing and new designs. The ability of the 74F191PC to count both upwards and downwards adds flexibility to user applications, accommodating various counting sequences and enhancing its utility in complex digital circuits. Its efficient design ensures low power consumption while maintaining high-speed operation, making it an ideal choice for energy-sensitive projects requiring meticulous counting solutions.
74F191PC Features
The 74F191PC includes several key features that make it a standout choice for designers and engineers. Key attributes include its bidirectional counting capability which allows it to operate as both an up-counter and a down-counter. It also supports a wide operating voltage range, facilitating its use in diverse electrical environments. Additionally, the device offers synchronous operations, enhancing the accuracy and reliability of the counting process, and is equipped with a clear function to reset the count to zero, ensuring ease of management and control in circuit implementations.
74F191PC Applications
- Electronic Voting Machines: The 74F191PC is used to accurately count votes, ensuring reliability and integrity in the electoral process.
- Frequency Counters: Utilized in devices that measure the frequency of signals, providing precise and stable counting necessary for accurate measurements.
- Digital Clocks: Integral in managing time sequencing and event counting, contributing to the precise operation of digital timekeeping devices.
- Production Line Counters: Helps monitor and control the production quantities in industrial settings, ensuring operational efficiency and accuracy in manufacturing processes.
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