CD74AC191E
- Mfr.Part #
- CD74AC191E
- Manufacturer
- Texas Instruments
- Package / Case
- PDIP
- Datasheet
- Download
- Description
- PRESETTABLE 4-BIT COUNTER
- Stock
- 3,021
- In Stock :
- 3,021
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- Manufacturer :
- Texas Instruments
- Product Category :
- Counters, Dividers
- Terminal Form :
- THROUGH-HOLE
- Count Direction :
- Bidirectional
- Terminal Pitch :
- 2.54mm
- HTS Code :
- 8542.39.00.01
- Width :
- 7.62mm
- Terminal Position :
- Dual
- fmax-Min :
- 68 MHz
- Supply Voltage-Min (Vsup) :
- 1.5V
- Pbfree Code :
- No
- Max Frequency@Nom-Sup :
- 60000000Hz
- Reach Compliance Code :
- not_compliant
- RoHS Status :
- Non-RoHS Compliant
- Power Supplies :
- 3.3/5V
- Max I(ol) :
- 0.012 A
- Qualification Status :
- Not Qualified
- Supply Voltage-Max (Vsup) :
- 5.5V
- Height Seated (Max) :
- 5.08mm
- Peak Reflow Temperature (Cel) :
- NOT SPECIFIED
- Operating Temperature (Min) :
- -55°C
- Length :
- 19.305mm
- Surface Mount :
- No
- Additional Feature :
- TCO OUTPUT
- Time@Peak Reflow Temperature-Max (s) :
- NOT SPECIFIED
- Mode of Operation :
- SYNCHRONOUS
- Operating Temperature (Max) :
- 125°C
- Number of Terminations :
- 16
- Propagation Delay (tpd) :
- 20.4 ns
- Number of Functions :
- 1
- Family :
- AC
- Logic IC Type :
- BINARY COUNTER
- Temperature Grade :
- Military
- Package / Case :
- PDIP
- Trigger Type :
- POSITIVE EDGE
- Supply Voltage :
- 3.3V
- Pin Count :
- 16
- Load/Preset Input :
- yes
- Number of Bits :
- 4
- Load Capacitance :
- 50pF
- Datasheets
- CD74AC191E

Counters, Dividers Texas Instruments CD74AC191E Overview
The Texas Instruments CD74AC191E is a high-performance CMOS Presettable 4-Bit Counter, expertly designed for various counting applications where reliability and efficiency are critical. This advanced counter is capable of synchronous operations, making it highly suitable for precision tasks. It is essential in environments that require rapid response and precise data handling. The robustness of the CD74AC191E ensures extended operational lifespan and stability, making it a preferred choice for professional-grade electronics.
CD74AC191E Features
The CD74AC191E from Texas Instruments stands out with its features, including the ability to be preset, which allows for flexible and rapid setup. The device offers a direct clear function, enhancing usability and control in complex circuits. Its high-speed operation and the capability to operate in either up or down counting modes increase its adaptability across different applications.
CD74AC191E Applications
- Digital Clocks: In digital clocks, the CD74AC191E serves as a critical component for timekeeping and sequence generation, ensuring accurate time display and functionality.
- Event Counters: The device tracks and manages event sequences in industrial and scientific measuring instruments, providing precise count and data integrity.
- Data Processing Systems: Utilized for data sorting and storage, the CD74AC191E ensures that data flows are managed correctly in systems requiring high-speed data handling.
- Frequency Counters: In frequency measurement tools, this counter offers accurate tallying of frequency inputs, essential for communication and broadcast systems.
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