CD74HC191E
- Mfr.Part #
- CD74HC191E
- Manufacturer
- Texas Instruments
- Package / Case
- 16-DIP (0.300, 7.62mm)
- Datasheet
- Download
- Description
- IC BCD UP/DWN COUNTR PREST 16DIP
- Stock
- 1,276
- In Stock :
- 1,276
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- Manufacturer :
- Texas Instruments
- Product Category :
- Counters, Dividers
- Base Part Number :
- 74HC191
- Mount :
- Through Hole
- Number of Functions :
- 1
- Lead Free :
- Lead Free
- Radiation Hardening :
- No
- REACH SVHC :
- No SVHC
- Power Supply Current-Max (ICC) :
- 0.08mA
- Prop. Delay@Nom-Sup :
- 37 ns
- Packaging :
- Tube
- Lifecycle Status :
- ACTIVE (Last Updated: 2 days ago)
- Supply Voltage :
- 4.5V
- Number of Elements :
- 1
- Package / Case :
- 16-DIP (0.300, 7.62mm)
- Pin Count :
- 16
- JESD-609 Code :
- e4
- Propagation Delay :
- 315 ns
- Clock Edge Trigger Type :
- POSITIVE EDGE
- Series :
- 74HC
- Height :
- 5.08mm
- Factory Lead Time :
- 6 Weeks
- RoHS Status :
- ROHS3 Compliant
- Load Capacitance :
- 50pF
- Number of Terminations :
- 16
- Operating Temperature :
- -55°C~125°C
- Timing :
- SYNCHRONOUS
- ECCN Code :
- EAR99
- Mounting Type :
- Through Hole
- Weight :
- 951.693491mg
- Number of Pins :
- 16
- Width :
- 6.35mm
- Family :
- HC/UH
- Additional Feature :
- RCO OUTPUT
- Load/Preset Input :
- yes
- Direction :
- Up, Down
- Number of Channels :
- 2
- Thickness :
- 3.9mm
- Trigger Type :
- POSITIVE EDGE
- Frequency :
- 35MHz
- Turn On Delay Time :
- 315 ns
- Number of Bits per Element :
- 4
- Logic Function :
- Counter
- Logic Type :
- BINARY COUNTER
- Voltage - Supply :
- 2V~6V
- Contact Plating :
- Gold
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Length :
- 19.3mm
- Supply Voltage-Max (Vsup) :
- 6V
- Terminal Position :
- Dual
- Termination :
- Through Hole
- Supply Voltage-Min (Vsup) :
- 2V
- Datasheets
- CD74HC191E

Counters, Dividers Texas Instruments CD74HC191E Overview
Introducing the CD74HC191E by Texas Instruments, a versatile integrated circuit designed to meet the demands of modern electronic systems. This IC is meticulously crafted to provide seamless BCD up/down counting functionality, ensuring precise control and reliable performance in diverse applications.
With a compact 16-pin DIP package, the CD74HC191E integrates seamlessly into circuit designs, offering flexibility and ease of implementation. Whether you're designing industrial automation systems, digital clocks, frequency dividers, or electronic meters, this high-quality IC delivers exceptional results.
CD74HC191E Features
- BCD up/down counting capability
- Integrated preset function
- High-speed operation
- Wide supply voltage range
- Low power consumption
- Compatible with TTL and CMOS logic levels
- Direct clear function for easy operation
- Compact 16-pin DIP package for space-efficient designs
CD74HC191E Applications
- Industrial Automation Systems: The CD74HC191E is ideal for use in industrial control systems, where precise counting and control are essential. It can be employed in conveyor belt systems, production line monitoring, and equipment sequencing.
- Digital Clocks: Incorporate the CD74HC191E into digital clock designs to accurately track time and implement countdown or count-up functionality. Its high-speed operation ensures accurate timekeeping, making it suitable for a variety of time-critical applications.
- Frequency Dividers: Utilize the CD74HC191E in frequency divider circuits to divide input frequencies by a specified factor. This is useful in applications such as signal processing, frequency synthesis, and digital communications.
- Electronic Meters: The precise counting capabilities of the CD74HC191E make it well-suited for use in electronic meters, including energy meters, flow meters, and digital panel meters. It ensures accurate measurement and reliable performance in demanding environments.
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