SN74HC191D
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- Mfr.Part #
- SN74HC191D
- Manufacturer
- Texas Instruments
- Package / Case
- 16-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- IC 4-BIT UP/DN BIN CNTR 16-SOIC
- Stock
- 1,605
- In Stock ：
- 1,605
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- Manufacturer :
- Texas Instruments
- Product Category :
- Counters, Dividers
- Terminal Position :
- Dual
- Height :
- 1.75mm
- Power Supply Current-Max (ICC) :
- 0.08mA
- Mount :
- Surface Mount
- Packaging :
- Tube
- Supply Voltage-Min (Vsup) :
- 2V
- Family :
- HC/UH
- Pbfree Code :
- yes
- Frequency :
- 48MHz
- Lifecycle Status :
- ACTIVE (Last Updated: 4 days ago)
- Additional Feature :
- RCO OUTPUT
- Radiation Hardening :
- No
- Mounting Type :
- Surface Mount
- Max I(ol) :
- 0.0052 A
- Length :
- 9.9mm
- Package / Case :
- 16-SOIC (0.154, 3.90mm Width)
- ECCN Code :
- EAR99
- Operating Temperature :
- -40°C~85°C
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Logic Type :
- BINARY COUNTER
- Propagation Delay :
- 330 ns
- Trigger Type :
- POSITIVE EDGE
- Base Part Number :
- 74HC191
- Timing :
- SYNCHRONOUS
- Supply Voltage-Max (Vsup) :
- 6V
- Lead Free :
- Lead Free
- Voltage - Supply :
- 2V~6V
- Terminal Form :
- Gull wing
- Number of Terminations :
- 16
- Clock Edge Trigger Type :
- POSITIVE EDGE
- Supply Voltage :
- 5V
- Factory Lead Time :
- 6 Weeks
- Direction :
- Up, Down
- Number of Elements :
- 1
- REACH SVHC :
- No SVHC
- Thickness :
- 1.58mm
- RoHS Status :
- ROHS3 Compliant
- Load/Preset Input :
- yes
- Peak Reflow Temperature (Cel) :
- 260
- Operating Supply Voltage :
- 5V
- Number of Functions :
- 1
- Number of Pins :
- 16
- Logic Function :
- Counter
- Width :
- 3.91mm
- Count Rate :
- 24MHz
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- JESD-609 Code :
- e4
- Number of Bits per Element :
- 4
- Power Supplies :
- 2/6V
- Load Capacitance :
- 50pF
- Series :
- 74HC
- Turn On Delay Time :
- 330 ns
- Weight :
- 141.690917mg
- Pin Count :
- 16
- Datasheets
- SN74HC191D
Counters, Dividers Texas Instruments SN74HC191D Overview
Introducing the SN74HC191D from Texas Instruments, a high-performance 4-bit up/down binary counter that is essential for advanced digital systems requiring precise counting and frequency division. As part of the Counters, Dividers category, this IC delivers robust functionality and consistent performance. The SN74HC191D is designed to interface directly with the 5V systems, making it an ideal choice for integration into a wide range of industrial and commercial applications. Its precise counting capabilities allow for enhanced process control and system management, ensuring operations are both efficient and scalable.
SN74HC191D Features
The SN74HC191D boasts a slew of features that make it a versatile and indispensable component of any digital logic circuit. Key features include its capability to count both up and down, allowing for versatile number manipulation and control within a circuit. The IC operates from a standard 5V supply, providing compatibility with most digital systems. It also features a direct clear function, synchronous counting and a robust tolerance to ambient conditions, which underscores its utility in demanding applications.
SN74HC191D Applications
- Digital clocks: Employed in the logic for minute and hour counting mechanisms.
- Event counters: Utilized in various devices for tallying occurrences and operations.
- Frequency dividers: Essential in creating multiple frequency outputs for communication equipment.
- Data processing systems: Helps manage data flow and ensures accuracy in processing operations.
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