SN74ALS191AD
- Mfr.Part #
- SN74ALS191AD
- Manufacturer
- Texas Instruments
- Package / Case
- 16-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- IC COUNTER BIN 4BIT U/D 16-SOIC
- Stock
- 3
- In Stock :
- 3
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- Manufacturer :
- Texas Instruments
- Product Category :
- Counters, Dividers
- Logic Type :
- BINARY COUNTER
- Pbfree Code :
- yes
- Propagation Delay :
- 37 ns
- Frequency :
- 30MHz
- Power Supplies :
- 5V
- Clock Edge Trigger Type :
- POSITIVE EDGE
- Direction :
- Up, Down
- Length :
- 9.9mm
- Lead Free :
- Lead Free
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Package / Case :
- 16-SOIC (0.154, 3.90mm Width)
- Width :
- 3.91mm
- Turn On Delay Time :
- 37 ns
- Number of Terminations :
- 16
- Additional Feature :
- TCO OUTPUT
- REACH SVHC :
- No SVHC
- Radiation Hardening :
- No
- Series :
- 74ALS
- Pin Count :
- 16
- Factory Lead Time :
- 6 Weeks
- Logic Function :
- Counter
- Trigger Type :
- POSITIVE EDGE
- Voltage - Supply :
- 4.5V~5.5V
- Load Capacitance :
- 50pF
- Weight :
- 141.690917mg
- Mounting Type :
- Surface Mount
- Thickness :
- 1.58mm
- Number of Pins :
- 16
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Timing :
- SYNCHRONOUS
- Mount :
- Surface Mount
- Operating Supply Voltage :
- 5V
- Number of Elements :
- 1
- Base Part Number :
- 74ALS191
- Load/Preset Input :
- yes
- Height :
- 1.75mm
- Number of Functions :
- 1
- Terminal Form :
- Gull wing
- RoHS Status :
- ROHS3 Compliant
- Family :
- ALS
- Operating Temperature :
- 0°C~70°C
- Terminal Position :
- Dual
- Peak Reflow Temperature (Cel) :
- 260
- Max I(ol) :
- 0.008 A
- Supply Voltage :
- 5V
- Power Supply Current-Max (ICC) :
- 22mA
- Number of Bits per Element :
- 4
- Lifecycle Status :
- ACTIVE (Last Updated: 5 days ago)
- Packaging :
- Tube
- JESD-609 Code :
- e4
- Datasheets
- SN74ALS191AD

Counters, Dividers Texas Instruments SN74ALS191AD Overview
The SN74ALS191AD from Texas Instruments is a high-performance, 4-bit binary up/down counter integrated circuit, specifically designed for precision counting applications. Housed in a compact 16SOIC package, it caters to designers looking for a reliable solution that combines flexibility with efficiency. The SN74ALS191AD is engineered to handle quick directional changes between counting up and down, making it an ideal choice for sophisticated digital systems that require precise control and scalability. By incorporating this counter in your designs, you can achieve enhanced performance and reliability in a variety of applications, which are crucial for today's technology-driven markets.
SN74ALS191AD Features
- Dual-mode operation: Capable of both up and down counting.
- Wide operating voltage range: Suitable for various power supply specifications.
- High-speed operation: Ensures quick response and processing.
- Low power consumption: Ideal for power-sensitive applications.
- Easy integration: SOIC-16 packaging for streamlined PCB design.
SN74ALS191AD Applications
- Digital clocks: Used for timekeeping and to manage hours, minutes, and seconds in consumer electronics.
- Event counters: Tracks occurrences in measurement and automation systems.
- Frequency counters: Measures frequency in testing and communication equipment.
- Processors and computing systems: Utilized for tasks requiring sequence control and data management.
- Robotic systems: Helps in motion control and precise positioning for industrial robots.
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