SN74LS221DR
- Mfr.Part #
- SN74LS221DR
- Manufacturer
- Texas Instruments
- Package / Case
- 16-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- IC MULTIVIBRATOR 45NS 16SOIC
- Stock
- 212
- In Stock :
- 212
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- Manufacturer :
- Texas Instruments
- Product Category :
- Multivibrators
- Operating Temperature :
- 0°C~70°C
- Packaging :
- Tape and Reel (TR)
- Logic Function :
- Multivibrator
- Number of Terminations :
- 16
- Packing Method :
- TR
- Width :
- 3.91mm
- Family :
- LS
- JESD-609 Code :
- e4
- Thickness :
- 1.58mm
- Mounting Type :
- Surface Mount
- Base Part Number :
- 74LS221
- Pbfree Code :
- yes
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Operating Supply Voltage :
- 5V
- Pin Count :
- 16
- Number of Elements :
- 2
- Terminal Form :
- Gull wing
- Lifecycle Status :
- ACTIVE (Last Updated: 3 days ago)
- Logic Type :
- Monostable
- Current - Output High, Low :
- 400μA 8mA
- Peak Reflow Temperature (Cel) :
- 260
- Output Polarity :
- Complementary
- Max I(ol) :
- 0.008 A
- Propagation Delay :
- 45ns
- Lead Free :
- Lead Free
- Length :
- 9.9mm
- Turn On Delay Time :
- 80 ns
- ECCN Code :
- EAR99
- Supply Voltage :
- 5V
- Voltage - Supply :
- 4.75V~5.25V
- Number of Pins :
- 16
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Mount :
- Surface Mount
- Power Supplies :
- 5V
- Weight :
- 141.690917mg
- Quiescent Current :
- 4.7mA
- Terminal Position :
- Dual
- Load Capacitance :
- 15pF
- Package / Case :
- 16-SOIC (0.154, 3.90mm Width)
- RoHS Status :
- ROHS3 Compliant
- Output Type :
- TTL
- Number of Bits :
- 2
- Factory Lead Time :
- 6 Weeks
- Output Current :
- 8mA
- Number of Data/Clock Inputs :
- 2
- Schmitt Trigger Input :
- No
- Number of Functions :
- 2
- Height :
- 1.75mm
- Series :
- 74LS
- Datasheets
- SN74LS221DR

Multivibrators Texas Instruments SN74LS221DR Overview
This IC Multivibrator, the SN74LS221DR manufactured by Texas Instruments, is a versatile component designed for various timing and signal generation applications. With a fast response time of 45 nanoseconds, it offers precise control over timing parameters, making it suitable for demanding industrial and electronic systems.
Featuring a robust construction and reliable performance, the SN74LS221DR is ideal for integration into electronic circuits where accurate pulse generation and timing are essential. Its compact 16SOIC package ensures easy installation and compatibility with standard PCB layouts.
SN74LS221DR Features
- High-speed operation: With a propagation delay of only 45 nanoseconds, this multivibrator ensures rapid signal processing.
- Versatile functionality: The SN74LS221DR can be configured as either a monostable or astable multivibrator, offering flexibility in various circuit designs.
- Wide operating voltage range: It operates reliably within a voltage range of 4.75V to 5.25V, making it compatible with diverse power supply systems.
- Stable performance: Built with high-quality components, this IC delivers consistent performance across different operating conditions.
- Industry-standard package: The 16SOIC package allows for easy integration into existing circuit designs and facilitates mass production.
SN74LS221DR Applications
- Timing circuits: The SN74LS221DR is commonly used in timing circuits for controlling the precise timing of events in electronic systems, such as clock synchronization and pulse-width modulation.
- Pulse generation: It finds applications in pulse generators for generating precise pulses required in digital communication systems, instrumentation, and test equipment.
- Waveform shaping: This multivibrator is employed in waveform shaping circuits to produce various waveforms needed in audio amplifiers, function generators, and waveform synthesizers.
- Control systems: In control systems, the SN74LS221DR is utilized for generating timing signals and controlling the sequence of operations in industrial automation, robotics, and motor control applications.
- Signal processing: It plays a crucial role in signal processing applications such as frequency dividers, frequency synthesizers, and phase-locked loops.
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