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