Manufacturer Part Number
SN74121DR
Manufacturer
Texas Instruments
Introduction
The SN74121DR is a monostable multivibrator from Texas Instruments, designed for generating precise time delays and pulse shaping in digital circuitry.
Product Features and Performance
Logic Multivibrator
Monostable logic type
Two independent circuits
Propagation delay of 45 ns
Current output high at 400µA, low at 16mA
14-SOIC package for surface mounting
Product Advantages
Precision timing control
Adequate output drive capabilities
Compatible with other 7400 series logic devices
Key Technical Parameters
Supply Voltage Range: 4.75 V to 5.25 V
Operating Temperature Range: 0°C to 70°C
Output Current High: 400µA
Output Current Low: 16mA
Propagation Delay: 45 ns
Mounting Type: Surface Mount
Quality and Safety Features
Built-in temperature range for reliable operation
Constructed following industry-standard quality specifications
Compatibility
Compatible with 7400 series logic family
Application Areas
Digital circuits requiring precise timing
Pulse generation and shaping applications
Product Lifecycle
Obsolete status
Potential necessity to consider replacement or upgrade solutions
Several Key Reasons to Choose This Product
Precision timing for critical digital applications
Reliable performance through specified temperature range
Direct compatibility with other 7400 series logic components
Availability of precise technical parameters for design considerations
Adequate drive capabilities for connected circuitry
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