Manufacturer Part Number
SN74LS123DR
Manufacturer
Texas Instruments
Introduction
The SN74LS123DR is a dual retriggerable monostable multivibrator from Texas Instruments' 74LS series designed for various logic applications.
Product Features and Performance
Retriggerable functionality for extended output pulses
Dual independent circuits allowing for simultaneous operations
Fast propagation delay of 28 ns ideal for high-speed applications
Output current capability of 400µA high, 8mA low for adequate drive strength
Standard supply voltage range of 4.75 V to 5.25 V, compatible with TTL power levels
Operational temperature range from 0°C to 70°C for general-purpose uses
16-SOIC package for surface mount technology applications
Logic type is monostable, providing a stable state until triggered
Product Advantages
High-speed performance makes it suitable for fast logic systems
Dual circuit integration allows for more compact circuit designs
Recurring triggering feature provides flexibility in timing designs
Wide operational temperature range ensures reliability across various conditions
Industry-standard footprint and supply voltage for easy integration
Key Technical Parameters
Logic Type: Monostable
Independent Circuits: 2
Propagation Delay: 28 ns
Current Output High, Low: 400µA, 8mA
Voltage Supply: 4.75 V ~ 5.25 V
Operating Temperature: 0°C ~ 70°C
Mounting Type: Surface Mount
Quality and Safety Features
Compliance with industry-standard safety and quality norms
Thoroughly tested for performance under specified temperature and voltage conditions
Compatibility
Compatible with TTL logic levels
16-SOIC footprint for use with standard SMT processes
Application Areas
Industrial timers
Pulse generation circuits
Sequential logic systems
Digital signal processing
Product Lifecycle
Status: Active
Not currently nearing discontinuation
Replacements or upgrades typically available within the 74LS product family
Several Key Reasons to Choose This Product
Manufactured by Texas Instruments, a reputable leader in semiconductor solutions
Fast response time advantageous for high-speed logic circuits
Retriggerable monostable operation allows for versatile timing applications
Robust output drive current capability suitable for a range of loads
Convenient use in standard SMT production with 16-SOIC package size
Proven reliability in a broad spectrum of operating conditions
Active product status ensures ongoing manufacturer support and product availability