74LS122 DIP Retriggerable Monostable Multivibrator with Clear IC (14-Pin TTL Timing IC)
The 74LS122 DIP Retriggerable Monostable Multivibrator with Clear IC is a high-speed TTL timing integrated circuit designed to generate a single output pulse of a predetermined duration when triggered. Housed in a 14-pin Dual Inline Package (DIP) and built using Low Power Schottky (LS) TTL technology, it offers high-speed operation with low power consumption.
The retriggerable design allows the output pulse to be extended whenever a new trigger is received before the current timing cycle ends. An internal timing resistor simplifies circuit design by requiring only an external timing capacitor for many applications. The IC also includes positive and negative edge trigger inputs and an asynchronous clear input, making it suitable for pulse generation, timing circuits, delay circuits, pulse stretching, and industrial control systems.
Key Features -
• Retriggerable monostable multivibrator
• Internal timing resistor for simplified design
• Asynchronous clear input for immediate pulse termination
• Positive and negative edge trigger capability
• Adjustable output pulse width using external RC components
• Low Power Schottky (LS) technology
• High-speed timing performance
• 14-pin DIP package
• TTL compatible logic levels
• Suitable for timing and pulse generation applications
Specifications -
• Product type - TTL Timing IC
• IC model - 74LS122
• Logic function - Retriggerable Monostable Multivibrator with Clear
• Logic family - 74LS TTL
• Package type - DIP-14
• Supply voltage - 4.75V to 5.25V DC
• Minimum input pulse width - 40ns
• Maximum output duty cycle - 0.9
• High-level output current - -0.4mA
• Low-level output current - 8mA
• Timing control - External Capacitor with Internal Timing Resistor
• Mounting type - Through Hole (THT)
• Operating temperature - 0C to 70C
Applications -
• Pulse generation circuits
• Pulse stretching circuits
• Time delay circuits
• One-shot timer applications
• Digital timing systems
• Embedded systems
• Industrial automation systems
• Trigger conditioning circuits
• Prototype PCB development
• DIY electronics projects