LM556 - Dual Timer

LM556 Dual Timer IC: Dual 555 Timing Controller

The LM556 Dual Timer IC is a highly stable integrated circuit. It functions as a dual 555 timer, providing two independent timing circuits. This IC generates accurate time delays or continuous oscillations. Timing for each function is set using external resistors and capacitors. It supports both astable and monostable operating modes. Outputs can sink or source up to 200mA. Both output and supply are TTL compatible. This facilitates integration into digital systems.

Specifications:

• IC Type: Dual Timer
• Equivalent: Dual 555 Timer
• Operating Modes: Astable, Monostable
• Timing Range: Microseconds to Hours
• Output Current (Sink/Source): 200mA
• Logic Compatibility: TTL
• Number of Timers: 2 (Independent)
• Trigger/Reset: Falling Waveforms

Key features and benefits:

• Integrates two independent 555 timers in one package
• Provides precise timing from microseconds up to hours
• Supports both astable and monostable operating modes
• Features adjustable duty cycle for flexible waveform generation
• Output and supply are fully TTL compatible
• Outputs capable of sinking or sourcing up to 200mA
• Each timer operates independently, sharing only VCC and ground

Applications:

• Precision timing circuits
• Accurate pulse generation
• Sequential timing applications
• Time delay generation
• Pulse Width Modulation (PWM)
• Pulse Position Modulation (PPM)

Frequently Asked Questions:

Q: What is the primary function of the LM556 IC?
A: The LM556 IC functions as a dual timer, integrating two independent 555 timing circuits within a single package for precise timing applications.

Q: What operating modes does the LM556 support?
A: The LM556 supports both astable and monostable operating modes, allowing for continuous oscillations or single time delays.

Q: What are the output current capabilities of the LM556?
A: Each output of the LM556 is capable of sinking or sourcing up to 200mA, making it suitable for driving various loads.

Package Includes:

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