LM556CN
- Mfr.Part #
- LM556CN
- Manufacturer
- onsemi
- Package / Case
- 14-DIP (0.300, 7.62mm)
- Datasheet
- Download
- Description
- IC OSC TIMER DUAL 14-DIP
- Stock
- 11,988
- In Stock :
- 11,988
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- Manufacturer :
- onsemi
- Product Category :
- Programmable Timers and Oscillators
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Base Part Number :
- LM556
- Current - Supply :
- 30mA
- Published :
- 2001
- Package / Case :
- 14-DIP (0.300, 7.62mm)
- Packaging :
- Tube
- Operating Temperature :
- 0°C~70°C
- Supplier Device Package :
- 14-DIP
- Mounting Type :
- Through Hole
- Type :
- 555 Type, Timer/Oscillator (Dual)
- Voltage - Supply :
- 4.5V~16V
- Datasheets
- LM556CN

Programmable Timers and Oscillators onsemi LM556CN Overview
The Programmable Timers and Oscillators onsemi LM556CN is a highly versatile dual timing circuit designed to offer precision timing solutions, suitable for a wide range of electronic applications. This integrated circuit (IC) from onsemi features two complete 555 timers in a single package, allowing for a more compact and efficient design in circuit development. Its robust design ensures reliability and performance, ideal for developers seeking a dependable solution for complex timing requirements. The LM556CN is adept at handling sequential timing, which is critical for applications requiring precise time delay or pulse generation. Its dual-timer functionality makes it an excellent choice for creating highly customizable and space-efficient designs in both commercial and industrial settings.
LM556CN Features
The LM556CN timer IC boasts a variety of features that make it a standout choice for electronic applications requiring a dual timer. Key features include a wide operating voltage range of 4.5V to 16V and a high output current capability, which can source or sink up to 200 mA. This IC also offers adjustable duty cycles, providing designers with the flexibility to manage power consumption and signal frequency effectively. Additionally, the LM556CN's timing from microseconds to hours allows for its use in a broad array of applications, from simple to complex timing configurations.
LM556CN Applications
- Precision Timing Devices: Utilized in devices where accurate time delays or oscillation is needed, such as in digital clocks, watches, and timers.
- Pulse Generation: Critical for applications requiring pulse generation for tasks such as waveform generation, which is common in communication equipment.
- Sequential Timing: The dual timer facilitates sequential timing necessary for operations in automated systems, ensuring tasks are performed in the correct order and timing.
- Blinking Lights and Sound Effects: Ideal for use in applications that require control over blinking lights and sound effects, like alarm systems or toy electronics.
- Industrial Controls: Applies to the regulation and management of machinery in an industrial setting, where precise timing can optimize operational efficiency and safety.
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