NE556Manufacturer: TI Dual timer. Supply voltage Vcc=4.5V,min; Vcc=16V,max. Supply current: Icc=5mA,typ; Icc=12mA,max (Vcc=5V); Icc=16mA,typ; Icc=30mA.max (Vcc=15V). | |||
| Partnumber | Manufacturer | Quantity | Availability |
|---|---|---|---|
| NE556 | TI | 53 | In Stock |
Description and Introduction
Dual timer. Supply voltage Vcc=4.5V,min; Vcc=16V,max. Supply current: Icc=5mA,typ; Icc=12mA,max (Vcc=5V); Icc=16mA,typ; Icc=30mA.max (Vcc=15V). The NE556 is a versatile dual timer integrated circuit (IC) widely used in electronic circuits for timing and pulse generation. Essentially, it consists of two independent 555 timers in a single package, offering enhanced functionality while conserving board space.  
This component operates in three primary modes: monostable (one-shot), astable (oscillator), and bistable (flip-flop), making it suitable for applications such as delay circuits, frequency generators, pulse-width modulation (PWM), and sequential timing. With a supply voltage range of 4.5V to 16V, the NE556 provides flexibility for various power requirements.   Key features include adjustable duty cycles, high output current capability, and temperature stability, ensuring reliable performance across different environments. Its compatibility with both TTL and CMOS logic levels further enhances its usability in mixed-signal designs.   Engineers and hobbyists favor the NE556 for its simplicity, cost-effectiveness, and robustness in generating precise timing signals. Whether used in industrial automation, consumer electronics, or educational projects, the NE556 remains a fundamental component in modern electronics.   For optimal performance, proper decoupling and layout practices should be followed to minimize noise and ensure signal integrity. Datasheets provide detailed specifications for designing accurate and efficient circuits. |
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Application Scenarios & Design Considerations
Dual timer. Supply voltage Vcc=4.5V,min; Vcc=16V,max. Supply current: Icc=5mA,typ; Icc=12mA,max (Vcc=5V); Icc=16mA,typ; Icc=30mA.max (Vcc=15V).
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