The LM556 is a dual monolithic timing circuit with high accuracy, low temperature drift, frequency adjustable, high load driving capacity, widely used in clock circuits, pulse generator circuits, frequency generator circuits, touch tone encoder circuits, etc.
The LM556/NE556 dual timer replaces two LM555/NE556 units and operates in both astable and monostable modes. It offers high output current capability, adjustable duty cycle, and temperature stability, making it suitable for precision timing, pulse shaping, PWM, and traffic‑light control.
Key specifications include a supply voltage range of 4.5 V–16 V, sink/source capability of 200 mA, typical supply current of 5 mA–12 mA, and an operating temperature range of –40 °C to +70 °C. The device is offered in 14‑DIP and 14‑SOP packages.
| Supply Voltage | 4.5 V – 16 V |
|---|---|
| Maximum Output Current | 200 mA (sink or source) |
| Operating Temperature Range | -40 °C to +70 °C |
| Package Types | 14‑DIP, 14‑SOP |
The output structures can sink or source up to 200 mA.
It operates from –40 °C up to +70 °C.
The device is offered in 14‑DIP and 14‑SOP packages.
It supports supply voltages from 4.5 V to 16 V.