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NE555 Timer
NE555
Texas Instrumentsic logic timer
The NE555 is a versatile precision timer IC capable of producing accurate time delays or oscillations. It supports monostable and astable modes, adjustable duty cycles, and TTL-compatible outputs.
In stock
Specifications
8- Operating Voltage
- 4.5 V
- Operating Voltage
- 16 V
- Output Current Sink Source
- 200 mA
- Temperature Range
- 0 °C
- Temperature Range
- 70 °C
- Interface
- TTL-compatible output
- Timing Range
- microseconds to hours
- Frequency Range
- < 1mHz to 100kHz
Pinout
8| Pin | Name | Functions | Notes |
|---|---|---|---|
| 1 | GND | GND | Ground |
| 2 | TRIG | GPIO | Start of timing input |
| 3 | OUT | GPIO | High current timer output signal |
| 4 | RESET | GPIO | Active low reset input |
| 8 | VCC | POWER | Input supply voltage |
| 7 | DISCH | GPIO | Open collector output to discharge timing capacitor |
| 6 | THRES | GPIO | End of timing input |
| 5 | CONT | GPIO | Controls comparator thresholds |
Interactive pinout
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NE555
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