NE555
NE555
CI-NE555
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The integrated circuit NE555 is ideal to achieve some time base for your electronic assemblies.
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Sliding scale pricing
| Product | From (qty) | Price |
|---|---|---|
| NE555 | 10 | 0,57 € |
More info
The NE555 is an integrated circuit used for the timer or multivibrator mode.
Wiring
| # | Name | Description |
|---|---|---|
| 1 | GND | Mass |
| 2 | TRIG | Trigger, primer procrastination - detects when the voltage is less than 1/3 of VCC |
| 3 | OUT | Output signal |
| 4 | RESET | Reset the timer interrupt |
| 5 | CONT | Access to the reference internal (2/3 VCC) |
| 6 | THRES | Signals the end of the time delay when the voltage exceeds 2/3 of VCC |
| 7 | DISCH | Terminal used to discharge the capacitor of delay |
| 8 | VCC | Supply voltage, usually between 5 to 15V |
Monostable operation
t? = 1.1 x R x C
Astable operation
f = 1.44 / ((Ra + 2 Rb) x C)
? = 1 - (Rb / (Ra + 2Rb))
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