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Timers and Support Products TIMER
Timers and Support Products TIMER
ic
LM555 is a timer IC that can operate in monostable and astable modes, generating accurate time delays or oscillations with external resistors and capacitors.
In stock
Specifications
4- Operating Voltage
- 4.5V to 16V
- Supply Current
- 3mA to 15mA (@ VCC = 5V, RL = ∞)
- Temperature Range
- -65°C to 70°C
- Package
- 8-pin PDIP, SOIC, VSSOP
Pinout
8| Pin | Name | Functions | Notes |
|---|---|---|---|
| 1 | V+ | POWER | Supply voltage |
| 2 | Trigger | GPIO | Resets the timer on falling edge |
| 3 | Output | GPIO | Driven waveform |
| 4 | Reset | GPIO | Negative pulse resets the timer, normally connected to VCC |
| 5 | Control Voltage | GPIO | Controls threshold and trigger levels |
| 6 | Threshold | GPIO | Compares voltage with 2/3 Vcc, determines set state of flip-flop |
| 7 | Discharge | GPIO | Open collector output that discharges the capacitor between intervals |
| 8 | GND | GND | Ground reference voltage |
Interactive pinout
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Timers and Support Products TIMER
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