555/556 Timer
Through-hole 555 or 556 timer IC for monostable, astable, and bistable timing circuits. The 555 is a single-timer package; the 556 is a dual-timer in a DIP-14. Supply voltage typically 4.5–16V.
Pinout
- GND1Type · Ground
- TRIG2Type · Signal
- OUT3Type · Signal
- RESET4Type · Control
- CONT5Type · Signal
- THRES6Type · Signal
- DISCH7Type · Signal
- VCC8Type · Power
| Pin | Position | Type |
|---|---|---|
| GND | 1 | Ground |
| TRIG | 2 | Signal |
| OUT | 3 | Signal |
| RESET | 4 | Control |
| CONT | 5 | Signal |
| THRES | 6 | Signal |
| DISCH | 7 | Signal |
| VCC | 8 | Power |
Pin details
8 connections- GND1Ground
- TRIG2Signal
- OUT3Signal
- RESET4Control
- CONT5Signal
- THRES6Signal
- DISCH7Signal
- VCC8Power
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