Pinagem

Pinagem Timer 555 (DIP-8)

Pinos

1: GND
2: TRIG (trigger)
3: OUT (output)
4: RESET (active low)
5: CTRL (control voltage)
6: THR (threshold)
7: DISCH (discharge)
8: VCC

Especificações

Tensão de alimentação	NE555: 4.5–16 V; CMOS TLC555: 2–15 V; ICM7555: 2–18 V
Supply current (no load)	NE555: ≈ 3 mA typ at 5 V, ≈ 10 mA at 15 V; CMOS versions: well under 1 mA
Output current	NE555: up to 200 mA sink or source
Trigger / threshold levels	Trigger at 1/3 VCC, threshold at 2/3 VCC
Monostable pulse	t = 1.1 × R × C
Astable frequency	f = 1.44 / ((R1 + 2·R2) × C)
Output rise/fall time	≈ 100 ns typ (NE555)
Operating temperature	NE555: 0–70 °C; SE555: −55–125 °C
Encapsulamento	DIP-8, SOIC-8

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