पिनआउट
555 टाइमर (DIP-8) पिनआउट
पिन
- 1: GND
- 2: TRIG (trigger)
- 3: OUT (output)
- 4: RESET (active low)
- 5: CTRL (control voltage)
- 6: THR (threshold)
- 7: DISCH (discharge)
- 8: VCC
विनिर्देश
| सप्लाई वोल्टेज | 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 |
| पैकेज | DIP-8, SOIC-8 |
