NE555D datasheet, pdf & pinout onsemi
- Marken: onsemi
- Herunterladen: -
- Preis: Anfrage
- Auf Lager: 18,801
- Typ: 555 Typ, Timer/Oszillator (Einzeln)
- Frequenz: -
- Spannungsversorgung: 4,5 V bis 16 V
- Paket: 8-SOIC (0,154, 3,90 mm Breite)

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Funktionsweise eines 555-Timer-IC
NE555D Pinout
ne555d Picture
NE555D is a classic multi-function timer chip with single precision characteristics, widely used in a variety of electronic circuit design, such as timers, pulse generators, oscillators, etc. (In summary, it can be used in circuits related to time and generating various waveforms). Its peripheral circuit design is very simple (plus resistance capacitance can be) and very cheap, almost become the electronic engineer “universal tool”. The specific parameters are as follows: the normal operating voltage range is 4.5V to 16V; The output current can reach 200mA, which is enough to drive common loads such as leds and relays. The core function of the NE555D is to achieve precise timing or oscillation through the selection of external resistors and capacitors, with very high flexibility. NE555D is available in two packages, DIP-8 or SOIC-8, the main advantages are small size, easy to weld, and small footprint. However, because the chip is single precision, it cannot be used in circuits with high precision requirements.
Die Pinbelegungsdefinitionen sind unten aufgeführt:
Stift | Symbol | Beschreibung |
---|---|---|
1 | Masse | The negative terminal of the power supply is the ground |
2 | TRIG | Trigger input port, triggered by receiving a low-level signal |
3 | AUS | High and low-level signal output port |
4 | ZURÜCKSETZEN | Reset port, received low level valid |
5 | STRG | The high and low-level duty cycle is controlled by the external capacitor resistance |
6 | THRS | Comparator input port, used in conjunction with TRIG to select the operating state of the NE555D |
7 | DIS | Schließt den Ausgangsport, der Empfang eines hohen Pegels schließt den OUT-Port |
8 | VCC | Power input pin, directly connected to the power supply |