NE555DR SMD Timer IC SOIC-8
EGP 4
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NE555DR SMD Timer IC SOIC-8 The NE555 is one of the most popular and iconic integrated circuits ever produced. It is a highly stable controller capable of generating precise time delays or oscillations in a variety of applications. In the SOIC-8 surface-mount package, it offers the same functionality as its through-hole counterpart in a compact form factor suitable for modern PCB assembly. The timing is determined by an external resistor-capacitor (RC) network, making it incredibly flexible. It can operate in three main modes: monostable (one-shot pulse generator), a stable (free-running oscillator), and bistable (flip-flop). Known for its robustness, simplicity, and low cost, it is a fundamental building block in electronics for hobbyists and professionals alike. Features : Versatile Operating Modes (Monostable, A stable, Bistable). Adjustable Duty Cycle. High Output Current Sourcing/Sinking Capability. Stable Timing Across Temperature Variations. TTL-Compatible Output. Can Operate in Wide Supply Voltage Range. Specifications : Parameter Min Typ Max Unit Condition Supply Voltage (Vcc): 4.5 – 15 V Recommended Supply Current: – 3 6 mA Vcc=5V, No Load Output Current (Sink/Source): – – 200 mA Control Voltage: – 3.3 4 V Vcc=5V Threshold Voltage: – 3.3 4.2 V Vcc=5V Trigger Voltage: – 1.6 2.2 V Vcc=5V Timing Error (Initial): – 1 – % Vcc=15V Maximum Frequency: – >500 – kHz Pinout: Pin Name Function 1 GND Ground (0V) 2 TRIG Trigger Input (Active Low) 3 OUT Output 4 RESET Reset Input (Active Low) 5 CTRL Control Voltage (Modulates threshold) 6 THR Threshold Input 7 DIS Discharge (Open collector output) 8 VCC Positive Supply Voltage (4.5-15V) Footprint: Applications: Precision Timing and Delay Generation. Pulse Width Modulation (PWM). Tone and Signal Generation. Sequential Timing. LED Flashers and Blinkers. Switch Debouncing Circuits. Voltage-Controlled Oscillators (VCO). Educational and DIY Electronics Projects. Packages: 1x NE555 SMD Timer IC SOIC-8. Documents: Datasheet NE555DR
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