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NE555P3
+BOMREFRESH TIMER, CMOS
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제조업체텍사스 인스트루먼트(주)
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제조업체 부품 #NE555P3
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데이터시트 NE555P3 DataSheet
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재고6841
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사양
| 속성 | 가치 |
| Supplier | Rochester Electronics, LLC |
| Package | Bulk |
| ProductStatus | Active |
개요
Description
The 555 timer IC, including the NE555P3, functions in one of three modes: astable, monostable, or bistable. In the astable mode, it generates continuous square wave signals, making it suitable for applications like oscillators or pulse-width modulation. In monostable mode, it acts as a one-shot timer, providing a time delay, useful in timer and delay circuits. Bistable mode allows it to function as a flip-flop, used in simple memory or toggle switch applications.
The NE555P3 is typically available in a dual in-line package (DIP) or surface-mount form. With a wide range of voltage and temperature ratings, it is a robust choice for hobbyists and professionals in various electronic projects. Always consult the specific datasheet for detailed characteristics and specifications.
Equivalent
Features
1. Wide Supply Voltage Range: Operates from 4.5V to 16V, making it suitable for both low and high voltage applications.
2. Timing Precision: Offers timing accuracy, with minimal error due to its design, often less than 1% drift over a wide temperature range.
3. Astable and Monostable Modes: Can function in both modes, enabling use in oscillators, pulse generation, and delay timers.
4. Output Compatibility: Provides a 200mA output current, capable of driving TTL loads directly.
5. Temperature Stability: Performs reliably across a wide temperature range, typically from 0°C to 70°C for commercial-grade devices.
6. Adjustable Duty Cycle: Allows adjustable duty cycle in astable mode, useful for PWM applications.
7. Low Power Consumption: Consumes less power than many comparable devices, improving efficiency in battery-powered applications.
These features make the NE555P3 a versatile choice for timing, pulse generation, and oscillator applications in various electronic projects.
Pinout
1. Ground (GND): Connects to the ground reference voltage.
2. Trigger (TRIG): Input that starts the timing interval. A low voltage (below 1/3 of VCC) triggers the timer.
3. Output (OUT): The output pin delivers the timing pulses. It switches between high and low states.
4. Reset (RESET): Active low input that resets the timer when connected to ground. When not in use, it should be connected to VCC to avoid false resets.
5. Control Voltage (CTRL): Allows external adjustment of the threshold voltage. If not used, it should be connected to ground through a 0.01µF capacitor.
6. Threshold (THRESH): Monitors the voltage across the timing capacitor and ends the timing interval when the voltage exceeds 2/3 of VCC.
7. Discharge (DISCH): Discharges the timing capacitor to ground when the output is low.
8. Supply Voltage (VCC): The power supply voltage for the IC, typically between 4.5V and 15V.
The NE555 can be used in various applications, including monostable and astable multivibrator circuits.
Manufacturer
Application
1. Monostable Operation: Generates single pulses for timing applications.
2. Astable Operation: Functions as an oscillator for generating clock pulses in circuits.
3. Pulse Width Modulation (PWM): Used for controlling power to devices like motors and LEDs.
4. Frequency Divider: Can divide frequency for creating time delays.
5. Tone Generation: Produces audio tones in sound applications.
6. Sequential Timing: Generates timed sequences in digital circuits.
7. LED Flasher: Creates blinking patterns for LEDs.
Overall, the NE555P3 is versatile in creating precise timing and waveform generation in electronics.