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NA555P
+物料清單IC OSC SINGLE TIMER 100KHZ 8-DIP
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製造商德州儀器
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製造商部分 #NA555P
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數據表 NA555P DataSheet
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規格
| 屬性 | 價值 |
| Supplier | Texas Instruments |
| Package | Tube |
| ProductStatus | Active |
| Type | 555 Type, Timer/Oscillator (Single) |
| Frequency | 100kHz |
| Voltage-Supply | 4.5V ~ 16V |
| Current-Supply | 10 mA |
| OperatingTemperature | -40°C ~ 105°C |
| Package/Case | 8-DIP (0.300, 7.62mm) |
| SupplierDevicePackage | 8-PDIP |
概述
Description
This IC operates in three modes: monostable, astable, and bistable. In monostable mode, it functions as a one-shot timer, generating a single output pulse when triggered. In astable mode, it acts as an oscillator, producing a continuous square wave output. The bistable mode allows it to work as a flip-flop, toggling its output state based on input triggers.
The NA555P features a wide operating voltage range, low power consumption, and strong drive capabilities, making it suitable for various applications like pulse generation, LED flashers, tone generation, and more. Its reliability and versatility have made it a staple in both educational and professional electronic projects.
Equivalent
Features
Key features of the NA555P include:
1. Wide Supply Voltage Range: Operates from 4.5V to 16V, making it suitable for various applications.
2. Timing from Microseconds to Hours: Allows for flexible timing applications with adjustable resistors and capacitors.
3. High Output Current: Capable of sourcing or sinking up to 200mA, suitable for driving loads directly.
4. Temperature Stability: Offers good performance across different temperatures, improving reliability.
5. Low Power Consumption: Efficient operation enhances battery life in portable devices.
6. Adjustable Duty Cycle: Allows for customization in pulse width modulation applications.
7. Ease of Use: With few external components required, it simplifies design and reduces costs.
These features make the NA555P a versatile and reliable choice for timing and oscillator applications.
Pinout
1. GND (Pin 1): Ground reference voltage, connected to the 0V supply.
2. Trigger (Pin 2): Responsible for triggering the timer to start the timing interval when the voltage drops below 1/3 of the supply voltage.
3. Output (Pin 3): Outputs the result of the timer, either high or low, depending on the mode of operation.
4. Reset (Pin 4): Resets the timer when the voltage is below a certain threshold; active low, so connecting it to ground resets the timer.
5. Control Voltage (Pin 5): Allows overriding the internal reference voltage (2/3 of the supply voltage) for more precise control over the timing interval.
6. Threshold (Pin 6): Compares the voltage level with a 2/3 supply voltage and helps in determining the end of the timing interval.
7. Discharge (Pin 7): Discharges the timing capacitor to ground when the timer is in a stable state.
8. VCC (Pin 8): Supply voltage pin, typically in the range of 4.5V to 16V.
The NA555P can operate in monostable, astable, or bistable modes for various timing applications.