NE555PW

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IC OSC SGL TIMER 100KHZ 8TSSOP

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Especificações

Atributo Valor
Supplier Rochester Electronics, LLC,Texas Instruments
Package Bulk,Tube
ProductStatus Active
Type 555 Type, Timer/Oscillator (Single)
Frequency 100kHz
Voltage-Supply 4.5V ~ 16V
Current-Supply 10 mA
OperatingTemperature 0°C ~ 70°C
Package/Case 8-TSSOP (0.173, 4.40mm Width)
SupplierDevicePackage 8-TSSOP

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Description

The NE555PW is a highly versatile timer integrated circuit (IC), widely used in various electronic projects and applications. It operates in three main modes: monostable, astable, and bistable, allowing it to function as a timer, pulse generator, or flip-flop, respectively.
In monostable mode, the NE555PW generates a single pulse of a specified duration, which is useful for timers and delay circuits. In astable mode, it produces a continuous square wave output, making it ideal for oscillators and clock pulse generators. Bistable mode allows it to toggle its output state between high and low, functioning as a basic flip-flop.
Housed in a small outline package (TSSOP-8), the NE555PW is suitable for surface-mount applications. It operates with a supply voltage range of 4.5V to 16V, making it compatible with various logic levels. The IC is known for its reliability, ease of use, and low cost, making it a staple component in hobbyist and professional circuits alike.

Equivalent

The NE555PW is a variant of the classic 555 timer IC in a TSSOP package. Equivalent products include the LM555, SE555, NE555N, and TLC555, which serve similar functions as timers, oscillators, and flip-flops but may differ in package type and some electrical characteristics. Always check the datasheets to ensure compatibility with your specific application requirements.

Features

The NE555PW is a precision timer IC widely used for generating accurate time delays or oscillation. Key features include:
1. Timing Range: It can produce delays or frequencies from microseconds to hours, depending on the external resistor and capacitor configuration.
2. Supply Voltage: Operates from a wide supply voltage range of 4.5V to 16V.
3. Output Current: Can source or sink up to 200mA, making it suitable for driving loads directly.
4. Adjustable Duty Cycle: Allows for the customization of the duty cycle in astable mode.
5. Temperature Stability: Offers good stability over a wide temperature range, ensuring reliable operation.
6. Threshold and Trigger Levels: Defined around 2/3 and 1/3 of the supply voltage, allowing for predictable performance.
7. Low Power Consumption: Suitable for battery-powered applications.
8. Package: Available in a TSSOP-8 package for surface mount applications, providing space efficiency.
9. Applications: Widely applied in timers, pulse generation, time delays, and oscillator circuits.
These features make the NE555PW versatile and reliable for various applications in electronics.

Pinout

The NE555PW is a variant of the popular 555 timer IC, housed in a TSSOP package. It has 8 pins. Here are the pin functions:
1. Ground (GND): Common ground, connected to the negative supply voltage.
2. Trigger (TRIG): Input for triggering the timer to start the timing interval; activated by a voltage level below 1/3 of VCC.
3. Output (OUT): Output pin, which can sink or source current; the state of this pin changes according to the function mode.
4. Reset (RESET): Active-low input to reset the timer; overriding all functions when connected to ground.
5. Control Voltage (CV): Adjusts the threshold and trigger levels; typically connected to a capacitor for standard operation.
6. Threshold (THRESH): Compares voltage to 2/3 of VCC; when exceeded, resets the flip-flop, changing the output.
7. Discharge (DISCH): Connected to the timing capacitor; used to discharge it in astable or monostable modes.
8. VCC: Positive supply voltage pin, typically requiring 4.5 to 15 V.
The NE555PW can function in astable, monostable, or bistable modes, commonly used for timing, pulse generation, and oscillator applications.

Manufacturer

The NE555PW is manufactured by Texas Instruments. Texas Instruments (TI) is an American technology company that designs and manufactures semiconductors and various integrated circuits, which are used in a wide array of electronic applications across industries. TI is known for its analog chips and embedded processors, which are integral in facilitating efficient power management, signal processing, and more in electronic devices. The company is a major player in the semiconductor industry and is recognized for its innovation and contributions to technology development.

Application

The NE555PW is a versatile timer IC used in various applications. It is commonly employed in pulse generation, such as creating precise time delays and oscillations. The IC is used in clock pulse generators for digital circuits, PWM (pulse-width modulation) for controlling motors or LED brightness, and as a timer in devices requiring accurate timing intervals. Additionally, it's utilized in frequency division and tone generation in audio applications. The NE555PW can also function as a flip-flop or Schmitt trigger, making it suitable for debouncing switches or producing square wave signals. Its reliability and simplicity make it popular in DIY electronics and educational projects.

Package

The NE555PW is in a TSSOP (Thin Shrink Small Outline Package) form. This package type is designed to be compact, making it suitable for applications where space is limited, while still maintaining the functionality of the standard NE555 timer IC.

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