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Name: NE555PSR
Brand: Texas Instruments
SKU: NE555PSR
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Texas Instruments NE555PSR

Part No.:: NE555PSR

Manufacturer:: Texas Instruments

Package:: 8-SOIC (0.209, 5.30mm Width)

Datasheet:: NE555PSR.pdf

Description:: IC OSC SINGLE TIMER 100KHZ 8SO

In Stock:: 3722

Quantity:: Add To Cart

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NE555PSR Specifications

Package/Case:
8-SOIC (0.209, 5.30mm Width)
Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®,Bulk
Series:
-
ProductStatus:
Active
Type:
555 Type, Timer/Oscillator (Single)
Count:
-
Frequency:
100kHz
Voltage-Supply:
4.5V ~ 16V
Current-Supply:
10 mA
OperatingTemperature:
0°C ~ 70°C

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NE555PSR information

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NE555PSR Typical application Circuitry

NE555PSR

The NE555PSR is a variant of the venerable NE555 timer IC, a device renowned for its versatility in creating timing circuits and pulse generation. It's utilized in an array of applications such as delay timers, pulse generators, oscillators, and PWM (Pulse Width Modulation) controllers, making it a staple in both hobbyist and professional electronics projects.

Characteristic parameters of the NE555 family generally include:

- Voltage Range: Operates optimally between 4.5V and 15V.

- Output Drive Capability: Up to 200 mA can be sinking or source.

- Timing Duration: Capable of generating time delays ranging from microseconds to hours.

- Temperature Resilience: Maintains consistent performance across a spectrum of temperatures.

For demonstration, let's design a Simple Oscillator Circuit using the NE555PSR.

Detailed Circuit Configuration:

- Pin 1 (Ground): Connect this pin directly to the ground.

- Pin 2 (Trigger): Connected to the point where capacitor C1 and resistor R1 meet.

- Pin 3 (Output): This pin provides the oscillating signal.

- Pin 4 (Reset): To turn off the reset feature, connect this pin to Vcc.

- Pin 5 (Control Voltage): Typically left open or connected to a noise suppression capacitor.

- Pin 6 (Threshold): Tied to the junction between R1 and C1, mirroring the Trigger connection.

- Pin 7 (Discharge): Connected to the other side of R1, facilitating the discharge of C1.

- Pin 8 (Vcc): Connect this pin to the positive terminal of your power supply.

Timing Component Selection:

- R1 (Resistor): Influences the charge and discharge rate of C1, impacting the oscillation frequency.

- C1 (Capacitor): Charges and discharges through R1, setting the time constant for the oscillator.

Oscillation Frequency Calculation:

The oscillation frequency (f) can be determined using f ≈ 1.44 / ((2*R1)*C1), offering a straightforward method to set the desired frequency.

Circuit Design Considerations:

1. Voltage Compliance: Make sure the power supply is within the NE555PSR's operating range.

2. Thermal Management: If a high current is expected through the output, consider a heatsink.

3. Supply Stability: Place a decoupling capacitor near the Vcc and GND pins to ensure a stable power supply.

4. Frequency Accuracy: Select R1 and C1 with precision for the required oscillation frequency.

5. Load Requirements: Ascertain that the output signal matches the load's specifications.

In applications where generating a stable square wave is imperative, such as in clock pulses for digital circuits or driving stepper motors, the NE555PSR can be configured effectively as an oscillator. The frequency of oscillation can be fine-tuned by selecting appropriate values for R1 and C1, allowing the circuit to meet the specific needs of the application at hand.

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6. What is the process for return or replacement of NE555PSR?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the NE555PSR we delivered, we will accept the replacement or return of the NE555PSR only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of NE555PSR.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations