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Name: NE555PS
Brand: Texas Instruments
SKU: NE555PS
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Texas Instruments NE555PS

Part No.:: NE555PS

Manufacturer:: Texas Instruments

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

Datasheet:: NE555PS.pdf

Description:: IC OSC TIMER SINGLE 100KHZ 8SO

In Stock:: 145

Quantity:: Add To Cart

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NE555PS Typical application Circuitry

NE555PS

The NE555PS is a variant within the broad NE555 timer IC family, esteemed for its robustness and versatility in generating precise time delays or oscillation in various applications including but not limited to pulse generation, time delay circuits, and as part of more complex systems like sequencers and toggles.

Key parameters and characteristics generally include:

1. Voltage Range: Operational between 4.5V and 15V.

2. Current Delivery: Capable of sourcing or sinking up to 200 mA.

3. Timing Diversity: Facilitates timing from microseconds up to hours.

4. Thermal Consistency: Reliable across various temperature conditions.

Delving into an application, consider designing an Astable Oscillator using NE555PS:

Pin Assignment Specifics:

- Pin 1 (Ground): Establishes a common reference point by connecting to the system ground.

- Pin 2 (Trigger): Bridges to the joint between capacitor C1 and resistor R2.

- Pin 3 (Output): Emits the oscillatory signal.

- Pin 4 (Reset): Tied to the positive supply voltage (Vcc) to disable reset functionality.

- Pin 5 (Control Voltage): Typically unconnected or coupled to a decoupling capacitor.

- Pin 6 (Threshold): Links to the common point between C1 and R2, akin to the trigger.

- Pin 7 (Discharge): Forms a connection with the junction of R1 and R2.

- Pin 8 (Vcc): This pin is attached to the power supply's positive terminal.

Component Selection for Timing:

- R1 & R2 (Resistors): These dictate the charge and discharge time constants for C1, thereby influencing the oscillation frequency.

- C1 (Capacitor): Its charge-discharge cycle through R1 and R2 governs the timing of the oscillations.

Oscillation Frequency Calculation:

The frequency (f) of oscillation is derived using f ≈ 1.44 / ((R1 + 2*R2) * C1), enabling precise control over the oscillation rate.

Design Considerations:

1. Voltage Compliance: Ascertain that the power supply is congruent with NE555PS's operating range.

2. Thermal Management: Contemplate heat dissipation if the output manages high currents.

3. Voltage Stability: Position a bypass capacitor near Vcc and Ground pins to stabilize the supply.

4. Frequency Accuracy: Opt for precision components for R1, R2, and C1 to ensure desired frequency.

5. Load Suitability: Match the output characteristics with the demands of the subsequent stage.

In scenarios demanding a stable square wave, like in clock generation or as a control signal for PWM circuits, the NE555PS configured as an astable multivibrator excels. The control over frequency provided through R1, R2, and C1, along with the IC's inherent stability, makes it a go-to choice for reliable and repetitive signal generation.

NE555PS information

NE555PS Specifications

Package/Case:
8-SOIC (0.209, 5.30mm Width)
Packaging:
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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6. What is the process for return or replacement of NE555PS?

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 NE555PS we delivered, we will accept the replacement or return of the NE555PS 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 NE555PS.

(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