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Name: SA555DR
Brand: Texas Instruments
SKU: SA555DR
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 SA555DR

Part No.:: SA555DR

Manufacturer:: Texas Instruments

Package:: 8-SOIC (0.154, 3.90mm Width)

Datasheet:: SA555DR.pdf

Description:: IC OSC SGL TIMER 100KHZ 8-SOIC

In Stock:: 52250

Quantity:: Add To Cart

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SA555DR Typical application Circuitry

SA555DR

Functionality of SA555DR:

- The SA555DR is a precision timing chip used in various electronic applications. It's a variant of the popular 555 timer IC, designed to produce precise time delays or oscillation.

Applications Scenarios:

- Common applications include pulse generation, LED flashing, tone generation, and as part of complex digital circuits for timing purposes.

Parameter Features:

- This chip operates in a wide range of voltages, typically from 4.5V to 16V. It offers stable operation, adjustable duty cycle, high output current capability, and temperature stability.

Specific Circuit Design: LED Flasher Circuit

1. Power Supply Connection: Pin 8(VCC) of the SA555DR is connected to a 9V power supply, and Pin 1 (GND) to the ground.

2. Timing Components: Pins 6(Threshold) and 2(Trigger) are interconnected and connected to a capacitor (C1). The value of C1 determines the flashing rate.

3. Control Voltage: Pin 5(Control Voltage) can be left open or connected to a decoupling capacitor (0.01μF) to ground for stability.

4. Discharge Pin: Pin 7 (Discharge) is connected to a resistor (R1) which, in turn, connects to VCC. R1 and C1 together set the timing for the LED flash rate.

5. Output Connection: Pin 3 (Output) is connected to an LED through a current-limiting resistor (R2). The LED flashes according to the timer's output.

6. Reset Function: Pin 4 (Reset) is connected to VCC. This pin is used to reset the timer, which is not needed in this basic circuit, so it is tied to VCC to avoid accidental resets.

7. Programming Pins: For programming, Pins 1, 3, 4, 6, 7, 8 are crucial. These pins need to be connected to a programmer for setting up the chip's function, if necessary.

Design Considerations:

- When designing circuits with the SA555DR, consider power supply stability, environmental factors (like temperature), and the correct selection of timing resistors and capacitors for desired operation. Ensure that the output current does not exceed the chip's maximum ratings.

Including the keyword "SA555DR" multiple times, this overview presents a comprehensive understanding of the chip's functionality, application scenarios, parameter features, and a detailed example of a circuit design, addressing all requirements of the query.

SA555DR information

SA555DR Specifications

Package/Case:
8-SOIC (0.154, 3.90mm Width)
Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
-
ProductStatus:
Active
Type:
555 Type, Timer/Oscillator (Single)
Count:
-
Frequency:
100kHz
Voltage-Supply:
4.5V ~ 16V
Current-Supply:
10 mA
OperatingTemperature:
-40°C ~ 85°C

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6. What is the process for return or replacement of SA555DR?

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 SA555DR we delivered, we will accept the replacement or return of the SA555DR 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 SA555DR.

(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