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Name: CAT809STBI-GT3
Brand: Catalyst Semiconductor Inc.
SKU: CAT809STBI-GT3
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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Catalyst Semiconductor Inc. CAT809STBI-GT3

Part No.:: CAT809STBI-GT3

Manufacturer:: Catalyst Semiconductor Inc.

Package:: -

Datasheet:: CAT809STBI-GT3.pdf

Description:: CAT809 - 3-PIN MICROPROCESSOR PO

In Stock:: 3027

Quantity:: Add To Cart

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CAT809STBI-GT3 Typical application Circuitry

CAT809STBI-GT3

The CAT809STBI-GT3 is a microprocessor supervisory circuit designed to monitor the power supply voltage in digital systems. It provides a precise, programmable voltage threshold and an active-low reset output, which makes it ideal for managing microcontroller reset sequences, ensuring that the system resets cleanly when power falls below a safe level. This device is particularly useful in applications requiring reliable operation over a wide range of supply voltages and temperatures, such as consumer electronics, automotive systems, and industrial controls.

Application Scenarios:

Microcontroller System Reset: The CAT809STBI-GT3 is commonly used to monitor the power supply voltage of microcontroller-based systems, ensuring that the microcontroller restarts properly from a power-on reset or during brown-out conditions.

Portable Electronics: In battery-operated devices like smartphones, tablets, and portable medical devices, it ensures that the device resets before the power supply drops to a level where the system could become unstable or the data integrity could be compromised.

Automotive Electronics: It monitors the supply voltage in automotive control systems, providing a reset signal to the system microcontroller in the event of a voltage drop, which is critical for safety and reliability.

Parameter Features:

- Reset Threshold Voltage: The CAT809STBI-GT3 offers a precise reset threshold voltage, ensuring that the reset signal is generated only when necessary.

- Active-Low Reset Output: The reset output is active low, compatible with most microcontrollers and digital systems.

- Low Power Consumption: It is appropriate for battery-powered applications due to its low power consumption design.

- Broad Operating Temperature Range: Adaptable to a range of environmental circumstances.

Particular Circuit Link - Microcontroller Structure

- To reset the power supply, connect the CAT809STBI-GT3's VCC pin directly to the power supply of the computer. The device can precisely monitor the power supply's voltage level thanks to this connection.

- Reset Output to Microcontroller: Join the CAT809STBI-GT3's RESET pin to the microcontroller's reset input pin. This setup ensures that the microcontroller receives a reset signal when the power supply voltage falls below the threshold level.

- To ensure stable operation, place a small decoupling capacitor (e.g., 0.1 µF) next to the CAT809STBI-GT3's VCC pin. This will filter out any high-frequency noise on the power supply line.

- Ground Connection: Attach the CAT809STBI-GT3's GND pin to the system ground. Accurate voltage monitoring and reset signal production depend on this shared ground.

Design Considerations:

- Choosing the Correct Threshold Voltage: Select a CAT809STBI-GT3 variant with a threshold voltage suitable for your system's power supply specifications to ensure reliable reset behavior.

- Reset Signal Timing: Consider the timing characteristics of the reset signal, including any delay from the voltage dropping below the threshold to the reset signal being issued, ensuring it meets the system's requirements.

- Power Supply Noise: Be aware of noise on the power supply line, which could potentially cause false triggering. A well-placed decoupling capacitor can mitigate this risk.

- Reset Input Configuration: Ensure that the microcontroller's reset input is compatible with the active-low output of the CAT809STBI-GT3, including any necessary pull-up resistors.

Implementing the CAT809STBI-GT3 in a microcontroller system reset scenario exemplifies its utility in safeguarding digital systems against improper operation due to unexpected power supply fluctuations. By carefully considering reset threshold voltage, timing requirements, and potential noise issues, developers can enhance system reliability and stability.

CAT809STBI-GT3 information

CAT809STBI-GT3 Specifications

Package/Case:
-
Packaging:
Bulk
Series:
*
ProductStatus:
Active
CoreProcessor:
-
NumberofCores/BusWidth:
-
Speed:
-
Co-Processors/DSP:
-
RAMControllers:
-
GraphicsAcceleration:
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Display&InterfaceControllers:
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Ethernet:
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SATA:
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USB:
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Voltage-I/O:
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OperatingTemperature:
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SecurityFeatures:
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CAT809STBI-GT3 FAQ

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3. Are the CAT809STBI-GT3 price and inventory displayed accurate?

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6. What is the process for return or replacement of CAT809STBI-GT3?

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 CAT809STBI-GT3 we delivered, we will accept the replacement or return of the CAT809STBI-GT3 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 CAT809STBI-GT3.

(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