What is the Additional Feature ?

Name: HCS300T-I/SN
Brand: Microchip Technology
SKU: HCS300T-I/SN
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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Microchip Technology HCS300T-I/SN

Part No.:: HCS300T-I/SN

Manufacturer:: Microchip Technology

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

Datasheet:: HCS300T-I/SN.pdf

Description:: IC CODE HOPPING ENCODER 8SOIC

In Stock:: 2034

Quantity:: Add To Cart

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HCS300T-I/SN this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including HCS300T-I/SN price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for HCS300T-I/SN to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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HCS300T-I/SN Typical application Circuitry

HCS300T-I SN

A microcontroller chip specifically built for secure remote keyless entry (RKE) systems is the HCS300T-I/SN. It features KEELOQ® code hopping technology, which provides security against code scanning and code grabbing attacks.

Functionality: The HCS300T-I/SN microcontroller is primarily used for encoding and decoding signals in RKE systems. It utilizes a programmable 32-bit serial number and a 64-bit encryption key to generate a unique 66-bit transmission code for each button press.

Applications: The HCS300T-I/SN is commonly used in automotive RKE systems, garage door openers, and other security-related remote control applications.

Parameters: The HCS300T-I/SN operates at a voltage range of 2.0V to 6.6V and has an operating temperature range of -40°C to +85°C. It communicates using a Manchester-encoded RF signal and has a typical standby current of 1µA.

Circuit Design for a Garage Door Opener:

1. Power Supply: Connect a 3V battery to the VDD (pin 8) and VSS (pin 4) of the HCS300T-I/SN for power. Use a decoupling capacitor (e.g., 100nF) between VDD and VSS to stabilize the power supply.

2. Oscillator: Connect a 10MHz crystal oscillator between OSC1 (pin 1) and OSC2 (pin 2) to provide the clock signal for the microcontroller.

3. RF Transmitter: Connect an RF transmitter module to the DATA (pin 3) output of the HCS300T-I/SN. The transmitter should be compatible with the frequency and modulation scheme used by the HCS300T-I/SN.

4. Button Inputs: Connect push buttons to the TE (pin 5) and button inputs (e.g., S0, S1, S2) to trigger the transmission of the encoded signal. Use pull-up resistors to ensure the inputs are at a high level when the buttons are not pressed.

5. Antenna: Attach an antenna to the RF transmitter module to ensure proper signal transmission.

Considerations for Circuit Design:

- Power Management: To avoid malfunctions, make sure the power supply is steady and within the HCS300T-I/SN's operational voltage range.

- Oscillator Accuracy: To provide precise timing for the code hopping process, use a high-quality crystal oscillator.

- Interference: Reduce interference from other electronic equipment by grounding and protecting your gadget appropriately.

- Antenna Design: Optimize the antenna design for the specific frequency and range requirements of the application.

- Security: Regularly update the encryption key and serial number to maintain the security of the system.

In conclusion, the HCS300T-I/SN microcontroller is a versatile chip used in various secure remote control applications. Its integration into a garage door opener circuit requires careful consideration of power supply, oscillator accuracy, interference, antenna design, and security measures to ensure reliable and secure operation.

HCS300T-I/SN information

HCS300T-I/SN Specifications

Package/Case:
8-SOIC (0.154, 3.90mm Width)
Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
KEELOQ®
ProductStatus:
Active
Type:
Code Hopping Encoder
Applications:
Remote Secure Access, Keyless Entry
MountingType:
Surface Mount

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6. What is the process for return or replacement of HCS300T-I/SN?

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 HCS300T-I/SN we delivered, we will accept the replacement or return of the HCS300T-I/SN 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 HCS300T-I/SN.

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

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(1)Inform us within 90 days

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