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Microchip Technology HCS301TISN Code Hopping Encoder

The HCS301 from Microchip Technology is a secure code hopping encoder designed for remote keyless entry systems, such as automotive security, garage openers, and security systems. It utilizes KEELOQ technology with 66-bit transmission length, programmable factory-set keys, and 28-bit serial numbers for enhanced security and protection against code scanning. The device features simple integration with minimal external components, multiple operating modes, programmable encryption keys, and onboard EEPROM for storing system parameters. It supports multiple button inputs, automatic code completion, and high security encryption suitable for access control applications.

Authorized Distributors
Source:DigiKey
Part No:HCS301T-I/SN
Stock:0
Inv Date:06-03-2026
Price: Unit price: $1.91
Buy/RFQ:
Part No:HCS301T-I/SN
Stock:223
Inv Date:06-04-2026
Price: Unit price: $1.73
Buy/RFQ:
Part No:HCS301T-I/SN
Stock:0
Inv Date:06-03-2026
Price: Unit price: $1.95
Buy/RFQ:
Part No:HCS301T-I/SN
Stock:0
Inv Date:06-03-2026
Price: Unit price: $1.67
Buy/RFQ:

Microchip Technology HCS301TISN Code Hopping Encoder Specifications:

  • Operating Voltage Range: +3.5V to 13.0V
  • Package Types: PDIP, SOIC
  • EEPROM Memory: 192 bits (12 x 16-bit words)
  • Serial Number: 28-bit unique identifier
  • Encryption Key: 64-bit programmable
  • Synchronization Counter: 16-bit incrementing value
  • Code Word Length: 66 bits (encrypted and fixed data)
  • Button Inputs: 4 internal pull-down resistors, no additional circuitry needed
  • Transmission Code Length: 66 bits total, with 32-bit hopping code and 34-bit fixed data
  • Baud Rate Options: 100, 200, 400 us with programmable settings
  • Low Battery Indicator: Transmitted in each code to alert receiver
  • Auto-shutoff: Programmable timer (~25 seconds) to prevent battery drain
  • Programming Interface: Serial, automatic bulk write cycle, read protected EEPROM
  • Supports secure learning modes, flexible coding, and anti-capture features for robust security.

Buy the Buy Microchip HCS301 Part Number HCS301TISN Online

Purchase the Microchip HCS301 encoder online to ensure reliable, secure remote keyless entry for automotive, garage doors, or security systems. This device provides advanced code hopping technology, programmable encryption keys, and minimal external components, making integration straightforward. Its 66-bit transmission length and onboard EEPROM allow flexible and secure access control solutions. Ensure your system's security and convenience by ordering the HCS301 today, enjoying fast delivery, expert support, and trusted Microchip quality for your access control needs.

Order your Microchip HCS301TISN secure code hopping encoder today and enhance your remote entry systems with high-security encryption and easy installation.

Frequently Asked Questions

Where can I buy Microchip Technology HCS301TISN?

You can click on the BUY or RFQ button to purchase HCS301TISN from an authorized Microchip Technology distributor.

How do I troubleshoot issues or seek technical support for part HCS301TISN?

You can download the HCS301TISN datasheet or visit the Microchip Technology website for support.

Who is the manufacturer of HCS301TISN?

Microchip Technology

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