Download Datasheets HCS301 Device 
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Home - KEELOQ Authentication Products - Encoders - HCS301 Device, download datasheet

Download Datasheets HCS301 Device


The HCS301 is a code hopping encoder designed for secure Remote Keyless Entry (RKE) systems. The HCS301 utilizes Microchips patented KEELOQ hopping technology, which incorporates high security, a small package outline, and low cost, to make this device a perfect solution for unidirectional remote keyless entry systems and access control systems. The HCS301 combines a 32-bit hopping code generated by a non-linear encryption algorithm, with a 28-bit serial number and six status bits to create a 66-bit transmission stream. The length of the transmission eliminates the threat of code scanning and the code hopping mechanism makes each transmission unique, thus rendering code capture and re-send (code grabbing) schemes useless. The encryption key, serial number, and configuration data are stored in EEPROM, which is not accessible via any external connection. This makes the HCS301 a very secure unit. The HCS301 provides an easy-to-use serial interface for programming the necessary security keys, system parameters, and configuration data. Additional features include an LED Drive, Overflow bits, Time-out, and Battery low indicator. The HCS301 operates in a voltage range of 3.5V to 13.0V.

Datasheet and Other Documentation

Detailed Content

Lit. Number

Download

 

HCS301 Datasheet

21143b

Download HCS301 Datasheet

Status

In Production

Specification Chart

Reception Length Bits

Transmitters Supported

Operating Voltages

Functions

66

-

3.5V to 13.0V

15

Additional Features

LED Drive, Overflow bits, Time-out, Battery Low Indicator

Package Options

8 SOIC 150mil(SN), 8 PDIP(P)



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