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HCS300 Datasheet PDF

Part Series:HCS300 Series
Category:Semiconductors & Actives
Description:HCS300 Series 2 - 6.3V SMT KEELOQ Code Hopping Encoder IC - SOIC-8N
Document:HCS300-I/SN Datasheet PDF (98 Pages)

HCS300 Semiconductors & Actives Datasheet PDF

HCS300 Datasheet PDF Semiconductors & Actives

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HCS300-I/SN - Microchip Specifications

TYPE
DESCRIPTION
Mounting Style
Surface Mount
Number of Pins
8 Pin
Supply Voltage (DC)
2.00V (min)
Case/Package
SOIC-8
Supply Current
1 mA
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HCS300-I/SN - Microchip Function Overview

The HCS300-I/SN is a Code Hopping Encoder designed for secure remote keyless entry (RKE) systems. The HCS300 utilizes patented KEELOQ® hopping technology incorporates high security to make this device a perfect solution for unidirectional remote keyless entry systems and access control systems. The HCS300 combines a 32-bit hopping code generated by a non-linear encryption algorithm with a 28-bit serial number and 6 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 HCS300 a very secure unit.
Programmable 28-bit serial number
Programmable 64-bit encryption key
Each transmission is unique
66-bit transmission code length
32-bit hopping code
28-bit Serial number, 4-bit button code, 2-bit status
Crypt keys are read protected
Four button inputs
No additional circuitry required
15 functions
Selectable baud rate
Automatic code word completion
Low battery signal transmitted to receiver
Non-volatile synchronization data
Easy-to-use programming interface
On-chip EEPROM
On-chip oscillator and timing components
Button inputs have internal pull-down resistors
Current limiting on LED output
Low external component cost
ESD sensitive device, take proper precaution while handling the device.
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