HCS200-I-SN Electronic IC Chips KEELOQ Code Hopping Encoder digital integrated circuits

HCS200-I-SN
KEELOQ Code Hopping Encoder
 

FEATURES

Security

• Programmable 28-bit serial number
• Programmable 64-bit crypt key
• Each transmission is unique
• 66-bit transmission code length
• 32-bit hopping code

• 28-bit serial number, 4-bit button
status, low battery indicator transmitted

• Crypt keys are read protected

Operating

• 3.5–13.0V operation
• Three button inputs - seven functions available
• Selectable baud rate
• Automatic code word completion
• Low battery signal transmitted to receiver
• Non-volatile synchronization data

Other

• Easy to use programming interface
• On-chip EEPROM
• On-chip oscillator and timing components
• Button inputs have internal pull-down resistors
• Low external component cost

Typical Applications

The HCS200 is ideal for Remote
Keyless Entry (RKE) applications.
​These applications include:
• Fixed code replacement
• Automotive RKE systems
• Automotive alarm systems
• Automotive immobilizers
• Gate and garage door openers
• Identity tokens
• Burglar alarm systems

Absolute Maximum Ratings

VDD Supply voltage ............................................................................................................-0.3 to 13.3V
VIN Input voltage .................................................................................................................. -0.3 to 13.3

VOUT Output voltage ................................................................................................ -0.3 to VDD + 0.3V

IOUT Max output current ................................................................................................................25 mA
TSTG Storage temperature (Note) .....................................................................................-55 to +125°C
TLSOL Lead soldering temp (Note).................................................................................................300°C
VESD ESD rating ............................................................................................................................4000V

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