Microchip Technology HCS361
The HCS361 is a code hopping encoder designed for secure Remote Keyless Entry (RKE) systems. The HCS361 utilizes the KEELOQ code 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 HCS361 combines a 32-bit hopping code generated by a nonlinear encryption algorithm, with a 28/32-bit serial number and 7/3 status bits to create a 67-bit transmission stream.| Part No. | HCS361 |
|---|---|
| Datasheet | HCS361 Download |
| Manufacturer |  Microchip Technology |
| Description | KEELOQ CODE HOPPING ENCODER |
| Buy | Stock & Price |
FEATURES
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● Programmable 28/32-bit serial number Programmable 64-bit encryption key Each transmission is unique 67-bit transmission code length 32-bit hopping code 35-bit fixed code (28/32-bit serial number, 4/0-bit function code, 1-bit status, 2-bit CRC)
● Encryption keys are read protected HCS361 Code Hopping Encoder* PACKAGE TYPES PDIP, SOIC S0 S1 S2 S3 1 HCS361 2 3 4 8 7 6 5 VDD LED PWM VSS Operating
● 2.0-6.6V operation
● Four button inputs - 15 functions available
● Selectable baud rate
● Automatic code word completion
● Battery low signal transmitted to receiver
● Nonvolatile synchronization data
● PWM and VPWM modulation HCS361 BLOCK DIAGRAM Oscillator Reset circuit LED LED driver Controller Power latching and switching EEPROM Encoder Other
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● Easy to use programming interface On-chip EEPROM On-chip oscillator and timing components Button inputs have internal pulldown resistors Current limiting on LED output Minimum component count PWM 32-bit shift register VSS VDD Button input port Enhanced
FEATURES
Over HCS300●
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● 48-bit seed vs.
