Microchip Technology HCS301
The HCS301 is ideal for Remote Keyless Entry (RKE) applications. These applications include: • Automotive RKE systems • Automotive alarm systems • Automotive immobilizers • Gate and garage door openers • Identity tokens • Burglar alarm systems DESCRIPTION The HCS301 from Microchip Technology Inc. The HCS301 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.| Part No. | HCS301 |
|---|---|
| Datasheet | HCS301 Download |
| Manufacturer |  Microchip Technology |
| Description | KEELOQ CODE HOPPING ENCODER |
| Buy | Stock & Price |
FEATURES
Security● Programmable 28-bit serial number
● Programmable 64-bit encryption key
● Each transmission is unique
● 66-bit transmission code length
● 32-bit hopping code
● 34-bit fixed code (28-bit serial number, 4-bit button code, 2-bit status)
● Encryption keys are read protected Operating
● 3.5V - 13.0V operation
● Four button inputs
● No additional circuitry required
● 15 functions available
● Selectable baud rate
● Automatic code word completion
● Battery low signal transmitted to receiver
● Battery low indication on LED
● Non-volatile synchronization data Other
● Functionally identical to HCS300
● 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 Typical
APPLICATIONS
is a code hopping encoder designed for secure Remote Keyless Entry (RKE) systems. PACKAGE TYPES PDIP, SOIC S0 1 S1 2 S2 3 S3 4 HCS301 8 VDD 7 LED 6 PWM 5...
