SIC279

Ultra LF HDX R/O Transponder ICs

134.2 kHz, Multi-Purpose R/W HDX RFID IC with 192 bits of User Memory
Low-frequency half-duplex (HDX) RFID transponder with 192 bits of user memory. LF HDX RFID transponder operates at 134.2 kHz frequency band. The transponder is fully compatible with ISO11784/11785 HDX R/O Animal tag.

Highlight Features

• New improvement from its predecessor to fully support
• Industrial application (BDE format)
• Customizable, long read range R/W RFID transponder
• Half duplex FM telegram 124/134 kHz contactless read/write data
• On-chip tunable resonant capacitor controlled by non-volatile memory switch
• Available in VDFN packages, fully compatible with its predecessor

Interface and Peripheral

• Fully compliant with ISO 11784/11785 HDX R/O Animal tag ID data protocol/structure
• Compliant with BDE format (for waste management application)
• ID data protocol/structure
• Fully compliant with mainstream HDX R/W ID format

Memory

• R/W user data memory of 6X32 (192 bits) for database management
• Supporting user access to factory unique ROM ID (UID), preventing chips from cloning
• Write endurance > 100,000 R/W cycles
• Memory retention > 20 years
• Direct Access/Write Mode
• Protected Direct Access/Write Mode
• Write Mode
• Read-Only Animal ID sections when no command received
• Read/Write or OTP Configuration
• Supporting cascading commands
• Comprehensive error logging reports

Commands

• Proprietary command protocol
• Comprehensive error logging reports
• Support cascade commands

Operating Condition

• Carrier frequency fc is 124/134 kHz
• Operating temperature: –40℃ to 85℃