SIC614D
LF HDX Immobilizer Transponder with 40/80-bit Encryption
DOWNLOAD DATASHEET
The SIC614D is a low-frequency (134.2 kHz) half-duplex (HDX) RFID transponder designed for automotive immobilizer applications. It features either a 40-bit or 80-bit encryption module, enabling secure authentication and mutual authentication between the transponder and the vehicle system.
Highlight Features
- Single-Chip Security Transponder for Vehicle Immobilization and Access Control
- Encrypted Security with Built-in 40/80-bit Classical Encryption
- Fast Mutual Authentication
- Best-in-Class Read and Write Sensitivity
- Fully Compatible with ID4D Protocol
| Product Attributes | Description |
|---|---|
| Product Name | SIC614D |
| Compatibility | ID4D |
| Communication | |
| Transmission Mode | HDX |
| Downlink Protocol | ASK |
| Uplink Protocol | FSK Uplink at 134 kHz / 123 kHz with RF/16 Data Rate |
| Memory | |
| EEPROM Memory Size [bits] | 552 |
| Unique ID [bits] | 24-bit Unique Serial Number 8-bit Manufacturer Code |
| User Memory Size [bits] | 336 |
| Security Algorithm | 40-bit Encryption / D40 80-bit Encryption / D80 |
| Data Retention [years] | 20 |
| Write Cycles [times] | 100,000 |
| Operating Conditions | |
| Operating Frequency [kHz] | 134.2 |
| Operating Temperature [°C] | –40 to +85 |
| Others | |
| Available Form Factors | Wedge Transponder |








