SIC614E
LF HDX Immobilizer Transponder with 40-bit Encryption
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The SIC614E is a low-frequency (134.2 kHz) half-duplex (HDX) RFID transponder designed for automotive immobilizer applications. It integrates a 40-bit encryption module to enable secure authentication within vehicle security systems.
Highlight Features
- Single-Chip Security Transponder for Vehicle Immobilization and Access Control
- Encrypted Security with Built-in 40-bit Classical Encryption
- Fast Authentication
- Best-in-Class Read and Write Sensitivity
- Fully Compatible with ID4E Protocol
| Product Attributes | Description |
|---|---|
| Product Name | SIC614E |
| Compatibility | ID4E, ID64 |
| 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] | 88 |
| Unique ID [bits] | 24-bit Unique Serial Number 8-bit Manufacturer Code |
| User Memory Size [bits] | 8 |
| Security Algorithm | 40-bit Encryption / D40 |
| 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 |







