IC specification summary
| Specification | Details |
|---|---|
| Semiconductor IC | T5557 |
| Interface / protocol | 125 KHz |
| Catalog chip designation | T5557 |
| Operating interface | 125 kHz |
| Catalog technology group | 125 KHz |
| Part number selection | Confirm the manufacturer variant, memory layout and reader support with your quotation |
Match the complete part number, reader command set and data format before qualification. Frequency alone does not establish interoperability.
