| PartNumber | HCS515/SL | HCS515/P | HCS515T-I/SL |
| Description | Security ICs / Authentication ICs w/ serial interface | Security ICs / Authentication ICs w/ serial interface | Security ICs / Authentication ICs w/ serial interface |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | Security ICs / Authentication ICs | Security ICs / Authentication ICs | Security ICs / Authentication ICs |
| RoHS | Y | Y | Y |
| Data Bus Width | 64 bit | 64 bit | 64 bit |
| Supply Voltage Max | 5.5 V | - | - |
| Supply Voltage Min | 4.5 V | - | - |
| Minimum Operating Temperature | 0 C | 0 C | - 40 C |
| Maximum Operating Temperature | + 70 C | + 70 C | + 85 C |
| Mounting Style | SMD/SMT | Through Hole | SMD/SMT |
| Package / Case | SOIC-14 | PDIP-14 | SOIC-14 |
| Packaging | Tube | Tube | Reel |
| Height | 1.25 mm | 3.3 mm | 1.25 mm |
| Length | 8.65 mm | 19.05 mm | 8.65 mm |
| Series | HCS515 | HCS515 | HCS515 |
| Width | 3.9 mm | 6.35 mm | 3.9 mm |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology |
| Operating Supply Voltage | 5 V | - | - |
| Product Type | Security ICs / Authentication ICs | Security ICs / Authentication ICs | Security ICs / Authentication ICs |
| Factory Pack Quantity | 57 | 30 | 2600 |
| Subcategory | Security ICs / Authentication ICs | Security ICs / Authentication ICs | Security ICs / Authentication ICs |
| Tradename | KEELOQ | KEELOQ | KEELOQ |
| Unit Weight | 0.011923 oz | 0.057144 oz | 0.011923 oz |