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| PartNumber | MCS3122T-I/ST | MCS3122-I/ST | MCS312C334KP |
| Description | Security ICs / Authentication ICs Advanced KeeLoq Encoder | Security ICs / Authentication ICs Advanced Encorder | |
| Manufacturer | Microchip | Microchip | - |
| Product Category | Security ICs / Authentication ICs | Security ICs / Authentication ICs | - |
| RoHS | Y | Y | - |
| Data Bus Width | 128 bit | 128 bit | - |
| Supply Voltage Max | 3.7 V | 3.7 V | - |
| Supply Voltage Min | 2 V | 2 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | TSSOP-14 | TSSOP-14 | - |
| Packaging | Reel | Tube | - |
| Series | MCS3122 | MCS3122 | - |
| Type | Remote Keyless Entry (RKE) | - | - |
| Brand | Microchip Technology | Microchip Technology | - |
| Interface Type | Serial | Serial | - |
| Supply Current Max | 17.5 mA | - | - |
| Product Type | Security ICs / Authentication ICs | Security ICs / Authentication ICs | - |
| Factory Pack Quantity | 2500 | 96 | - |
| Subcategory | Security ICs / Authentication ICs | Security ICs / Authentication ICs | - |
| Unit Weight | 0.006102 oz | 0.006102 oz | - |
| Operating Supply Current | - | 17.5 mA | - |