| PartNumber | 1894K-33LF | 1894K-32LF | 1894K-32LFT |
| Description | Ethernet ICs 3.3V 10/100 PHY RMII | Ethernet ICs 3.3V 10/100 PHY RMII | Ethernet ICs 3.3V 10/100 PHY RMII |
| Manufacturer | IDT (Integrated Device Technology) | IDT (Integrated Device Technology) | IDT (Integrated Device Technology) |
| Product Category | Ethernet ICs | Ethernet ICs | Ethernet ICs |
| RoHS | Y | Y | Y |
| Series | 1894K | 1894K | 1894K |
| Product | Physical Layer Transceivers | Physical Layer Transceivers | Physical Layer Transceivers |
| Number of Transceivers | 1 Transceiver | 1 Transceiver | 1 Transceiver |
| Operating Supply Voltage | 3.3 V | 3.3 V | 3.3 V |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | QFN-32 EP | VFQFPN-32 | VFQFPN-32 |
| Packaging | Tray | Tray | Reel |
| Brand | IDT | IDT | IDT |
| Moisture Sensitive | Yes | Yes | Yes |
| Product Type | Ethernet ICs | Ethernet ICs | Ethernet ICs |
| Factory Pack Quantity | 490 | 490 | 2500 |
| Subcategory | Communication & Networking ICs | Communication & Networking ICs | Communication & Networking ICs |
| Part # Aliases | ICS1894K-33LF | 1894-32 ICS1894K-32LF | 1894-32 ICS1894K-32LFT |
| Unit Weight | 0.002448 oz | - | - |
| Height | - | 1 mm | 1 mm |
| Length | - | 5 mm | 5 mm |
| Width | - | 5 mm | 5 mm |