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| PartNumber | 73M1866B-IM/F | 73M1866B-IMR/F | 73M1866B-IM |
| Description | Telecom Interface ICs MicroDAA w/PCM Highway | Telecom Line Management ICs MicroDAA w/PCM Highway | |
| Manufacturer | Maxim Integrated | Maxim Integrated | TERIDIAN |
| Product Category | Telecom Interface ICs | Interface - Telecom | Interface - Telecom |
| RoHS | Y | - | - |
| Product | DAA - Direct Access Arrangements | - | - |
| Supply Voltage Max | 3.6 V | - | - |
| Supply Voltage Min | 3 V | - | - |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Mounting Style | SMD/SMT | - | - |
| Package / Case | QFN-42 | - | - |
| Packaging | Tube | Tape & Reel (TR) Alternate Packaging | - |
| Data Rate | 1.536 Mb/s | - | - |
| Series | 73M1866B | MicroDAA | - |
| Brand | Maxim Integrated | - | - |
| Moisture Sensitive | Yes | - | - |
| Operating Supply Voltage | 3 V to 3.6 V | - | - |
| Product Type | Telecom Interface ICs | - | - |
| Factory Pack Quantity | 110 | - | - |
| Subcategory | Interface ICs | - | - |
| Part # Aliases | 73M1866B 90-W1866+XB1 | - | - |
| Unit Weight | 0.001764 oz | - | - |
| Package Case | - | 42-VFQFN Exposed Pad | - |
| Operating Temperature | - | -40°C ~ 85°C | - |
| Mounting Type | - | Surface Mount | - |
| Function | - | Data Access Arrangement (DAA) | - |
| Interface | - | PCM, Serial, SPI | - |
| Voltage Supply | - | 3 V ~ 3.6 V | - |
| Supplier Device Package | - | 42-QFN (8x8) | - |
| Number of Circuits | - | 1 | - |
| Power Watts | - | - | - |
| Current Supply | - | - | - |