| PartNumber | 74ABT16646CMTD | 74ABT16652CSSC | 74ABT16646CSSC |
| Description | Bus Transceivers 16-Bit Reg and Trans | Bus Transceivers Octal Trans and Reg | Bus Transceivers 16-Bit Reg and Trans |
| Manufacturer | ON Semiconductor | ON Semiconductor | ON Semiconductor |
| Product Category | Bus Transceivers | Bus Transceivers | Bus Transceivers |
| RoHS | T | Y | Y |
| Logic Family | 74ABT | 74ABT | 74ABT |
| Input Level | TTL | TTL | TTL |
| Output Level | TTL | TTL | TTL |
| Output Type | 3-State | 3-State | 3-State |
| High Level Output Current | - 32 mA | - 32 mA | - 32 mA |
| Low Level Output Current | 64 mA | 64 mA | 64 mA |
| Propagation Delay Time | 4.9 ns | 10 ns | 4.9 ns |
| Supply Voltage Max | 5.5 V | 5.5 V | 5.5 V |
| Supply Voltage Min | 4.5 V | 4.5 V | 4.5 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Package / Case | TSSOP-56 | SSOP-56 | SSOP-56 |
| Packaging | Tube | Tube | Tube |
| Function | Transceiver/Register | Transceiver/Register | Transceiver/Register |
| Height | 0.95 mm | 2.74 mm | 2.74 mm |
| Length | 14 mm | 18.54 mm | 18.54 mm |
| Number of Circuits | 2 | 2 | 2 |
| Product | BiCMOS | BiCMOS | BiCMOS |
| Technology | BiCMOS | BiCMOS | BiCMOS |
| Width | 6.1 mm | 7.59 mm | 7.59 mm |
| Brand | ON Semiconductor / Fairchild | ON Semiconductor / Fairchild | ON Semiconductor / Fairchild |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Number of Channels | 16 | 16 | 16 |
| Moisture Sensitive | Yes | Yes | Yes |
| Operating Supply Voltage | 4.5 V to 5.5 V | 4.5 V to 5.5 V | 4.5 V to 5.5 V |
| Polarity | Non-Inverting | Non-Inverting | Non-Inverting |
| Product Type | Bus Transceivers | Bus Transceivers | Bus Transceivers |
| Factory Pack Quantity | 34 | 25 | 25 |
| Subcategory | Logic ICs | Logic ICs | Logic ICs |
| Triggering Type | Positive Edge | Positive Edge | Positive Edge |
| Unit Weight | 0.026103 oz | 0.024508 oz | 0.024508 oz |
| Part # Aliases | - | - | 74ABT16646CSSC_NL |