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| PartNumber | 74ABT646CMSA | 74ABT646CMSAX | 74ABT646C |
| Description | Bus Transceivers Octal Trans and Reg | Bus Transceivers Octal Trans and Reg | |
| Manufacturer | ON Semiconductor | ON Semiconductor | - |
| Product Category | Bus Transceivers | Bus Transceivers | - |
| RoHS | Y | Y | - |
| Logic Family | 74ABT | 74ABT | - |
| Input Level | TTL | TTL | - |
| Output Level | TTL | TTL | - |
| Output Type | 3-State | 3-State | - |
| High Level Output Current | - 32 mA | - 32 mA | - |
| Low Level Output Current | 64 mA | 64 mA | - |
| Propagation Delay Time | 5.6 ns | 5.6 ns | - |
| Supply Voltage Max | 5.5 V | 5.5 V | - |
| Supply Voltage Min | 4.5 V | 4.5 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Package / Case | SSOP-24 | SSOP-24 | - |
| Packaging | Tube | Reel | - |
| Function | Transceiver/Register | Octal Trans and Reg | - |
| Height | 1.8 mm | 1.8 mm | - |
| Length | 8.4 mm | 8.4 mm | - |
| Number of Circuits | 8 | 8 | - |
| Product | BiCMOS | BiCMOS | - |
| Technology | BiCMOS | BiCMOS | - |
| Width | 5.3 mm | 5.3 mm | - |
| Brand | ON Semiconductor / Fairchild | ON Semiconductor / Fairchild | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Number of Channels | 8 | 8 | - |
| Operating Supply Voltage | 4.5 V to 5.5 V | 4.5 V to 5.5 V | - |
| Polarity | Non-Inverting | Non-Inverting | - |
| Product Type | Bus Transceivers | Bus Transceivers | - |
| Factory Pack Quantity | 58 | 2000 | - |
| Subcategory | Logic ICs | Logic ICs | - |
| Triggering Type | Positive Edge | Positive Edge | - |
| Unit Weight | 0.059966 oz | 0.059966 oz | - |