| PartNumber | 74F545PC | 74F544SC | 74F544SPC |
| Description | Bus Transceivers Octal Bidir Trans | Bus Transceivers Oct Registered Trans | IC TRANSCVR INVERT 5.5V 24DIP |
| Manufacturer | ON Semiconductor | ON Semiconductor | - |
| Product Category | Bus Transceivers | Bus Transceivers | - |
| RoHS | Y | N | - |
| Logic Family | 74F | 74F | - |
| Input Level | TTL | TTL | - |
| Output Level | TTL | TTL | - |
| Output Type | 3-State | 3-State | - |
| High Level Output Current | - 15 mA | - 15 mA | - |
| Low Level Output Current | 64 mA | 64 mA | - |
| Propagation Delay Time | 6 ns | 9.5 ns | - |
| Supply Voltage Max | 5.5 V | 5.5 V | - |
| Supply Voltage Min | 4.5 V | 4.5 V | - |
| Minimum Operating Temperature | 0 C | 0 C | - |
| Maximum Operating Temperature | + 70 C | + 70 C | - |
| Package / Case | PDIP-20 | SOIC-24 | - |
| Packaging | Tube | - | - |
| Function | Octal Bidir Trans | Oct Registered Trans | - |
| Height | 3.43 mm | 2.35 mm | - |
| Length | 26.92 mm | 15.4 mm | - |
| Number of Circuits | 8 | 1 | - |
| Product | Bipolar | Bipolar | - |
| Technology | Bipolar | Bipolar | - |
| Width | 7.11 mm | 7.5 mm | - |
| Brand | ON Semiconductor / Fairchild | ON Semiconductor / Fairchild | - |
| Mounting Style | Through Hole | SMD/SMT | - |
| Number of Channels | 8 | 8 | - |
| Operating Supply Voltage | 4.5 V to 5.5 V | - 4.2 V to + 5.5 V | - |
| Polarity | Non-Inverting | Inverting | - |
| Product Type | Bus Transceivers | Bus Transceivers | - |
| Factory Pack Quantity | 18 | - | - |
| Subcategory | Logic ICs | Logic ICs | - |
| Unit Weight | 0.079719 oz | 0.038731 oz | - |