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| PartNumber | DM74AS646WM | DM74AS646NT | DM74AS646WMX |
| Description | Bus Transceivers Oct 3-STATE Bus Reg | Bus Transceivers Oct 3-STATE Bus Reg | IC TRANSCVR INVERT 5.5V 24SOIC |
| Manufacturer | ON Semiconductor | ON Semiconductor | Fairchild Semiconductor |
| Product Category | Bus Transceivers | Bus Transceivers | Logic - Buffers, Drivers, Receivers, Transceivers |
| RoHS | Y | Y | - |
| Logic Family | 74AS | 74AS | - |
| 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 | 48 mA | 48 mA | - |
| Propagation Delay Time | 9 ns | 9 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 | SOIC-24 | PDIP-24 | - |
| Packaging | Tube | Tube | Tape & Reel (TR) |
| Function | Wide Oct 3-STATE Bus Reg | Oct 3-STATE Bus Reg | - |
| Height | 2.35 mm | 3.43 mm | - |
| Length | 15.4 mm | 32.26 mm | - |
| Number of Circuits | 8 | 8 | - |
| Product | Bipolar | Bipolar | - |
| Technology | Bipolar | Bipolar | - |
| Width | 7.5 mm | 6.73 mm | - |
| Brand | ON Semiconductor / Fairchild | ON Semiconductor / Fairchild | - |
| Mounting Style | SMD/SMT | Through Hole | - |
| 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 | 30 | 15 | - |
| Subcategory | Logic ICs | Logic ICs | - |
| Triggering Type | Positive Edge | Positive Edge | - |
| Unit Weight | 0.038731 oz | 0.131925 oz | - |
| Series | - | - | 74AS |
| Package Case | - | - | 24-SOIC (0.295", 7.50mm Width) |
| Operating Temperature | - | - | 0°C ~ 70°C |
| Mounting Type | - | - | Surface Mount |
| Voltage Supply | - | - | 4.5 V ~ 5.5 V |
| Supplier Device Package | - | - | 24-SOIC |
| Number of Elements | - | - | 1 |
| Current Output High Low | - | - | 15mA, 48mA |
| Logic Type | - | - | Transceiver, Inverting |
| Number of Bits per Element | - | - | 8 |