| PartNumber | SN74AS645DWR | SN74AS645DWE4 | SN74AS645DW |
| Description | Bus Transceivers Octal Bus Trnscvrs With 3-State Outputs | IC TXRX NON-INVERT 5.5V 20SOIC | Bus Transceivers Octal Bus Trnscvrs With 3-State Outputs |
| Manufacturer | Texas Instruments | - | Texas Instruments |
| Product Category | Bus Transceivers | - | Logic - Buffers, Drivers, Receivers, Transceivers |
| RoHS | Y | - | - |
| Logic Family | 74AS | - | AS |
| 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 | 9.5 ns | - | 9.5 ns |
| Supply Voltage Max | 5.5 V | - | - |
| Supply Voltage Min | 4.5 V | - | - |
| Minimum Operating Temperature | 0 C | - | 0 C |
| Maximum Operating Temperature | + 70 C | - | + 70 C |
| Package / Case | SOIC-20 | - | - |
| Packaging | Reel | - | Tube Alternate Packaging |
| Function | Bus Transceiver | - | Bus Transceiver |
| Height | 2.35 mm | - | - |
| Length | 12.8 mm | - | - |
| Number of Circuits | 8 | - | 8 |
| Product | Bipolar | - | Standard Transceiver |
| Technology | Bipolar | - | - |
| Width | 7.52 mm | - | - |
| Brand | Texas Instruments | - | - |
| Mounting Style | SMD/SMT | - | SMD/SMT |
| Number of Channels | 8 | - | 8 |
| Operating Supply Voltage | 4.5 V to 5.5 V | - | - |
| Polarity | Non-Inverting | - | Non-Inverting |
| Product Type | Bus Transceivers | - | - |
| Factory Pack Quantity | 1 | - | - |
| Subcategory | Logic ICs | - | - |
| Unit Weight | 0.018953 oz | - | 0.017662 oz |
| Series | - | - | 74AS |
| Package Case | - | - | SOIC-20 |
| Operating Temperature | - | - | 0°C ~ 70°C |
| Mounting Type | - | - | Surface Mount |
| Voltage Supply | - | - | 4.5 V ~ 5.5 V |
| Supplier Device Package | - | - | 20-SOIC |
| Number of Elements | - | - | 1 |
| Current Output High Low | - | - | 15mA, 64mA |
| Logic Type | - | - | Transceiver, Non-Inverting |
| Number of Bits per Element | - | - | 8 |
| Supply Voltage Max | - | - | 5.5 V |
| Supply Voltage Min | - | - | 4.5 V |