| PartNumber | SN74ALS645AN | SN74ALS645ANSR |
| Description | Bus Transceivers Octal Bus Trnscvrs With 3-State Outputs | Bus Transceivers Octal Bus Trnscvrs With 3-State Outputs |
| Manufacturer | Texas Instruments | Texas Instruments |
| Product Category | Bus Transceivers | Bus Transceivers |
| RoHS | Y | Y |
| Logic Family | ALS | ALS |
| 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 | 24 mA | 24 mA |
| Propagation Delay Time | 10 ns | 10 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 | SO-20 |
| Packaging | Tube | Reel |
| Function | Bus Transceiver | Bus Transceiver |
| Height | 4.57 mm | 1.95 mm |
| Length | 24.33 mm | 12.6 mm |
| Number of Circuits | 8 | 8 |
| Operating Temperature Range | 0 C to + 70 C | 0 C to + 70 C |
| Product | Standard Transceiver | Standard Transceiver |
| Series | SN74ALS645A | SN74ALS645A |
| Technology | Bipolar | Bipolar |
| Width | 6.35 mm | 5.3 mm |
| Brand | Texas Instruments | Texas Instruments |
| Mounting Style | Through Hole | 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 | 20 | 2000 |
| Subcategory | Logic ICs | Logic ICs |
| Unit Weight | 0.042297 oz | 0.009408 oz |