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| PartNumber | SN74LS244DW | SN74LS244DBR | SN74LS244DBRG4 |
| Description | Buffers & Line Drivers Tri-State Octal | Buffers & Line Drivers Octal Buff/Line Drvr W/3-State Otpt | Buffers & Line Drivers Octal Buff/Line Drvr W/3-State Otpt |
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Category | Buffers & Line Drivers | Buffers & Line Drivers | Buffers & Line Drivers |
| RoHS | Y | Y | Y |
| Number of Input Lines | 8 Input | 8 Input | 8 Input |
| Number of Output Lines | 8 Output | 8 Output | 8 Output |
| Polarity | Non-Inverting | Non-Inverting | Non-Inverting |
| Supply Voltage Max | 5.25 V | 5.25 V | 5.25 V |
| Supply Voltage Min | 4.75 V | 4.75 V | 4.75 V |
| Minimum Operating Temperature | 0 C | 0 C | 0 C |
| Maximum Operating Temperature | + 70 C | + 70 C | + 70 C |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | SOIC-20 | SSOP-20 | SSOP-20 |
| Packaging | Tube | Reel | Reel |
| Function | Buffer/Line Driver | Buffer/Line Driver | Buffer/Line Driver |
| Height | 2.35 mm | 1.95 mm | 1.95 mm |
| Length | 12.8 mm | 7.2 mm | 7.2 mm |
| Operating Temperature Range | 0 C to + 70 C | 0 C to + 70 C | 0 C to + 70 C |
| Output Type | 3-State | 3-State | 3-State |
| Quiescent Current | 27 mA | 27 mA | 27 mA |
| Series | SN74LS244 | SN74LS244 | SN74LS244 |
| Technology | Bipolar | Bipolar | Bipolar |
| Width | 7.52 mm | 5.3 mm | 5.3 mm |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments |
| Logic Family | LS | LS | LS |
| Logic Type | Bipolar | Bipolar | Bipolar |
| Number of Channels | 8 | 8 | 8 |
| Supply Current Max | 46000 uA | 46000 uA | 46000 uA |
| High Level Output Current | - 15 mA | - 15 mA | - 15 mA |
| Input Signal Type | Single-Ended | Single-Ended | Single-Ended |
| Low Level Output Current | 24 mA | 24 mA | 24 mA |
| Operating Supply Current | 46 uA | 46 uA | 46 uA |
| Operating Supply Voltage | 5 V | 4.75 V to 5.25 V | 4.75 V to 5.25 V |
| Product Type | Buffers & Line Drivers | Buffers & Line Drivers | Buffers & Line Drivers |
| Propagation Delay Time | 18 ns at 5 V | 18 ns at 5 V | 18 ns at 5 V |
| Factory Pack Quantity | 25 | 2000 | 2000 |
| Subcategory | Logic ICs | Logic ICs | Logic ICs |
| Unit Weight | 0.017662 oz | 0.005527 oz | 0.005527 oz |