| PartNumber | SN74ALS540-1N | SN74ALS540-1DW | SN74ALS540-1DWG4 |
| Description | Buffers & Line Drivers Octal Buffer/Bus Driver | Buffers & Line Drivers Octal Buffer/Bus Driver | Buffers & Line Drivers OCTAL BUFFER BUS DRIVERS |
| 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 | Inverting | Inverting | 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 | Through Hole | SMD/SMT | SMD/SMT |
| Package / Case | PDIP-20 | SOIC-20 | SOIC-20 |
| Packaging | Tube | Tube | Tube |
| Function | Buffer/Line Driver | Buffer/Line Driver | Buffer/Line Driver |
| Height | 4.57 mm | 2.35 mm | 2.35 mm |
| Length | 24.33 mm | 12.8 mm | 12.8 mm |
| Operating Temperature Range | 0 C to + 70 C | - | - |
| Output Type | 3-State | 3-State | 3-State |
| Series | SN74ALS540-1 | - | - |
| Technology | Bipolar | Bipolar | Bipolar |
| Width | 6.35 mm | 7.52 mm | 7.52 mm |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments |
| Logic Family | ALS | ALS | ALS |
| Logic Type | Bipolar | Bipolar | Bipolar |
| Number of Channels | 8 | 8 | 8 |
| High Level Output Current | - 15 mA | - 15 mA | - 15 mA |
| Input Signal Type | Single-Ended | Single-Ended | Single-Ended |
| Low Level Output Current | 48 mA | 48 mA | 48 mA |
| Operating Supply Current | 22 uA | - | - |
| Operating Supply Voltage | 4.75 V to 5.25 V | 5 V | 5 V |
| Product Type | Buffers & Line Drivers | Buffers & Line Drivers | Buffers & Line Drivers |
| Propagation Delay Time | 12 ns | 12 ns | 12 ns |
| Factory Pack Quantity | 20 | 1 | 1 |
| Subcategory | Logic ICs | Logic ICs | Logic ICs |
| Unit Weight | 0.042297 oz | 0.017662 oz | 0.017662 oz |