| PartNumber | SN74ALS540NSR | SN74ALS540NS | SN74ALS540NSRG4 |
| Description | Buffers & Line Drivers Octal Buffer/Driver With 3-State Outputs | Buffers & Line Drivers Octal Buffers and Line Drivers | Buffers & Line Drivers Octal Buffers Driver |
| 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 | 10 Input | 8 Input |
| Number of Output Lines | 8 Output | 3 Output | 8 Output |
| Polarity | Inverting | Inverting | Inverting |
| Supply Voltage Max | 5.5 V | 3.6 V | 5.5 V |
| Supply Voltage Min | 4.5 V | 1.65 V | 4.5 V |
| Minimum Operating Temperature | 0 C | - 40 C | 0 C |
| Maximum Operating Temperature | + 70 C | + 85 C | + 70 C |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | SO-20 | SOIC-24 | SO-20 |
| Packaging | Reel | Reel | Reel |
| Function | Buffer/Line Driver | Buffer/Line Driver | Buffer/Line Driver |
| Height | 1.95 mm | 2.35 mm | 1.95 mm |
| Length | 12.6 mm | 15.4 mm | 12.6 mm |
| Operating Temperature Range | 0 C to + 70 C | - 40 C to + 85 C | 0 C to + 70 C |
| Output Type | 3-State | 3-State | 3-State |
| Series | SN74ALS540 | SN74LVC828A | SN74ALS540 |
| Technology | Bipolar | CMOS | Bipolar |
| Width | 5.3 mm | 7.52 mm | 5.3 mm |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments |
| Logic Family | ALS | LVC | ALS |
| Logic Type | Bipolar | CMOS | Bipolar |
| Number of Channels | 8 | 10 | 8 |
| High Level Output Current | - 15 mA | - 24 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 | 22 uA | 10 uA | 22 uA |
| Operating Supply Voltage | 4.5 V to 5.5 V | 1.65 V to 3.6 V | 4.5 V to 5.5 V |
| Product Type | Buffers & Line Drivers | Buffers & Line Drivers | Buffers & Line Drivers |
| Propagation Delay Time | 12 ns | 7.1 ns at 2.7 V | 12 ns |
| Factory Pack Quantity | 2000 | 2000 | 2000 |
| Subcategory | Logic ICs | Logic ICs | Logic ICs |
| Unit Weight | 0.009408 oz | 0.022025 oz | 0.009408 oz |
| Quiescent Current | - | 10 uA | - |
| Supply Current Max | - | 10 uA | - |