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| PartNumber | SN74AHC540N | SN74AHC540NSR | SN74AHC540NSLE |
| Description | Buffers & Line Drivers Tri-State Octal | Buffers & Line Drivers Octal Buffer/Driver With 3-State Outputs | |
| Manufacturer | Texas Instruments | Texas Instruments | - |
| Product Category | Buffers & Line Drivers | Buffers & Line Drivers | - |
| RoHS | Y | Y | - |
| Number of Input Lines | 8 Input | 8 Input | - |
| Number of Output Lines | 8 Output | 8 Output | - |
| Polarity | Inverting | Inverting | - |
| Supply Voltage Max | 5.5 V | 5.5 V | - |
| Supply Voltage Min | 2 V | 2 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 125 C | + 85 C | - |
| Mounting Style | Through Hole | SMD/SMT | - |
| Package / Case | PDIP-20 | SO-20 | - |
| Packaging | Tube | Reel | - |
| Function | Buffer/Line Driver | Buffer/Line Driver | - |
| Height | 4.57 mm | 1.95 mm | - |
| Length | 24.33 mm | 12.6 mm | - |
| Operating Temperature Range | - 40 C to + 125 C | - | - |
| Output Type | 3-State | 3-State | - |
| Quiescent Current | 4 uA | 4 uA | - |
| Series | SN74AHC540 | - | - |
| Technology | CMOS | CMOS | - |
| Width | 6.35 mm | 5.3 mm | - |
| Brand | Texas Instruments | Texas Instruments | - |
| Logic Family | AHC | AHC | - |
| Logic Type | CMOS | CMOS | - |
| Number of Channels | 8 | 8 | - |
| Supply Current Max | 4 uA | 4 uA | - |
| High Level Output Current | - 8 mA | - 8 mA | - |
| Input Signal Type | Single-Ended | Single-Ended | - |
| Low Level Output Current | 8 mA | 8 mA | - |
| Operating Supply Current | 40 uA | - | - |
| Operating Supply Voltage | 2.5 V, 3.3 V, 5 V | 2 V to 5.5 V | - |
| Product Type | Buffers & Line Drivers | Buffers & Line Drivers | - |
| Propagation Delay Time | 10 ns | 10 ns | - |
| Factory Pack Quantity | 20 | 1 | - |
| Subcategory | Logic ICs | Logic ICs | - |
| Unit Weight | 0.042297 oz | 0.009408 oz | - |