| PartNumber | SN74HC540PWR | SN74HC540PW | SN74HC540PWG4 |
| Description | Buffers & Line Drivers Octal Buff/Line Drvr W/3-State Otpt | Buffers & Line Drivers Octal Buff/Line Drvr W/3-State Otpt | Buffers & Line Drivers Octal Buffers And Line Drivers |
| 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 | 6 V | 6 V | - |
| Supply Voltage Min | 2 V | 2 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | TSSOP-20 | TSSOP-20 | - |
| Packaging | Reel | Tube | - |
| Function | Buffer/Line Driver | Buffer/Line Driver | - |
| Height | 1.05 mm (Max) | 1.05 mm (Max) | - |
| Length | 6.6 mm (Max) | 6.6 mm (Max) | - |
| Operating Temperature Range | - 40 C to + 85 C | - 40 C to + 85 C | - |
| Output Type | 3-State | 3-State | - |
| Quiescent Current | 8 uA | 8 uA | - |
| Series | SN74HC540 | SN74HC540 | - |
| Technology | CMOS | CMOS | - |
| Width | 4.5 mm (Max) | 4.5 mm (Max) | - |
| Brand | Texas Instruments | Texas Instruments | - |
| Logic Family | HC | HC | - |
| Logic Type | CMOS | CMOS | - |
| Number of Channels | 8 | 8 | - |
| Supply Current Max | 8 uA | 8 uA | - |
| High Level Output Current | - 7.8 mA | - 7.8 mA | - |
| Input Signal Type | Single-Ended | Single-Ended | - |
| Low Level Output Current | 7.8 mA | 7.8 mA | - |
| Operating Supply Current | 80 uA | 80 uA | - |
| Operating Supply Voltage | 5 V | 5 V | - |
| Product Type | Buffers & Line Drivers | Buffers & Line Drivers | - |
| Propagation Delay Time | 150 ns at 2 V, 30 ns at 4.5 V, 26 ns at 6 V | 150 ns at 2 V, 30 ns at 4.5 V, 26 ns at 6 V | - |
| Factory Pack Quantity | 2000 | 70 | - |
| Subcategory | Logic ICs | Logic ICs | - |
| Unit Weight | 0.002716 oz | 0.002716 oz | - |