| PartNumber | SN74AHC540DW | SN74AHC540DWG4 | SN74AHC540DWE4 |
| Description | Buffers & Line Drivers Tri-State Octal | Buffers & Line Drivers Octal Buffers Driver | Buffers & Line Drivers Octal Buffer/Driver With 3-State Outputs |
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Category | Buffers & Line Drivers | Buffers & Line Drivers | Logic - Buffers, Drivers, Receivers, Transceivers |
| 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 | + 125 C | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | SOIC-20 | SOIC-20 | - |
| Packaging | Tube | Tube | Tube Alternate Packaging |
| Function | Buffer/Line Driver | Buffer/Line Driver | - |
| Height | 2.35 mm | 2.35 mm | - |
| Length | 12.8 mm | 12.8 mm | - |
| Operating Temperature Range | - 40 C to + 125 C | - 40 C to + 125 C | - |
| Output Type | 3-State | 3-State | - |
| Quiescent Current | 4 uA | 4 uA | - |
| Series | SN74AHC540 | SN74AHC540 | 74AHC |
| Technology | CMOS | CMOS | - |
| Width | 7.52 mm | 7.52 mm | - |
| Brand | Texas Instruments | Texas Instruments | - |
| Logic Family | AHC | AHC | - |
| Logic Type | CMOS | CMOS | Buffer/Line Driver, Inverting |
| 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 | 40 uA | - |
| Operating Supply Voltage | 2.5 V | 2.5 V, 3.3 V, 5 V | - |
| Product Type | Buffers & Line Drivers | Buffers & Line Drivers | - |
| Propagation Delay Time | 10 ns, 7 ns | 10 ns | - |
| Factory Pack Quantity | 25 | 25 | - |
| Subcategory | Logic ICs | Logic ICs | - |
| Unit Weight | 0.017662 oz | 0.017662 oz | - |
| Package Case | - | - | 20-SOIC (0.295", 7.50mm Width) |
| Operating Temperature | - | - | -40°C ~ 85°C |
| Mounting Type | - | - | Surface Mount |
| Voltage Supply | - | - | 2 V ~ 5.5 V |
| Supplier Device Package | - | - | 20-SOIC |
| Number of Elements | - | - | 1 |
| Current Output High Low | - | - | 8mA, 8mA |
| Number of Bits per Element | - | - | 8 |