| PartNumber | SN74ABT540DWR | SN74ABT540DW | SN74ABT540DBR |
| Description | Buffers & Line Drivers Tri-State Octal | Buffers & Line Drivers Tri-State Octal | Buffers & Line Drivers Tri-State Octal |
| 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 | 8 Input |
| Number of Output Lines | 8 Output | 8 Output | 8 Output |
| Polarity | Inverting | Inverting | Inverting |
| Supply Voltage Max | 5.5 V | 5.5 V | - |
| Supply Voltage Min | 4.5 V | 4.5 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | SOIC-20 | SOIC-20 | - |
| Packaging | Reel | Tube | Digi-ReelR 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 + 85 C | - 40 C to + 85 C | - |
| Output Type | 3-State | 3-State | 3-State |
| Quiescent Current | 24 mA | 24 mA | - |
| Series | SN74ABT540 | SN74ABT540 | 74ABT |
| Technology | BiCMOS | BiCMOS | - |
| Width | 7.52 mm | 7.52 mm | - |
| Brand | Texas Instruments | Texas Instruments | - |
| Logic Family | ABT | ABT | ABT |
| Logic Type | Octal Buffer and Driver | Octal Buffer and Driver | Buffer/Line Driver, Inverting |
| Number of Channels | 8 | 8 | 8 |
| Supply Current Max | 30000 uA | 30000 uA | - |
| High Level Output Current | - 32 mA | - 32 mA | - 32 mA |
| Input Signal Type | Single-Ended | Single-Ended | - |
| Low Level Output Current | 64 mA | 64 mA | 64 mA |
| Operating Supply Current | 250 uA | 250 uA | 250 uA |
| Operating Supply Voltage | 5 V | 5 V | - |
| Product Type | Buffers & Line Drivers | Buffers & Line Drivers | - |
| Propagation Delay Time | 4.3 ns | 4.3 ns | 4.3 ns at 5 V |
| Factory Pack Quantity | 2000 | 25 | - |
| Subcategory | Logic ICs | Logic ICs | - |
| Unit Weight | 0.017662 oz | 0.017662 oz | 0.005527 oz |
| Package Case | - | - | SSOP-20 |
| Operating Temperature | - | - | -40°C ~ 85°C |
| Mounting Type | - | - | Surface Mount |
| Voltage Supply | - | - | 4.5 V ~ 5.5 V |
| Supplier Device Package | - | - | 20-SSOP |
| Number of Elements | - | - | 1 |
| Current Output High Low | - | - | 32mA, 64mA |
| Number of Bits per Element | - | - | 8 |
| Supply Voltage Max | - | - | 5.5 V |
| Supply Voltage Min | - | - | 4.5 V |