| PartNumber | 74VHCT540AMTCX | 74VHCT540AM | 74VHCT540AMTC |
| Description | Buffers & Line Drivers Octal Buf/Line Drv | Buffers & Line Drivers Octal Buf/Line Drv | Buffers & Line Drivers Octal Buf/Line Drv |
| Manufacturer | ON Semiconductor | ON Semiconductor | Fairchild Semiconductor |
| 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 | TSSOP-20 | SOIC-20 | - |
| Packaging | Reel | Tube | Tube Alternate Packaging |
| Function | Buffer/Line Driver | Buffer/Line Driver | - |
| Height | 0.9 mm | 2.35 mm (Max) | - |
| Length | 6.5 mm | 13 mm (Max) | - |
| Output Type | 3-State | 3-State | 3-State |
| Quiescent Current | 4 uA | 4 uA | - |
| Series | 74VHCT540A | 74VHCT540A | 74VHCT |
| Technology | CMOS | CMOS | - |
| Width | 4.4 mm | 7.6 mm (Max) | - |
| Brand | ON Semiconductor / Fairchild | ON Semiconductor / Fairchild | - |
| Logic Family | VHCT | VHCT | VHCT |
| Logic Type | CMOS | CMOS | Buffer/Line Driver, Inverting |
| Number of Channels | 8 | 8 | 8 |
| Supply Current Max | 4 uA | 4 uA | - |
| High Level Output Current | - 8 mA | - 8 mA | - 8 mA |
| Input Signal Type | Single-Ended | Single-Ended | - |
| Low Level Output Current | 8 mA | 8 mA | 8 mA |
| Operating Supply Voltage | 4.5 V to 5.5 V | 4.5 V to 5.5 V | - |
| Product Type | Buffers & Line Drivers | Buffers & Line Drivers | - |
| Propagation Delay Time | 8.4 ns at 5 V | 8.4 ns at 5 V | 8.4 ns at 5 V |
| Factory Pack Quantity | 2500 | 36 | - |
| Subcategory | Logic ICs | Logic ICs | - |
| Unit Weight | 0.006737 oz | 0.028254 oz | 0.006737 oz |
| Package Case | - | - | TSSOP-20 |
| Operating Temperature | - | - | -40°C ~ 85°C |
| Mounting Type | - | - | Surface Mount |
| Voltage Supply | - | - | 4.5 V ~ 5.5 V |
| Supplier Device Package | - | - | 20-TSSOP |
| Number of Elements | - | - | 1 |
| Current Output High Low | - | - | 8mA, 8mA |
| Number of Bits per Element | - | - | 8 |
| Supply Voltage Max | - | - | 5.5 V |
| Supply Voltage Min | - | - | 4.5 V |