 |  |  | |
| PartNumber | M74HCT540B1R | M74HCT540RM13TR | M74HCT540B1 |
| Description | Buffers & Line Drivers Octal Bus Buffer | Buffers & Line Drivers Octal Bus Buffer | Driver/Buffer Device, Single, 8-Bit, 20 Pin, Plastic, DIP |
| Manufacturer | STMicroelectronics | STMicroelectronics | - |
| Product Category | Buffers & Line Drivers | Buffers & Line Drivers | - |
| RoHS | Y | Y | - |
| Number of Input Lines | 8 Input | 8 Input | - |
| Number of Output Lines | 3 Output | 3 Output | - |
| Polarity | Inverting | Inverting | - |
| Supply Voltage Max | 5.5 V | 5.5 V | - |
| Supply Voltage Min | 4.5 V | 4.5 V | - |
| Minimum Operating Temperature | - 55 C | - 55 C | - |
| Maximum Operating Temperature | + 125 C | + 125 C | - |
| Mounting Style | Through Hole | SMD/SMT | - |
| Package / Case | DIP-20 | SOP-20 | - |
| Packaging | Tube | Reel | - |
| Function | Buffer/Line Driver | Buffer/Line Driver | - |
| Height | 2.68 mm (Max) | 2.45 mm (Max) | - |
| Length | 25.4 mm (Max) | 13 mm (Max) | - |
| Output Type | 3-State | 3-State | - |
| Quiescent Current | 4 uA | 4 uA | - |
| Series | M74HCT540 | M74HCT540 | - |
| Technology | CMOS | CMOS | - |
| Width | 7.1 mm (Max) | 7.6 mm (Max) | - |
| Brand | STMicroelectronics | STMicroelectronics | - |
| Logic Family | HCT | HCT | - |
| Logic Type | CMOS | CMOS | - |
| Number of Channels | 8 | 8 | - |
| Supply Current Max | 4 uA | 4 uA | - |
| High Level Output Current | - 6 mA | - 6 mA | - |
| Input Signal Type | Single-Ended | Single-Ended | - |
| Low Level Output Current | 6 mA | 6 mA | - |
| Operating Supply Voltage | 4.5 V to 5.5 V | 4.5 V to 5.5 V | - |
| Pd Power Dissipation | 500 mW (1/2 W) | 500 mW (1/2 W) | - |
| Product Type | Buffers & Line Drivers | Buffers & Line Drivers | - |
| Propagation Delay Time | 25 ns at 4.5 V | 25 ns at 4.5 V | - |
| Factory Pack Quantity | 20 | 1000 | - |
| Subcategory | Logic ICs | Logic ICs | - |
| Unit Weight | 0.088502 oz | 0.009408 oz | - |