| PartNumber | MM74HC244MTCX | MM74HC244MTC | MM74HC244SJ |
| Description | Buffers & Line Drivers Octal 3-STATE Buffer | Buffers & Line Drivers Octal 3-STATE Buffer | Buffers & Line Drivers Octal 3-STATE Buffer |
| Manufacturer | ON Semiconductor | ON Semiconductor | ON Semiconductor |
| Product Category | Buffers & Line Drivers | Buffers & Line Drivers | Buffers & Line Drivers |
| RoHS | Y | Y | Y |
| Number of Input Lines | 8 Input | 8 Input | 8 Input |
| Number of Output Lines | 8 Output | 8 Output | 8 Output |
| Polarity | Non-Inverting | Non-Inverting | Non-Inverting |
| Supply Voltage Max | 6 V | 6 V | 6 V |
| Supply Voltage Min | 2 V | 2 V | 2 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 | TSSOP-20 | SOP-20 |
| Packaging | Reel | Tube | Tube |
| Function | Buffer/Line Driver | Buffer/Line Driver | Buffer/Line Driver |
| Height | 0.9 mm | 0.9 mm | 1.8 mm |
| Length | 6.5 mm | 6.5 mm | 12.6 mm |
| Output Type | 3-State | 3-State | 3-State |
| Quiescent Current | 8 uA | 8 uA | 8 uA |
| Series | MM74HC244 | MM74HC244 | MM74HC244 |
| Technology | CMOS | CMOS | CMOS |
| Width | 4.4 mm | 4.4 mm | 5.3 mm |
| Brand | ON Semiconductor / Fairchild | ON Semiconductor / Fairchild | ON Semiconductor / Fairchild |
| Logic Family | HC | HC | HC |
| Logic Type | CMOS | CMOS | CMOS |
| Number of Channels | 8 | 8 | 8 |
| Supply Current Max | 8 uA | 8 uA | 8 uA |
| High Level Output Current | - 7.8 mA | - 7.8 mA | - 7.8 mA |
| Input Signal Type | Single-Ended | Single-Ended | Single-Ended |
| Low Level Output Current | 7.8 mA | 7.8 mA | 7.8 mA |
| Operating Supply Voltage | 2 V to 6 V | 2 V to 6 V | 2 V to 6 V |
| Pd Power Dissipation | 500 mW (1/2 W) | 500 mW (1/2 W) | 500 mW (1/2 W) |
| Product Type | Buffers & Line Drivers | Buffers & Line Drivers | Buffers & Line Drivers |
| Propagation Delay Time | 165 ns at 2 V, 33 ns at 4.5 V, 28 ns at 6 V | 165 ns at 2 V, 33 ns at 4.5 V, 28 ns at 6 V | 165 ns at 2 V, 33 ns at 4.5 V, 28 ns at 6 V |
| Factory Pack Quantity | 2500 | 1825 | 38 |
| Subcategory | Logic ICs | Logic ICs | Logic ICs |
| Part # Aliases | MM74HC244MTCX_NL | - | - |
| Unit Weight | 0.006737 oz | 0.006737 oz | 0.009408 oz |