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| PartNumber | DM74ALS240ASJ | DM74ALS240AN | DM74ALS240ASJX |
| Description | Buffers & Line Drivers Oct 3-STATE Bus Drv | IC BUFFER INVERT 5.5V 20DIP | IC BUFFER INVERT 5.5V 20SOP |
| Manufacturer | ON Semiconductor | Fairchild Semiconductor | Fairchild Semiconductor |
| Product Category | Buffers & Line Drivers | Logic - Buffers, Drivers, Receivers, Transceivers | Logic - Buffers, Drivers, Receivers, Transceivers |
| RoHS | Y | - | - |
| Number of Input Lines | 8 Input | - | - |
| Number of Output Lines | 1 Output | - | - |
| Polarity | Inverting | - | - |
| Supply Voltage Max | 5.5 V | - | - |
| Supply Voltage Min | 4.5 V | - | - |
| Minimum Operating Temperature | 0 C | - | - |
| Maximum Operating Temperature | + 70 C | - | - |
| Mounting Style | SMD/SMT | - | - |
| Package / Case | SOP-20 | - | - |
| Packaging | Tube | Tube | Tape & Reel (TR) |
| Function | Buffer/Line Driver | - | - |
| Height | 1.8 mm | - | - |
| Length | 12.6 mm | - | - |
| Output Type | 3-State | - | - |
| Technology | Bipolar | - | - |
| Width | 5.3 mm | - | - |
| Brand | ON Semiconductor / Fairchild | - | - |
| Logic Family | ALS | - | - |
| Logic Type | Bipolar | Buffer/Line Driver, Inverting | Buffer/Line Driver, Inverting |
| Number of Channels | 8 | - | - |
| High Level Output Current | - 15 mA | - | - |
| Input Signal Type | Single-Ended | - | - |
| Low Level Output Current | 24 mA | - | - |
| Operating Supply Voltage | 4.5 V to 5.5 V | - | - |
| Product Type | Buffers & Line Drivers | - | - |
| Propagation Delay Time | 9 ns at 4.5 V to 5.5 V | - | - |
| Factory Pack Quantity | 38 | - | - |
| Subcategory | Logic ICs | - | - |
| Unit Weight | 0.009408 oz | - | - |
| Series | - | 74ALS | 74ALS |
| Package Case | - | 20-DIP (0.300", 7.62mm) | 20-SOIC (0.209", 5.30mm Width) |
| Operating Temperature | - | 0°C ~ 70°C | 0°C ~ 70°C |
| Mounting Type | - | Through Hole | Surface Mount |
| Voltage Supply | - | 4.5 V ~ 5.5 V | 4.5 V ~ 5.5 V |
| Supplier Device Package | - | 20-DIP | 20-SOP |
| Number of Elements | - | 2 | 2 |
| Current Output High Low | - | 15mA, 24mA | 15mA, 24mA |
| Number of Bits per Element | - | 4 | 4 |