| PartNumber | SN75ALS1178NS | SN75ALS1178N | SN75ALS1178NSE4 |
| Description | RS-422/RS-485 Interface IC Dual Diff Driver And Receiver | RS-422/RS-485 Interface IC Dual Diff | RS-422/RS-485 Interface IC Dual Diff Driver And Receiver |
| Manufacturer | Texas Instruments | Texas Instruments | Maxim Integrated |
| Product Category | RS-422/RS-485 Interface IC | RS-422/RS-485 Interface IC | RS-422/RS-485 Interface IC |
| Mounting Style | SMD/SMT | Through Hole | SMD/SMT |
| Package / Case | SO-16 | PDIP-16 | SOIC-8 Narrow |
| Function | Transceiver | Transceiver | Transceiver |
| Number of Drivers | 2 Driver | 2 Driver | 1 Driver |
| Number of Receivers | 2 Receiver | 2 Receiver | 1 Receiver |
| Supply Voltage Min | 4.75 V | - | - |
| Supply Voltage Max | 5.25 V | - | - |
| Operating Supply Voltage | 5 V | 5 V | 3.3 V |
| Operating Supply Current | 35 mA | 50 mA | 1.9 mA |
| Minimum Operating Temperature | 0 C | 0 C | 0 C |
| Maximum Operating Temperature | + 70 C | + 70 C | + 70 C |
| Packaging | Tube | Tube | Reel |
| Input Voltage | 5 V | - | 7 V to 12 V |
| Output Current | 250 mA | - | 20 uA |
| Output Type | 3-State | - | - |
| Product | RS-422/RS-485 Transceivers | - | - |
| Type | Differential Drivers and Receivers | - | - |
| Brand | Texas Instruments | Texas Instruments | Maxim Integrated |
| Shutdown | Shutdown | - | - |
| Product Type | RS-422/RS-485 Interface IC | RS-422/RS-485 Interface IC | RS-422/RS-485 Interface IC |
| Propagation Delay Time | 15 ns | - | 23 ns, 62 ns |
| Factory Pack Quantity | 50 | 25 | 2500 |
| Subcategory | Interface ICs | Interface ICs | Interface ICs |
| RoHS | - | Y | Y |
| Series | - | SN75ALS1178 | MAX3490E |
| Data Rate | - | 10 Mb/s | 10 Mb/s |
| Height | - | 4.57 mm | 1.5 mm (Max) |
| Length | - | 19.3 mm | 5 mm (Max) |
| Width | - | 6.35 mm | 4 mm (Max) |
| Number of Channels | - | 1 Channel | - |
| Duplex | - | Full Duplex | - |
| Unit Weight | - | 0.033570 oz | 0.005044 oz |
| Output Voltage | - | - | 3 V |
| Pd Power Dissipation | - | - | 471 mW |
| Part # Aliases | - | - | MAX3490E |