| PartNumber | SN74LS126AN | SN74LS126ANSR | SN74LS126ANS |
| Description | Buffers & Line Drivers Quad Bus Buffer With 3-State Outputs | Buffers & Line Drivers Quad Bus Buffer With 3-State Outputs | Buffers & Line Drivers Quad Bus Buffer W/3-State Outputs |
| Manufacturer | Texas Instruments | Texas Instruments | ON Semiconductor |
| Product Category | Buffers & Line Drivers | Buffers & Line Drivers | Buffers & Line Drivers |
| RoHS | Y | Y | Y |
| Number of Input Lines | 4 Input | 4 Input | - |
| Number of Output Lines | 4 Output | 4 Output | - |
| Polarity | Non-Inverting | Non-Inverting | - |
| Supply Voltage Max | 5.25 V | 5.25 V | - |
| Supply Voltage Min | 4.75 V | 4.75 V | - |
| Minimum Operating Temperature | 0 C | 0 C | - |
| Maximum Operating Temperature | + 70 C | + 70 C | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | PDIP-14 | SO-14 | - |
| Packaging | Tube | Reel | Reel |
| Function | Buffer/Line Driver | Buffer/Line Driver | - |
| Height | 3.3 mm | 1.95 mm | - |
| Length | 19.05 mm | 10.3 mm | - |
| Operating Temperature Range | 0 C to + 70 C | 0 C to + 70 C | - |
| Output Type | 3-State | 3-State | - |
| Series | SN74LS126A | SN74LS126A | MC74HC125A |
| Technology | Bipolar | Bipolar | - |
| Width | 6.35 mm | 5.3 mm | - |
| Brand | Texas Instruments | Texas Instruments | ON Semiconductor |
| Logic Family | LS | LS | - |
| Logic Type | Bipolar | Bipolar | - |
| Number of Channels | 4 | 4 Channel | - |
| High Level Output Current | - 2.6 mA | - 2.6 mA | - |
| Input Signal Type | Single-Ended | Single-Ended | - |
| Low Level Output Current | 24 mA | 24 mA | - |
| Operating Supply Current | 62 uA | 12 mA | - |
| Operating Supply Voltage | 4.75 V to 5.25 V | 4.75 V to 5.25 V | - |
| Product Type | Buffers & Line Drivers | Buffers & Line Drivers | Buffers & Line Drivers |
| Propagation Delay Time | 18 ns at 5 V | 9 ns at 5 V | - |
| Factory Pack Quantity | 25 | 2000 | 2500 |
| Subcategory | Logic ICs | Logic ICs | Logic ICs |
| Unit Weight | 0.032734 oz | 0.007348 oz | - |
| Qualification | - | - | AEC-Q100 |