| PartNumber | SN74LS31D | SN74LS31DRE4 | SN74LS31DR |
| Description | Delay Lines / Timing Elements Hex Delay Elements | Delay Lines / Timing Elements Hex Delay Elements | IC HEX DELAY ELEMENT 16-SOIC |
| Manufacturer | Texas Instruments | Texas Instruments | - |
| Product Category | Delay Lines / Timing Elements | Delay Lines / Timing Elements | - |
| RoHS | Y | Y | - |
| Series | SN74LS31 | - | - |
| Supply Voltage Max | 5.25 V | 5.25 V | - |
| Supply Voltage Min | 4.75 V | 4.75 V | - |
| Maximum Operating Temperature | + 70 C | + 70 C | - |
| Minimum Operating Temperature | 0 C | 0 C | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | SOP-16 | SOP-16 | - |
| Packaging | Tube | Reel | - |
| Brand | Texas Instruments | Texas Instruments | - |
| Logic Family | 74LS | 74LS | - |
| Logic Type | 2-Input NAND | 2-Input NAND | - |
| Product Type | Delay Lines / Timing Elements | Delay Lines / Timing Elements | - |
| Factory Pack Quantity | 40 | 1 | - |
| Subcategory | Clock & Timer ICs | Clock & Timer ICs | - |
| Unit Weight | 0.004938 oz | 0.023492 oz | - |
| Function | - | Active Multiple Delay Line | - |
| Height | - | 1.58 mm | - |
| Length | - | 9.9 mm | - |
| Width | - | 3.91 mm | - |