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| PartNumber | SN74LS688DW | SN74LS688DWG4 | SN74LS688DWE4 (PB) |
| Description | Logic Comparators 8-Bit Magnitude/Id Comparator | Logic Comparators 8B Identity Magnitude Comparator | |
| Manufacturer | Texas Instruments | Texas Instruments | - |
| Product Category | Logic Comparators | Logic Comparators | - |
| RoHS | Y | Y | - |
| Comparator Type | Magnitude/Identity | Magnitude/Identity | - |
| Number of Bits | 8 bit | 8 bit | - |
| Logic Function | A = B | A = B | - |
| Output Type | Active Low | Active Low | - |
| Supply Voltage Max | 5.25 V | 5.25 V | - |
| Supply Voltage Min | 4.85 V | 4.85 V | - |
| Supply Current Max | 65 mA | 65 mA | - |
| Minimum Operating Temperature | 0 C | 0 C | - |
| Maximum Operating Temperature | + 70 C | + 70 C | - |
| Propagation Delay Time | 23 ns | 23 ns | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | SOIC-20 | SOIC-20 | - |
| Packaging | Tube | Tube | - |
| Product | Digital Comparators | Digital Comparators | - |
| Series | SN74LS688 | SN74LS688 | - |
| Brand | Texas Instruments | Texas Instruments | - |
| Operating Supply Voltage | 4.85 V to 5.25 V | 4.85 V to 5.25 V | - |
| Polarity | Inverting | Inverting | - |
| Product Type | Logic Comparators | Logic Comparators | - |
| Factory Pack Quantity | 25 | 25 | - |
| Subcategory | Logic ICs | Logic ICs | - |
| Unit Weight | 0.017662 oz | 0.017662 oz | - |