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| PartNumber | CD74HC688E | CD74HC688EE4 | CD74HC688EX |
| Description | Logic Comparators High Speed CMOS 8-Bit Magnitude | Logic Comparators High Speed CMOS 8-Bit Magnitude | Identity Comparator, HC/UH Series, 8-Bit, Inverted Output, CMOS, PDIP20 |
| Manufacturer | Texas Instruments | - | - |
| Product Category | Logic Comparators | - | - |
| RoHS | Y | - | - |
| Comparator Type | Identity | - | - |
| Number of Bits | 8 bit | - | - |
| Logic Function | A = B | - | - |
| Output Type | Active Low | - | - |
| Supply Voltage Max | 6 V | - | - |
| Supply Voltage Min | 2 V | - | - |
| Supply Current Max | 8 uA | - | - |
| Minimum Operating Temperature | - 55 C | - | - |
| Maximum Operating Temperature | + 125 C | - | - |
| Propagation Delay Time | 170 ns, 34 ns, 29 ns | - | - |
| Mounting Style | Through Hole | - | - |
| Package / Case | PDIP-20 | - | - |
| Packaging | Tube | - | - |
| Product | Digital Comparators | - | - |
| Series | CD74HC688 | - | - |
| Brand | Texas Instruments | - | - |
| Ib Input Bias Current | 0.008 mA | - | - |
| Operating Supply Voltage | 2 V to 6 V | - | - |
| Polarity | Inverting | - | - |
| Product Type | Logic Comparators | - | - |
| Factory Pack Quantity | 20 | - | - |
| Subcategory | Logic ICs | - | - |
| Unit Weight | 0.042297 oz | - | - |