 |  |  | |
| PartNumber | M74HCT688B1R | M74HCT688RM13TR | M74HCT688M1R |
| Description | Logic Comparators 8-Bit Equality Comp | Logic Comparators 8-Bit Equality Comp | |
| Manufacturer | STMicroelectronics | STMicroelectronics | - |
| Product Category | Logic Comparators | Logic Comparators | - |
| RoHS | Y | Y | - |
| Comparator Type | Identity | Identity | - |
| Number of Bits | 8 bit | 8 bit | - |
| Logic Function | A = B | A = B | - |
| Output Type | Active Low | Active Low | - |
| Supply Voltage Max | 5.5 V | 5.5 V | - |
| Supply Voltage Min | 4.5 V | 4.5 V | - |
| Minimum Operating Temperature | - 55 C | - 55 C | - |
| Maximum Operating Temperature | + 125 C | + 125 C | - |
| Propagation Delay Time | 32 ns | 32 ns | - |
| Mounting Style | Through Hole | SMD/SMT | - |
| Package / Case | PDIP-20 | SO-20 | - |
| Packaging | Tube | Reel | - |
| Product | Digital Comparators | Digital Comparators | - |
| Series | M74HCT688 | M74HCT688 | - |
| Brand | STMicroelectronics | STMicroelectronics | - |
| Input Voltage Range | - 0.5 V to + 0.5 V | 0.5 to + 0.5 V | - |
| Ib Input Bias Current | 0.004 mA | 0.004 mA | - |
| Operating Supply Voltage | 5 V | 5 V | - |
| Polarity | Inverting | Inverting | - |
| Product Type | Logic Comparators | Logic Comparators | - |
| Factory Pack Quantity | 20 | 1000 | - |
| Subcategory | Logic ICs | Logic ICs | - |
| Unit Weight | 0.079719 oz | 0.009408 oz | - |