| PartNumber | M74HC688RM13TR | M74HC688B1R | M74HC688TTR |
| Description | Logic Comparators 8-Bit Equality Comp | IC COMPARATOR EQUALITY 8B 20DIP | Logic Comparators 8-Bit Equality Comp |
| Manufacturer | STMicroelectronics | - | STMicroelectronics |
| Product Category | Logic Comparators | - | Logic - Comparators |
| RoHS | Y | - | - |
| Comparator Type | Identity | - | Identity |
| Number of Bits | 8 bit | - | 8 |
| Logic Function | A = B | - | A = B |
| Output Type | Active Low | - | Active Low |
| Supply Voltage Max | 6 V | - | - |
| Supply Voltage Min | 2 V | - | - |
| Minimum Operating Temperature | - 55 C | - | - 55 C |
| Maximum Operating Temperature | + 125 C | - | + 125 C |
| Propagation Delay Time | 170 ns, 34 ns, 29 ns | - | 170 ns 34 ns 29 ns |
| Mounting Style | SMD/SMT | - | SMD/SMT |
| Package / Case | SO-20 | - | - |
| Packaging | Reel | - | Digi-ReelR |
| Product | Digital Comparators | - | Digital Comparators |
| Series | M74HC688 | - | 74HC |
| Brand | STMicroelectronics | - | - |
| Input Voltage Range | 0.5 to + 0.5 V | - | - |
| Ib Input Bias Current | 0.004 mA | - | - |
| Operating Supply Voltage | 2.5 V, 3.3 V, 5 V | - | - |
| Polarity | Inverting | - | - |
| Product Type | Logic Comparators | - | - |
| Factory Pack Quantity | 1000 | - | - |
| Subcategory | Logic ICs | - | - |
| Unit Weight | 0.009408 oz | - | 0.006737 oz |
| Type | - | - | Identity Comparator |
| Package Case | - | - | TSSOP-20 |
| Operating Temperature | - | - | -55°C ~ 125°C |
| Mounting Type | - | - | Surface Mount |
| Voltage Supply | - | - | 2 V ~ 6 V |
| Output | - | - | Active Low |
| Output Function | - | - | A=B |
| Current Output High Low | - | - | 5.2mA, 5.2mA |
| Max Propagation Delay V Max CL | - | - | 29ns @ 6V, 50pF |
| Current Quiescent | - | - | 4μA |
| Supply Voltage Max | - | - | 6 V |
| Supply Voltage Min | - | - | 2 V |