| Part Number | M74HC688B1R | M74HCT688B1R |
|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics |
| Category | Logic - Comparators | Logic - Comparators |
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| Product Status | Obsolete | Obsolete |
| Type | Identity Comparator | Identity Comparator |
| Number of Bits | 8 | 8 |
| Output | Active Low | Active Low |
| Output Function | A=B | A=B |
| Voltage - Supply | 2V ~ 6V | 4.5V ~ 5.5V |
| Current - Output High, Low | 5.2mA, 5.2mA | 4mA, 4mA |
| Max Propagation Delay @ V, Max CL | 29ns @ 6V, 50pF | 32ns @ 4.5V, 50pF |
| Current - Quiescent (Iq) | 4 µA | 4 µA |
| Operating Temperature | -55°C ~ 125°C | -55°C ~ 125°C |
| Package / Case | 20-DIP (0.300", 7.62mm) | 20-DIP (0.300", 7.62mm) |
| Supplier Device Package | 20-DIP | 20-DIP |
| Mounting Type | Through Hole | Through Hole |