| Part Number | MM74HC688WMX | MM74HCT688WMX |
|---|---|---|
| Manufacturer | Fairchild Semiconductor | National Semiconductor |
| Category | Logic - Comparators | Logic - Comparators |
|
|
|
| Product Status | Obsolete | Active |
| 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 | 30ns @ 6V, 50pF | 34ns @ 4.5V, 50pF |
| Current - Quiescent (Iq) | 8 µA | 8 µA |
| Operating Temperature | -40°C ~ 85°C | -55°C ~ 125°C |
| Package / Case | 20-SOIC (0.295", 7.50mm Width) | 20-SOIC (0.295", 7.50mm Width) |
| Supplier Device Package | 20-SOIC | 20-SOIC |
| Mounting Type | Surface Mount | Surface Mount |