| Operating Temperature | -55°C ~ 125°C | |
| Max Propagation Delay @ V, Max CL | 34ns @ 4.5V, 50pF | |
| Current - Quiescent (Iq) | 8 µA | |
| ECCN | EAR99 | |
| Mounting Type | Through Hole | |
| Product Status | Discontinued at Digi-Key | |
| Supplier Device Package | 20-PDIP | |
| Series | 74HCT | |
| Type | Identity Comparator | |
| Package / Case | 20-DIP (0.300", 7.62mm) | |
| Voltage - Supply | 4.5V ~ 5.5V | |
| Output | Active Low | |
| REACH Status | REACH Unaffected | |
| Mfr | Texas Instruments | |
| Output Function | A=B | |
| Number of Bits | 8 | |
| HTSUS | 8542.39.0001 | |
| Package | Tube | |
| RoHS Status | ROHS3 Compliant | |
| Base Product Number | 74HCT688 | |
| Current - Output High, Low | 4mA, 4mA | |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
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