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| Part Number | 54LS139LMQB | 54LS138LMQB |
|---|---|---|
| Manufacturer | National Semiconductor | National Semiconductor |
| Product Status | Active | Active |
| Type | - | - |
| Protocol | - | - |
| Number of Drivers/Receivers | - | - |
| Duplex | - | - |
| Receiver Hysteresis | - | - |
| Data Rate | - | - |
| Voltage - Supply | - | - |
| Operating Temperature | - | - |
| Mounting Type | - | - |
| Package / Case | - | - |
| Supplier Device Package | - | - |
