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| PartNumber | M74HC51B | M74HC51B1 | M74HC51B1R |
| Description | Logic Gates Dual AND/OR Gate | ||
| Manufacturer | - | - | STMicroelectronics |
| Product Category | - | - | Logic - Gates and Inverters - Multi-Function, Configurable |
| Series | - | - | 74HC |
| Packaging | - | - | Tube |
| Package Case | - | - | 14-DIP (0.300", 7.62mm) |
| Operating Temperature | - | - | -55°C ~ 125°C |
| Mounting Type | - | - | Through Hole |
| Output Type | - | - | Single-Ended |
| Voltage Supply | - | - | 2 V ~ 6 V |
| Supplier Device Package | - | - | 14-DIP |
| Number of Circuits | - | - | 2 |
| Number of Inputs | - | - | |
| Current Output High Low | - | - | 5.2mA, 5.2mA |
| Logic Type | - | - | AND/OR/INVERT Gate |
| Schmitt Trigger Input | - | - | No |