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| PartNumber | SN74LS27DR | SN74LS27D | SN74LS27DR2 |
| Description | Logic Gates Triple 3-input Positive-NOR gates | Logic Gates Triple 3-input Positive-NOR gates | Logic Circuit, 3 3-Input NOR, LS-TTL, 14 Pin, Plastic, SOP |
| Manufacturer | Texas Instruments | Texas Instruments | MOT |
| Product Category | Logic Gates | Logic Gates | IC Chips |
| RoHS | Y | Y | - |
| Product | Single-Function Gate | Single-Function Gate | - |
| Logic Function | NOR | NOR | - |
| Logic Family | LS | LS | - |
| Number of Gates | 3 Gate | 3 Gate | - |
| Number of Input Lines | 3 Input | 3 Input | - |
| Number of Output Lines | 1 Output | 1 Output | - |
| High Level Output Current | - 16 mA | - 16 mA | - |
| Low Level Output Current | 0.8 mA | 0.8 mA | - |
| Propagation Delay Time | 15 ns | 15 ns | - |
| Supply Voltage Max | 5.25 V | 5.25 V | - |
| Supply Voltage Min | 4.75 V | 4.75 V | - |
| Minimum Operating Temperature | 0 C | 0 C | - |
| Maximum Operating Temperature | + 70 C | + 70 C | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | SOIC-14 | SOIC-14 | - |
| Packaging | Reel | Tube | - |
| Function | NOR | NOR | - |
| Height | 1.58 mm | 1.58 mm | - |
| Input Type | TTL | TTL | - |
| Length | 8.65 mm | 8.65 mm | - |
| Operating Temperature Range | 0 C to + 70 C | 0 C to + 70 C | - |
| Output Type | TTL | TTL | - |
| Series | SN74LS27 | SN74LS27 | - |
| Width | 3.91 mm | 3.91 mm | - |
| Brand | Texas Instruments | Texas Instruments | - |
| Logic Type | 3-Input NOR | 3-Input NOR | - |
| Number of Bits | 3 bit | 3 bit | - |
| Operating Supply Current | 26 uA | 26 uA | - |
| Operating Supply Voltage | 5 V | 5 V | - |
| Product Type | Logic Gates | Logic Gates | - |
| Factory Pack Quantity | 2500 | 50 | - |
| Subcategory | Logic ICs | Logic ICs | - |
| Unit Weight | 0.004564 oz | 0.004564 oz | - |