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| PartNumber | SN74HC27D | SN74HC27DBR | SN74HC27DG4 |
| Description | Logic Gates Triple 3-Input | Logic Gates Triple 3-Input Positive NOR Gates | NOR Gate 3-Element 3-IN CMOS 14-Pin SOIC Tube - Bulk (Alt: SN74HC27DG4) |
| Manufacturer | Texas Instruments | Texas Instruments | - |
| Product Category | Logic Gates | Logic Gates | - |
| RoHS | Y | Y | - |
| Product | Single-Function Gate | Single-Function Gate | - |
| Logic Function | NOR | NOR | - |
| Logic Family | HC | HC | - |
| Number of Gates | 3 Gate | 3 Gate | - |
| Number of Input Lines | 3 Input | 9 Input | - |
| Number of Output Lines | 1 Output | 3 Output | - |
| High Level Output Current | - 4 mA | - 5.2 mA | - |
| Low Level Output Current | 4 mA | 5.2 mA | - |
| Propagation Delay Time | 23 ns | 9 ns at 6 V | - |
| Supply Voltage Max | 6 V | 6 V | - |
| Supply Voltage Min | 2 V | 2 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | SOIC-14 | SSOP-14 | - |
| Packaging | Tube | Reel | - |
| Function | Triple 3-Input | NOR | - |
| Height | 1.58 mm | 1.95 mm | - |
| Input Type | CMOS | CMOS | - |
| Length | 8.65 mm | 6.2 mm | - |
| Operating Temperature Range | - 40 C to + 85 C | - 40 C to + 85 C | - |
| Output Current | 50 mA | 4 mA | - |
| Output Type | CMOS | CMOS | - |
| Series | SN74HC27 | SN74HC27 | - |
| Width | 3.91 mm | 5.3 mm | - |
| Brand | Texas Instruments | Texas Instruments | - |
| Logic Type | 3-Input NOR | 3-Input NOR | - |
| Number of Bits | 3 bit | 3 bit | - |
| Operating Supply Current | 20 uA | 20 uA | - |
| Operating Supply Voltage | 5 V | 5 V | - |
| Product Type | Logic Gates | Logic Gates | - |
| Factory Pack Quantity | 50 | 2000 | - |
| Subcategory | Logic ICs | Logic ICs | - |
| Unit Weight | 0.004564 oz | 0.004296 oz | - |
| Output Voltage | - | 6 V | - |