| PartNumber | SN74HC27DR | SN74HC27D | SN74HC27DBR |
| Description | Logic Gates Triple 3-Input Positive NOR Gates | Logic Gates Triple 3-Input | Logic Gates Triple 3-Input Positive NOR Gates |
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Category | Logic Gates | Logic Gates | Logic Gates |
| RoHS | Y | Y | Y |
| Product | Single-Function Gate | Single-Function Gate | Single-Function Gate |
| Logic Function | NOR | NOR | NOR |
| Logic Family | HC | HC | HC |
| Number of Gates | 3 Gate | 3 Gate | 3 Gate |
| Number of Input Lines | 3 Input | 3 Input | 9 Input |
| Number of Output Lines | 1 Output | 1 Output | 3 Output |
| High Level Output Current | - 4 mA | - 4 mA | - 5.2 mA |
| Low Level Output Current | 4 mA | 4 mA | 5.2 mA |
| Propagation Delay Time | 23 ns | 23 ns | 9 ns at 6 V |
| Supply Voltage Max | 6 V | 6 V | 6 V |
| Supply Voltage Min | 2 V | 2 V | 2 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | SOIC-14 | SOIC-14 | SSOP-14 |
| Packaging | Reel | Tube | Reel |
| Function | NOR | Triple 3-Input | NOR |
| Height | 1.58 mm | 1.58 mm | 1.95 mm |
| Input Type | CMOS | CMOS | CMOS |
| Length | 8.65 mm | 8.65 mm | 6.2 mm |
| Operating Temperature Range | - 40 C to + 85 C | - 40 C to + 85 C | - 40 C to + 85 C |
| Output Type | CMOS | CMOS | CMOS |
| Series | SN74HC27 | SN74HC27 | SN74HC27 |
| Width | 3.91 mm | 3.91 mm | 5.3 mm |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments |
| Logic Type | 3-Input NOR | 3-Input NOR | 3-Input NOR |
| Number of Bits | 3 bit | 3 bit | 3 bit |
| Operating Supply Current | 20 uA | 20 uA | 20 uA |
| Operating Supply Voltage | 5 V | 5 V | 5 V |
| Product Type | Logic Gates | Logic Gates | Logic Gates |
| Factory Pack Quantity | 2500 | 50 | 2000 |
| Subcategory | Logic ICs | Logic ICs | Logic ICs |
| Unit Weight | 0.004564 oz | 0.004564 oz | 0.004296 oz |
| Output Current | - | 50 mA | 4 mA |
| Output Voltage | - | - | 6 V |