| PartNumber | SN74LS173AD | SN74LS173ADR | SN74LS173ADRE4 |
| Description | Flip Flops 4-Bit D-type Reg With 3-State Outputs | Flip Flops 4-Bit D-type Reg With 3-State Outputs | Flip Flops 4-Bit D-type Reg With 3-State Outputs |
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Category | Flip Flops | Flip Flops | Flip Flops |
| RoHS | Y | Y | Y |
| Number of Circuits | 1 | 1 | 1 |
| Logic Family | LS | 74LS | 74LS |
| Logic Type | D-Type Register | D-Type Register | D-Type Register |
| Polarity | Non-Inverting | Non-Inverting | Non-Inverting |
| Input Type | TTL | Single-Ended | Single-Ended |
| Output Type | 3-State | Single-Ended | Single-Ended |
| Propagation Delay Time | 30 ns | 30 ns | 30 ns |
| High Level Output Current | - 2.6 mA | - 2.6 mA | - 2.6 mA |
| Low Level Output Current | 24 mA | 24 mA | 24 mA |
| Supply Voltage Min | 4.75 V | 4.75 V | 4.75 V |
| Supply Voltage Max | 5.25 V | 5.25 V | 5.25 V |
| Minimum Operating Temperature | 0 C | 0 C | 0 C |
| Maximum Operating Temperature | + 70 C | + 70 C | + 70 C |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | SOP-16 | SOIC-16 | SOP-16 |
| Packaging | Tube | Reel | Reel |
| Function | D-Type Bus Interface | D-Type Bus Interface | D-Type Bus Interface |
| Height | 1.58 mm | 1.58 mm | 1.58 mm |
| Length | 9.9 mm | 9.9 mm | 9.9 mm |
| Operating Temperature Range | 0 C to + 70 C | - | - |
| Series | SN74LS173A | - | - |
| Width | 3.91 mm | 3.91 mm | 3.91 mm |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments |
| Number of Channels | 4 | 4 | 4 |
| Number of Input Lines | 2 | 2 | 2 |
| Number of Output Lines | 1 | 1 | 1 |
| Operating Supply Voltage | 5 V | 4.75 V to 5.25 V | 4.75 V to 5.25 V |
| Product Type | Flip Flops | Flip Flops | Flip Flops |
| Reset Type | Master Reset | Master Reset | Master Reset |
| Factory Pack Quantity | 40 | 1 | 1 |
| Subcategory | Logic ICs | Logic ICs | Logic ICs |
| Unit Weight | 0.004998 oz | 0.023492 oz | 0.023492 oz |