| Manufacturer | Part Number | Description |
|---|---|---|
NXP Semiconductors
| 74173 | Quad D-type flip-flop; positive-edge trigger; 3-state |
| DM74173 | Quad D Registers | |
Motorola Semiconductor (now NXP Semiconductors)
| 74173 | Quad 3-State D Flip-Flop |
Texas Instruments
| SN74173 | 4-BIT D-TYPE REGISTERS |
| 74173 | 4-bit D-type Register |