Practical Electronics/74 Series
| Code | Meaning |
|---|---|
| Texas Instruments | |
| 165 | Parallel to serial 8 bit synchronous shift registers with complementary output |
| 165A | Parallel to serial 8 bit asynchronous shift registers with complementary output |
| 166 | Parallel to serial 8 bit synchronous shift registers with clear pin |
| 166A | Parallel to serial 8 bit asynchronous shift registers with clear pin |
| 673 | Serial to parallel 16 bit shift registers |
| 674 | Parallel to serial 16 bit shift registers |