| 166921 | 74HCT648N | Octal bus transceiver/register; 3-state; inverting | Philips |
| 166922 | 74HCT648N3 | Octal bus transceiver/register; 3-state; inverting | Philips |
| 166923 | 74HCT648U | Octal bus transceiver/register; 3-state; inverting | Philips |
| 166924 | 74HCT652 | 3-state | Philips |
| 166925 | 74HCT652D | Octal bus transceiver/register; 3-state | NXP Semiconductors |
| 166926 | 74HCT652D | Octal bus transceiver/register; 3-state | Philips |
| 166927 | 74HCT652N | Octal bus transceiver/register; 3-state | NXP Semiconductors |
| 166928 | 74HCT652N | Octal bus transceiver/register; 3-state | Philips |
| 166929 | 74HCT670 | 3-state | Philips |
| 166930 | 74HCT670D | 4 x 4 register file; 3-state | NXP Semiconductors |
| 166931 | 74HCT670D | 74HC/HCT670; 4 x 4 register file; 3-state | Philips |
| 166932 | 74HCT670DB | 4 x 4 register file; 3-state | NXP Semiconductors |
| 166933 | 74HCT670DB | 74HC/HCT670; 4 x 4 register file; 3-state | Philips |
| 166934 | 74HCT670N | 4 x 4 register file; 3-state | NXP Semiconductors |
| 166935 | 74HCT670N | 74HC/HCT670; 4 x 4 register file; 3-state | Philips |
| 166936 | 74HCT670U | 4 x 4 register file; 3-state | Philips |
| 166937 | 74HCT688 | 8-bit magnitude comparator | Philips |
| 166938 | 74HCT688D | 8-bit magnitude comparator | NXP Semiconductors |
| 166939 | 74HCT688D | 74HC/HCT688; 8-bit magnitude comparator | Philips |
|
| 166940 | 74HCT688DB | 8-bit magnitude comparator | NXP Semiconductors |
| 166941 | 74HCT688DB | 74HC/HCT688; 8-bit magnitude comparator | Philips |
| 166942 | 74HCT688N | 8-bit magnitude comparator | NXP Semiconductors |
| 166943 | 74HCT688N | 74HC/HCT688; 8-bit magnitude comparator | Philips |
| 166944 | 74HCT688NB | 8-bit magnitude comparator | Philips |
| 166945 | 74HCT688PW | 8-bit magnitude comparator | NXP Semiconductors |
| 166946 | 74HCT688PW | 74HC/HCT688; 8-bit magnitude comparator | Philips |
| 166947 | 74HCT688U | 8-bit magnitude comparator | Philips |
| 166948 | 74HCT7030 | 9-bit x 64-word FIFO register; 3-state | Philips |
| 166949 | 74HCT7030D | 9-bit x 64-word FIFO register; 3-state | NXP Semiconductors |
| 166950 | 74HCT7030D | 74HC/HCT7030; 9-bit x 64-word FIFO register; 3-state | Philips |
| 166951 | 74HCT7030N | 9-bit x 64-word FIFO register; 3-state | NXP Semiconductors |
| 166952 | 74HCT7030N | 74HC/HCT7030; 9-bit x 64-word FIFO register; 3-state | Philips |
| 166953 | 74HCT7046A | Phase-locked-loop with lock detector | Philips |
| 166954 | 74HCT7046AD | Phase-locked-loop with lock detector | NXP Semiconductors |
| 166955 | 74HCT7046AD | 74HC/HCT7046A; Phase-locked-loop with lock detector | Philips |
| 166956 | 74HCT7046AN | Phase-locked-loop with lock detector | NXP Semiconductors |
| 166957 | 74HCT7046AN | 74HC/HCT7046A; Phase-locked-loop with lock detector | Philips |
| 166958 | 74HCT7046AU | Phase-locked-loop with lock detector | Philips |
| 166959 | 74HCT7080 | 16-bit even/odd parity generator/checker | Philips |
| 166960 | 74HCT7245 | Octal bus Schmitt-trigger transceiver; 3-state | Philips |
