| 165921 | 74HCT273DB | Octal D-type flip-flop with reset; positive-edge trigger | Nexperia |
| 165922 | 74HCT273DB | Octal D-type flip-flop with reset; positive-edge trigger | NXP Semiconductors |
| 165923 | 74HCT273DB | 74HC/HCT273; Octal D-type flip-flop with reset; positive-edge trigger | Philips |
| 165924 | 74HCT273N | Octal D-type flip-flop with reset; positive-edge trigger | NXP Semiconductors |
| 165925 | 74HCT273N | 74HC/HCT273; Octal D-type flip-flop with reset; positive-edge trigger | Philips |
| 165926 | 74HCT273NB | Octal D-type flip-flop with reset; positive-edge trigger | Philips |
| 165927 | 74HCT273PW | Octal D-type flip-flop with reset; positive-edge trigger | Nexperia |
| 165928 | 74HCT273PW | Octal D-type flip-flop with reset; positive-edge trigger | NXP Semiconductors |
| 165929 | 74HCT273PW | 74HC/HCT273; Octal D-type flip-flop with reset; positive-edge trigger | Philips |
| 165930 | 74HCT273PW-Q100 | Octal D-type flip-flop with reset; positive-edge trigger | Nexperia |
| 165931 | 74HCT273PW-Q100 | Octal D-type flip-flop with reset; positive-edge trigger | NXP Semiconductors |
| 165932 | 74HCT273U | Octal D-type flip-flop with reset; positive-edge trigger | Philips |
| 165933 | 74HCT27BQ | Triple 3-input NOR gate | Nexperia |
| 165934 | 74HCT27BQ | Triple 3-input NOR gate | NXP Semiconductors |
| 165935 | 74HCT27BQ-Q100 | Triple 3-input NOR gate | Nexperia |
| 165936 | 74HCT27BQ-Q100 | Triple 3-input NOR gate | NXP Semiconductors |
| 165937 | 74HCT27D | Triple 3-input NOR gate | Nexperia |
| 165938 | 74HCT27D | Triple 3-input NOR gate | NXP Semiconductors |
| 165939 | 74HCT27D | 74HC/HCT27; Triple 3-input NOR gate | Philips |
|
| 165940 | 74HCT27D-Q100 | Triple 3-input NOR gate | Nexperia |
| 165941 | 74HCT27D-Q100 | Triple 3-input NOR gate | NXP Semiconductors |
| 165942 | 74HCT27DB | Triple 3-input NOR gate | Nexperia |
| 165943 | 74HCT27DB | Triple 3-input NOR gate | NXP Semiconductors |
| 165944 | 74HCT27DB | 74HC/HCT27; Triple 3-input NOR gate | Philips |
| 165945 | 74HCT27N | Triple 3-input NOR gate | NXP Semiconductors |
| 165946 | 74HCT27N | 74HC/HCT27; Triple 3-input NOR gate | Philips |
| 165947 | 74HCT27PW | Triple 3-input NOR gate | Nexperia |
| 165948 | 74HCT27PW | Triple 3-input NOR gate | NXP Semiconductors |
| 165949 | 74HCT27PW | 74HC/HCT27; Triple 3-input NOR gate | Philips |
| 165950 | 74HCT27PW-Q100 | Triple 3-input NOR gate | Nexperia |
| 165951 | 74HCT27PW-Q100 | Triple 3-input NOR gate | NXP Semiconductors |
| 165952 | 74HCT280 | 9-bit odd/even parity generator/checker | Philips |
| 165953 | 74HCT280D | 9-bit odd/even parity generator/checker | Nexperia |
| 165954 | 74HCT280D | 9-bit odd/even parity generator/checker | NXP Semiconductors |
| 165955 | 74HCT280D | 74HC/HCT280; 9-bit odd/even parity generator/checker | Philips |
| 165956 | 74HCT280DB | 9-bit odd/even parity generator/checker | Nexperia |
| 165957 | 74HCT280DB | 9-bit odd/even parity generator/checker | NXP Semiconductors |
| 165958 | 74HCT280DB | 74HC/HCT280; 9-bit odd/even parity generator/checker | Philips |
| 165959 | 74HCT280N | 9-bit odd/even parity generator/checker | NXP Semiconductors |
| 165960 | 74HCT280N | 74HC/HCT280; 9-bit odd/even parity generator/checker | Philips |
