| 128201 | 74ABT377DB | Octal D-type flip-flop with enable | Philips |
| 128202 | 74ABT377N | Octal D-type flip-flop with enable | Philips |
| 128203 | 74ABT377PW | Octal D-type flip-flop with enable | Philips |
| 128204 | 74ABT377PWADH | Octal D-type flip-flop with enable | Philips |
| 128205 | 74ABT5074 | Synchronizing dual D-type flip-flop with metastable immune characteristics | Philips |
| 128206 | 74ABT5074D | Synchronizing dual D-type flip-flop with metastable immune characteristics | Philips |
| 128207 | 74ABT5074DB | Synchronizing dual D-type flip-flop with metastable immune characteristics | Philips |
| 128208 | 74ABT5074N | Synchronizing dual D-type flip-flop with metastable immune characteristics | Philips |
| 128209 | 74ABT5074PW | Synchronizing dual D-type flip-flop with metastable immune characteristics | Philips |
| 128210 | 74ABT534A | Octal D-type flip-flop, inverting (3-State) | Philips |
| 128211 | 74ABT534AD | Octal D-type flip-flop, inverting 3-State | Philips |
| 128212 | 74ABT534ADB | Octal D-type flip-flop, inverting 3-State | Philips |
| 128213 | 74ABT534AN | Octal D-type flip-flop, inverting 3-State | Philips |
| 128214 | 74ABT534APW | Octal D-type flip-flop, inverting 3-State | Philips |
| 128215 | 74ABT534APWDH | Octal D-type flip-flop, inverting 3-State | Philips |
| 128216 | 74ABT534D | Octal D-type flip-flop, inverting (3-State) | Philips |
| 128217 | 74ABT534DB | Octal D-type flip-flop, inverting (3-State) | Philips |
| 128218 | 74ABT534N | Octal D-type flip-flop, inverting (3-State) | Philips |
| 128219 | 74ABT534PW | Octal D-type flip-flop, inverting (3-State) | Philips |
|
| 128220 | 74ABT540 | Octal buffer, inverting (3-State) | Philips |
| 128221 | 74ABT540D | Octal buffer, inverting (3-State) | NXP Semiconductors |
| 128222 | 74ABT540D | Octal buffer, inverting 3-State | Philips |
| 128223 | 74ABT540DB | Octal buffer, inverting (3-State) | NXP Semiconductors |
| 128224 | 74ABT540DB | Octal buffer, inverting 3-State | Philips |
| 128225 | 74ABT540N | Octal buffer, inverting (3-State) | NXP Semiconductors |
| 128226 | 74ABT540N | Octal buffer, inverting 3-State | Philips |
| 128227 | 74ABT540PW | Octal buffer, inverting (3-State) | NXP Semiconductors |
| 128228 | 74ABT540PW | Octal buffer, inverting 3-State | Philips |
| 128229 | 74ABT540PWDH | Octal buffer, inverting 3-State | Philips |
| 128230 | 74ABT541 | Octal Buffer/Line Driver with 3-STATE Outputs | Fairchild Semiconductor |
| 128231 | 74ABT541 | Octal Buffer/Line Driver with TRI-STATE Outputs | National Semiconductor |
| 128232 | 74ABT541 | Octal buffer/line driver (3-State) | Philips |
| 128233 | 74ABT541CMSA | Octal Buffer/Line Driver with 3-STATE Outputs | Fairchild Semiconductor |
| 128234 | 74ABT541CMSAX | Octal Buffer/Line Driver with 3-STATE Outputs | Fairchild Semiconductor |
| 128235 | 74ABT541CMTC | Octal Buffer/Line Driver with 3-STATE Outputs | Fairchild Semiconductor |
| 128236 | 74ABT541CMTCX | Octal Buffer/Line Driver with 3-STATE Outputs | Fairchild Semiconductor |
| 128237 | 74ABT541CPC | Octal Buffer/Line Driver with 3-STATE Outputs | Fairchild Semiconductor |
| 128238 | 74ABT541CSC | Octal Buffer/Line Driver with 3-STATE Outputs | Fairchild Semiconductor |
| 128239 | 74ABT541CSCX | Octal Buffer/Line Driver with 3-STATE Outputs | Fairchild Semiconductor |
| 128240 | 74ABT541CSJ | Octal Buffer/Line Driver with 3-STATE Outputs | Fairchild Semiconductor |
