| Nr. | Nombre de la parte | Descripción | Fabricante |
| 20201 | DM74LS453AN | 7 V, quad 4: 1 multiplexor | National Semiconductor |
| 20202 | DM74LS453AV | 7 V, quad 4: 1 multiplexor | National Semiconductor |
| 20203 | DM74LS453J | 7 V, quad 4: 1 multiplexor | National Semiconductor |
| 20204 | DM74LS453N | 7 V, quad 4: 1 multiplexor | National Semiconductor |
| 20205 | DM74LS460 | comparador 10-Bit | National Semiconductor |
| 20206 | DM74LS460A | comparador 10-Bit | National Semiconductor |
| 20207 | DM74LS460AJ | 7 V, 10-bit comparador | National Semiconductor |
| 20208 | DM74LS460AN | 7 V, 10-bit comparador | National Semiconductor |
| 20209 | DM74LS460AV | 7 V, 10-bit comparador | National Semiconductor |
| 20210 | DM74LS460J | 7 V, 10-bit comparador | National Semiconductor |
| 20211 | DM74LS460N | 7 V, 10-bit comparador | National Semiconductor |
| 20212 | DM74LS461 | Contador Octal | National Semiconductor |
| 20213 | DM74LS461A | Contador Octal | National Semiconductor |
| 20214 | DM74LS461AJ | 7 V, contador octal | National Semiconductor |
| 20215 | DM74LS461AN | 7 V, contador octal | National Semiconductor |
| 20216 | DM74LS461AV | 7 V, contador octal | National Semiconductor |
| 20217 | DM74LS461J | Contador Octal | National Semiconductor |
| 20218 | DM74LS461J | Contador Octal | National Semiconductor |
| 20219 | DM74LS461J | Contador Octal | National Semiconductor |
| 20220 | DM74LS461N | Contador Octal | National Semiconductor |
| 20221 | DM74LS461N | Contador Octal | National Semiconductor |
| 20222 | DM74LS461N | Contador Octal | National Semiconductor |
| 20223 | DM74LS465 | (DM81LS9Ä) Almacenador intermediario Octal De triple estado | National Semiconductor |
| 20224 | DM74LS465N | Almacenador intermediario Octal DE TRIPLE ESTADO | National Semiconductor |
| 20225 | DM74LS465N | Almacenador intermediario Octal DE TRIPLE ESTADO | National Semiconductor |
| 20226 | DM74LS465N | Almacenador intermediario Octal DE TRIPLE ESTADO | National Semiconductor |
| 20227 | DM74LS465WM | Almacenador intermediario Octal DE TRIPLE ESTADO | National Semiconductor |
| 20228 | DM74LS465WM | Almacenador intermediario Octal DE TRIPLE ESTADO | National Semiconductor |
| 20229 | DM74LS465WM | Almacenador intermediario Octal DE TRIPLE ESTADO | National Semiconductor |
| 20230 | DM74LS466 | (DM81LS9Ã) Almacenador intermediario Octal De triple estado | National Semiconductor |
| 20231 | DM74LS466N | Almacenador intermediario Octal DE TRIPLE ESTADO | National Semiconductor |
| 20232 | DM74LS466N | Almacenador intermediario Octal DE TRIPLE ESTADO | National Semiconductor |
| 20233 | DM74LS466N | Almacenador intermediario Octal DE TRIPLE ESTADO | National Semiconductor |
| 20234 | DM74LS466WM | Almacenador intermediario Octal DE TRIPLE ESTADO | National Semiconductor |
| 20235 | DM74LS466WM | Almacenador intermediario Octal DE TRIPLE ESTADO | National Semiconductor |
| 20236 | DM74LS466WM | Almacenador intermediario Octal DE TRIPLE ESTADO | National Semiconductor |
| 20237 | DM74LS467 | (DM81LS97A) Almacenador intermediario Octal De triple estado | National Semiconductor |
| 20238 | DM74LS467N | Almacenador intermediario Octal DE TRIPLE ESTADO | National Semiconductor |
| 20239 | DM74LS467N | Almacenador intermediario Octal DE TRIPLE ESTADO | National Semiconductor |
| 20240 | DM74LS467N | Almacenador intermediario Octal DE TRIPLE ESTADO | National Semiconductor |
| 20241 | DM74LS467WM | Almacenador intermediario Octal DE TRIPLE ESTADO | National Semiconductor |
| 20242 | DM74LS467WM | Almacenador intermediario Octal DE TRIPLE ESTADO | National Semiconductor |
| 20243 | DM74LS467WM | Almacenador intermediario Octal DE TRIPLE ESTADO | National Semiconductor |
| 20244 | DM74LS468 | (DM81LS9Å) Almacenador intermediario Octal De triple estado | National Semiconductor |
| 20245 | DM74LS468N | Almacenador intermediario Octal DE TRIPLE ESTADO | National Semiconductor |
| 20246 | DM74LS468N | Almacenador intermediario Octal DE TRIPLE ESTADO | National Semiconductor |
| 20247 | DM74LS468N | Almacenador intermediario Octal DE TRIPLE ESTADO | National Semiconductor |
| 20248 | DM74LS468WM | Almacenador intermediario Octal DE TRIPLE ESTADO | National Semiconductor |
| 20249 | DM74LS468WM | Almacenador intermediario Octal DE TRIPLE ESTADO | National Semiconductor |
| 20250 | DM74LS468WM | Almacenador intermediario Octal DE TRIPLE ESTADO | National Semiconductor |
| 20251 | DM74LS469 | Contador Up/Down 8-Bit | National Semiconductor |
| 20252 | DM74LS469A | Contador Up/Down 8-Bit | National Semiconductor |
| 20253 | DM74LS469AJ | 7 V, / abajo contador de 8 bits hasta | National Semiconductor |
| 20254 | DM74LS469AN | 7 V, / abajo contador de 8 bits hasta | National Semiconductor |
| 20255 | DM74LS469AV | 7 V, / abajo contador de 8 bits hasta | National Semiconductor |
| 20256 | DM74LS469J | Contador Up/Down 8-Bit DM54LS469/DM74LS469 | National Semiconductor |
| 20257 | DM74LS469J | Contador Up/Down 8-Bit DM54LS469/DM74LS469 | National Semiconductor |
| 20258 | DM74LS469J | Contador Up/Down 8-Bit DM54LS469/DM74LS469 | National Semiconductor |
| 20259 | DM74LS469N | Contador Up/Down 8-Bit DM54LS469/DM74LS469 | National Semiconductor |
| 20260 | DM74LS469N | Contador Up/Down 8-Bit DM54LS469/DM74LS469 | National Semiconductor |
| 20261 | DM74LS469N | Contador Up/Down 8-Bit DM54LS469/DM74LS469 | National Semiconductor |
| 20262 | DM74LS47 | BCD a 7-Segment Decoder/Driver | National Semiconductor |
| 20263 | DM74LS471J | 60 ns, (256 x 8) de 2048 bits TTL PROM | National Semiconductor |
| 20264 | DM74LS471N | 60 ns, (256 x 8) de 2048 bits TTL PROM | National Semiconductor |
| 20265 | DM74LS471V | 60 ns, (256 x 8) de 2048 bits TTL PROM | National Semiconductor |
| 20266 | DM74LS47M | BCD A 7-segment DECODER/DRIVER | National Semiconductor |
| 20267 | DM74LS47M | BCD A 7-segment DECODER/DRIVER | National Semiconductor |
| 20268 | DM74LS47M | BCD A 7-segment DECODER/DRIVER | National Semiconductor |
| 20269 | DM74LS47N | BCD A 7-segment DECODER/DRIVER | National Semiconductor |
| 20270 | DM74LS47N | BCD A 7-segment DECODER/DRIVER | National Semiconductor |
| 20271 | DM74LS47N | BCD A 7-segment DECODER/DRIVER | National Semiconductor |
| 20272 | DM74LS48 | BCD al decodificador 7-Segment | National Semiconductor |
| 20273 | DM74LS490 | Contador De Década Dual | National Semiconductor |
| 20274 | DM74LS490M | 7 V, contador dual década | National Semiconductor |
| 20275 | DM74LS490N | 7 V, contador dual década | National Semiconductor |
| 20276 | DM74LS491 | 10-Bit contradicen | National Semiconductor |
| 20277 | DM74LS491A | 10-Bit contradicen | National Semiconductor |
| 20278 | DM74LS491AJ | 7 V, contador de 10 bits | National Semiconductor |
| 20279 | DM74LS491AN | 7 V, contador de 10 bits | National Semiconductor |
| 20280 | DM74LS491AV | 7 V, contador de 10 bits | National Semiconductor |
| 20281 | DM74LS491J | 10-Bit contradicen | National Semiconductor |
| 20282 | DM74LS491J | 10-Bit contradicen | National Semiconductor |
| 20283 | DM74LS491J | 10-Bit contradicen | National Semiconductor |
| 20284 | DM74LS491N | 10-Bit contradicen | National Semiconductor |
| 20285 | DM74LS491N | 10-Bit contradicen | National Semiconductor |
| 20286 | DM74LS491N | 10-Bit contradicen | National Semiconductor |
| 20287 | DM74LS498 | Registro De Cambio Octal | National Semiconductor |
| 20288 | DM74LS498A | Registro De Cambio Octal | National Semiconductor |
| 20289 | DM74LS498AJ | 7 V, registro de desplazamiento octal | National Semiconductor |
| 20290 | DM74LS498AN | 7 V, registro de desplazamiento octal | National Semiconductor |
| 20291 | DM74LS498AV | 7 V, registro de desplazamiento octal | National Semiconductor |
| 20292 | DM74LS498J | 7 V, registro de desplazamiento octal | National Semiconductor |
| 20293 | DM74LS498N | 7 V, registro de desplazamiento octal | National Semiconductor |
| 20294 | DM74LS502 | Registro Sucesivo 8-Bit De la Aproximación | National Semiconductor |
| 20295 | DM74LS502N | Registro Sucesivo 8-Bit De la Aproximación | National Semiconductor |
| 20296 | DM74LS502N | Registro Sucesivo 8-Bit De la Aproximación | National Semiconductor |
| 20297 | DM74LS502N | Registro Sucesivo 8-Bit De la Aproximación | National Semiconductor |
| 20298 | DM74LS502WM | Registro Sucesivo 8-Bit De la Aproximación | National Semiconductor |
| 20299 | DM74LS502WM | Registro Sucesivo 8-Bit De la Aproximación | National Semiconductor |
| 20300 | DM74LS502WM | Registro Sucesivo 8-Bit De la Aproximación | National Semiconductor |
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