| Nr. | Nome da parte | Descrição | Fabricante |
| 19901 | DM74LS244N | Receptores Octal de TRI-STATEE Buffers/Line Drivers/Line | National Semiconductor |
| 19902 | DM74LS244N | Receptores Octal de TRI-STATEE Buffers/Line Drivers/Line | National Semiconductor |
| 19903 | DM74LS244WM | Receptores Octal de TRI-STATEE Buffers/Line Drivers/Line | National Semiconductor |
| 19904 | DM74LS244WM | Receptores Octal de TRI-STATEE Buffers/Line Drivers/Line | National Semiconductor |
| 19905 | DM74LS244WM | Receptores Octal de TRI-STATEE Buffers/Line Drivers/Line | National Semiconductor |
| 19906 | DM74LS245 | Transceptor TRI-STATE Octal Da Barra-ônibus | National Semiconductor |
| 19907 | DM74LS245N | Transceptor Octal TRI-STATE Da Barra-ônibus | National Semiconductor |
| 19908 | DM74LS245N | Transceptor Octal TRI-STATE Da Barra-ônibus | National Semiconductor |
| 19909 | DM74LS245N | Transceptor Octal TRI-STATE Da Barra-ônibus | National Semiconductor |
| 19910 | DM74LS245WM | Transceptor Octal TRI-STATE Da Barra-ônibus | National Semiconductor |
| 19911 | DM74LS245WM | Transceptor Octal TRI-STATE Da Barra-ônibus | National Semiconductor |
| 19912 | DM74LS245WM | Transceptor Octal TRI-STATE Da Barra-ônibus | National Semiconductor |
| 19913 | DM74LS247 | Bcd a 7-Segment Decoder/Driver com saídas do Abr-Coletor | National Semiconductor |
| 19914 | DM74LS247M | 7 V, BCD para 7 segmentos decodificador / driver com saída de coletor aberto | National Semiconductor |
| 19915 | DM74LS248 | O BCD ao decodificador 7-Segment com ohm 2k Puxa-Acima os resistores | National Semiconductor |
| 19916 | DM74LS248M | 7 V, BCD para 7 segmentos decodificador | National Semiconductor |
| 19917 | DM74LS248N | 7 V, BCD para 7 segmentos decodificador | National Semiconductor |
| 19918 | DM74LS249 | Bcd ao decodificador 7-Segment (com saídas de coletor aberto) | National Semiconductor |
| 19919 | DM74LS249N | 7 V, BCD para decodificador de 7 segmentos (com saída de coletor aberto) | National Semiconductor |
| 19920 | DM74LS251 | 1-of-8 linha TRI-STATE dados Selector/Multiplexer com saídas complementares | National Semiconductor |
| 19921 | DM74LS251M | Dados TRI-STATE Selectors/Multiplexers | National Semiconductor |
| 19922 | DM74LS251M | Dados TRI-STATE Selectors/Multiplexers | National Semiconductor |
| 19923 | DM74LS251M | Dados TRI-STATE Selectors/Multiplexers | National Semiconductor |
| 19924 | DM74LS251N | Dados TRI-STATE Selectors/Multiplexers | National Semiconductor |
| 19925 | DM74LS251N | Dados TRI-STATE Selectors/Multiplexers | National Semiconductor |
| 19926 | DM74LS251N | Dados TRI-STATE Selectors/Multiplexers | National Semiconductor |
| 19927 | DM74LS253 | 1-of-4 Linha TRI-STATE Dupla Dados Selector/Multiplexer | National Semiconductor |
| 19928 | DM74LS253M | Dados TRI-STATE Selectors/Multiplexers | National Semiconductor |
| 19929 | DM74LS253M | Dados TRI-STATE Selectors/Multiplexers | National Semiconductor |
| 19930 | DM74LS253M | Dados TRI-STATE Selectors/Multiplexers | National Semiconductor |
| 19931 | DM74LS253N | Dados TRI-STATE Selectors/Multiplexers | National Semiconductor |
| 19932 | DM74LS253N | Dados TRI-STATE Selectors/Multiplexers | National Semiconductor |
| 19933 | DM74LS253N | Dados TRI-STATE Selectors/Multiplexers | National Semiconductor |
| 19934 | DM74LS256 | Trava 4-Bit Endereçável Dupla | National Semiconductor |
| 19935 | DM74LS256N | Trava 4-Bit Endereçável Dupla | National Semiconductor |
| 19936 | DM74LS256N | Trava 4-Bit Endereçável Dupla | National Semiconductor |
| 19937 | DM74LS256N | Trava 4-Bit Endereçável Dupla | National Semiconductor |
| 19938 | DM74LS257 | Quad TRI-STATE 2-Data Selectors/Multiplexers | National Semiconductor |
| 19939 | DM74LS257 | Quad TRI-STATE 2-Data Selectors/Multiplexers | National Semiconductor |
| 19940 | DM74LS257 | Quad TRI-STATE 2-Data Selectors/Multiplexers | National Semiconductor |
| 19941 | DM74LS257B | Linha 2-to-1 Dados Selector/Multiplexer TRI-STATE Do Quad | National Semiconductor |
| 19942 | DM74LS257BM | Quad TRI-STATE 2-Data Selectors/Multiplexers | National Semiconductor |
| 19943 | DM74LS257BM | Quad TRI-STATE 2-Data Selectors/Multiplexers | National Semiconductor |
| 19944 | DM74LS257BM | Quad TRI-STATE 2-Data Selectors/Multiplexers | National Semiconductor |
| 19945 | DM74LS257BN | Quad TRI-STATE 2-Data Selectors/Multiplexers | National Semiconductor |
| 19946 | DM74LS257BN | Quad TRI-STATE 2-Data Selectors/Multiplexers | National Semiconductor |
| 19947 | DM74LS257BN | Quad TRI-STATE 2-Data Selectors/Multiplexers | National Semiconductor |
| 19948 | DM74LS258 | Quad TRI-STATE 2-Data Selectors/Multiplexers | National Semiconductor |
| 19949 | DM74LS258 | Quad TRI-STATE 2-Data Selectors/Multiplexers | National Semiconductor |
| 19950 | DM74LS258 | Quad TRI-STATE 2-Data Selectors/Multiplexers | National Semiconductor |
| 19951 | DM74LS258B | Linha 2-to-1 Dados Selector/Multiplexer TRI-STATE Do Quad (Inverter) | National Semiconductor |
| 19952 | DM74LS258BM | Quad TRI-STATE 2-Data Selectors/Multiplexers | National Semiconductor |
| 19953 | DM74LS258BM | Quad TRI-STATE 2-Data Selectors/Multiplexers | National Semiconductor |
| 19954 | DM74LS258BM | Quad TRI-STATE 2-Data Selectors/Multiplexers | National Semiconductor |
| 19955 | DM74LS258BN | Quad TRI-STATE 2-Data Selectors/Multiplexers | National Semiconductor |
| 19956 | DM74LS258BN | Quad TRI-STATE 2-Data Selectors/Multiplexers | National Semiconductor |
| 19957 | DM74LS258BN | Quad TRI-STATE 2-Data Selectors/Multiplexers | National Semiconductor |
| 19958 | DM74LS259 | série 8-Bit dentro à paralela para fora das travas endereçáveis | National Semiconductor |
| 19959 | DM74LS259M | Travas 8-Bit Endereçáveis | National Semiconductor |
| 19960 | DM74LS259M | Travas 8-Bit Endereçáveis | National Semiconductor |
| 19961 | DM74LS259M | Travas 8-Bit Endereçáveis | National Semiconductor |
| 19962 | DM74LS259N | Travas 8-Bit Endereçáveis | National Semiconductor |
| 19963 | DM74LS259N | Travas 8-Bit Endereçáveis | National Semiconductor |
| 19964 | DM74LS259N | Travas 8-Bit Endereçáveis | National Semiconductor |
| 19965 | DM74LS259WM | Travas 8-Bit Endereçáveis | National Semiconductor |
| 19966 | DM74LS259WM | Travas 8-Bit Endereçáveis | National Semiconductor |
| 19967 | DM74LS259WM | Travas 8-Bit Endereçáveis | National Semiconductor |
| 19968 | DM74LS26 | Amortecedor do quad 2-Input NAND com saídas do Abr-Coletor da Elevado-Tensão | National Semiconductor |
| 19969 | DM74LS260 | 5-Input Duplo NEM Porta | National Semiconductor |
| 19970 | DM74LS260M | 5-Input Duplo NEM Porta | National Semiconductor |
| 19971 | DM74LS260M | 5-Input Duplo NEM Porta | National Semiconductor |
| 19972 | DM74LS260M | 5-Input Duplo NEM Porta | National Semiconductor |
| 19973 | DM74LS260M | 5-Input Duplo NEM Porta | National Semiconductor |
| 19974 | DM74LS260M | 5-Input Duplo NEM Porta | National Semiconductor |
| 19975 | DM74LS260M | 5-Input Duplo NEM Porta | National Semiconductor |
| 19976 | DM74LS260N | 5-Input Duplo NEM Porta | National Semiconductor |
| 19977 | DM74LS260N | 5-Input Duplo NEM Porta | National Semiconductor |
| 19978 | DM74LS260N | 5-Input Duplo NEM Porta | National Semiconductor |
| 19979 | DM74LS260N | 5-Input Duplo NEM Porta | National Semiconductor |
| 19980 | DM74LS260N | 5-Input Duplo NEM Porta | National Semiconductor |
| 19981 | DM74LS260N | 5-Input Duplo NEM Porta | National Semiconductor |
| 19982 | DM74LS265A | Amortecedores TRI-STATE Do Hex | National Semiconductor |
| 19983 | DM74LS265A | Amortecedores TRI-STATE Do Hex | National Semiconductor |
| 19984 | DM74LS265A | Amortecedores TRI-STATE Do Hex | National Semiconductor |
| 19985 | DM74LS265AM | Amortecedores TRI-STATE Do Hex | National Semiconductor |
| 19986 | DM74LS265AM | Amortecedores TRI-STATE Do Hex | National Semiconductor |
| 19987 | DM74LS265AM | Amortecedores TRI-STATE Do Hex | National Semiconductor |
| 19988 | DM74LS266 | Quad 2-Input Exclusivo-Nem porta com saídas de coletor aberto | National Semiconductor |
| 19989 | DM74LS266M | PORTA DO QUAD 2-INPUT EXCLUSIVE-NOR COM SAÍDAS DE OPEN-COLLECTOR | National Semiconductor |
| 19990 | DM74LS266M | PORTA DO QUAD 2-INPUT EXCLUSIVE-NOR COM SAÍDAS DE OPEN-COLLECTOR | National Semiconductor |
| 19991 | DM74LS266M | PORTA DO QUAD 2-INPUT EXCLUSIVE-NOR COM SAÍDAS DE OPEN-COLLECTOR | National Semiconductor |
| 19992 | DM74LS266N | PORTA DO QUAD 2-INPUT EXCLUSIVE-NOR COM SAÍDAS DE OPEN-COLLECTOR | National Semiconductor |
| 19993 | DM74LS266N | PORTA DO QUAD 2-INPUT EXCLUSIVE-NOR COM SAÍDAS DE OPEN-COLLECTOR | National Semiconductor |
| 19994 | DM74LS266N | PORTA DO QUAD 2-INPUT EXCLUSIVE-NOR COM SAÍDAS DE OPEN-COLLECTOR | National Semiconductor |
| 19995 | DM74LS27 | 3-Input Triplo NEM Porta | National Semiconductor |
| 19996 | DM74LS273 | registo 8-Bit com espaço livre | National Semiconductor |
| 19997 | DM74LS273M | registo 8-Bit com espaço livre | National Semiconductor |
| 19998 | DM74LS273M | REGISTO 8-BIT COM ESPAÇO LIVRE | National Semiconductor |
| 19999 | DM74LS273M | REGISTO 8-BIT COM ESPAÇO LIVRE | National Semiconductor |
| 20000 | DM74LS273M | registo 8-Bit com espaço livre | National Semiconductor |
| | | |
