| 412961 | DM74LS191 | Synchronous 4-Bit Up/Down Counter with Mode Control | Fairchild Semiconductor |
| 412962 | DM74LS191 | Synchronous 4-Bit Up/Down Binaray Counter With Mode Control | National Semiconductor |
| 412963 | DM74LS191M | Synchronous 4-Bit Up/Down Counter with Mode Control | Fairchild Semiconductor |
| 412964 | DM74LS191M | Synchronous 4-Bit Up/Down Counters with Mode Control | National Semiconductor |
| 412965 | DM74LS191MX | Synchronous 4-Bit Up/Down Counter With Mode Control | Fairchild Semiconductor |
| 412966 | DM74LS191N | Synchronous 4-Bit Up/Down Counter with Mode Control | Fairchild Semiconductor |
| 412967 | DM74LS191N | Synchronous 4-Bit Up/Down Counters with Mode Control | National Semiconductor |
| 412968 | DM74LS192 | Up/Down Decade Counter with Separate Up/Down Clocks | National Semiconductor |
| 412969 | DM74LS192M | 54LS192/DM74LS192 Up/Down Decade Counter with Separate Up/Down Clocks | National Semiconductor |
| 412970 | DM74LS192N | 54LS192/DM74LS192 Up/Down Decade Counter with Separate Up/Down Clocks | National Semiconductor |
| 412971 | DM74LS193 | Synchronous 4-Bit Binary Counter with Dual Clock | Fairchild Semiconductor |
| 412972 | DM74LS193 | Synchronous 4-Bit Up/Down Binary Counter with Dual Clock | National Semiconductor |
| 412973 | DM74LS193CW | Synchronous 4-Bit Up/Down Binary Counter with Dual Clock | Fairchild Semiconductor |
| 412974 | DM74LS193M | Synchronous 4-Bit Binary Counter with Dual Clock | Fairchild Semiconductor |
| 412975 | DM74LS193M | 7 V, synchronous 4-bit up/down binary counter with dual clock | National Semiconductor |
| 412976 | DM74LS193MX | Synchronous 4-Bit Up/Down Binary Counter with Dual Clock | Fairchild Semiconductor |
| 412977 | DM74LS193N | Synchronous 4-Bit Binary Counter with Dual Clock | Fairchild Semiconductor |
| 412978 | DM74LS193N | 7 V, synchronous 4-bit up/down binary counter with dual clock | National Semiconductor |
| 412979 | DM74LS194 | 4-Bit Bidirectional Universal Shift Register | Fairchild Semiconductor |
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| 412980 | DM74LS194A | 4-Bit Bidirectional Universal Shift Register | Fairchild Semiconductor |
| 412981 | DM74LS194A | 4-Bit Bidirectional Universal Shift Register | National Semiconductor |
| 412982 | DM74LS194AM | 4-Bit Bidirectional Universal Shift Register | Fairchild Semiconductor |
| 412983 | DM74LS194AM | 4-Bit Bidirectional Universal Shift Register | National Semiconductor |
| 412984 | DM74LS194AMX | 4-Bit Bidirectional Universal Shift Register | Fairchild Semiconductor |
| 412985 | DM74LS194AN | 4-Bit Bidirectional Universal Shift Register | Fairchild Semiconductor |
| 412986 | DM74LS194AN | 4-Bit Bidirectional Universal Shift Register | National Semiconductor |
| 412987 | DM74LS195A | 4-Bit Parallel Access Shift Register | National Semiconductor |
| 412988 | DM74LS195AM | 7 V, 4-bit parallel access shift register | National Semiconductor |
| 412989 | DM74LS195AN | 7 V, 4-bit parallel access shift register | National Semiconductor |
| 412990 | DM74LS196 | Presettable Decade Counter | National Semiconductor |
| 412991 | DM74LS196M | 7 V, presettable decade counter | National Semiconductor |
| 412992 | DM74LS196N | 7 V, presettable decade counter | National Semiconductor |
| 412993 | DM74LS197 | Presettable Binary Counter | National Semiconductor |
| 412994 | DM74LS197M | 7 V, presettable binary counter | National Semiconductor |
| 412995 | DM74LS197N | 7 V, presettable binary counter | National Semiconductor |
| 412996 | DM74LS20 | Dual 4-Input NAND Gate | Fairchild Semiconductor |
| 412997 | DM74LS20 | Dual 4-Input NAND Gate | National Semiconductor |
| 412998 | DM74LS20M | Dual 4-Input NAND Gate | Fairchild Semiconductor |
| 412999 | DM74LS20M | Dual 4-Input NAND Gates | National Semiconductor |
| 413000 | DM74LS20N | Dual 4-Input NAND Gate | Fairchild Semiconductor |
