| 448321 | DM74LS191M | Synchronous 4-Bit Up/Down Counter with Mode Control | Fairchild Semiconductor |
| 448322 | DM74LS191M | Synchronous 4-Bit Up/Down Counters with Mode Control | National Semiconductor |
| 448323 | DM74LS191MX | Synchronous 4-Bit Up/Down Counter With Mode Control | Fairchild Semiconductor |
| 448324 | DM74LS191N | Synchronous 4-Bit Up/Down Counter with Mode Control | Fairchild Semiconductor |
| 448325 | DM74LS191N | Synchronous 4-Bit Up/Down Counters with Mode Control | National Semiconductor |
| 448326 | DM74LS192 | Up/Down Decade Counter with Separate Up/Down Clocks | National Semiconductor |
| 448327 | DM74LS192M | 54LS192/DM74LS192 Up/Down Decade Counter with Separate Up/Down Clocks | National Semiconductor |
| 448328 | DM74LS192N | 54LS192/DM74LS192 Up/Down Decade Counter with Separate Up/Down Clocks | National Semiconductor |
| 448329 | DM74LS193 | Synchronous 4-Bit Binary Counter with Dual Clock | Fairchild Semiconductor |
| 448330 | DM74LS193 | Synchronous 4-Bit Up/Down Binary Counter with Dual Clock | National Semiconductor |
| 448331 | DM74LS193CW | Synchronous 4-Bit Up/Down Binary Counter with Dual Clock | Fairchild Semiconductor |
| 448332 | DM74LS193M | Synchronous 4-Bit Binary Counter with Dual Clock | Fairchild Semiconductor |
| 448333 | DM74LS193M | 7 V, synchronous 4-bit up/down binary counter with dual clock | National Semiconductor |
| 448334 | DM74LS193MX | Synchronous 4-Bit Up/Down Binary Counter with Dual Clock | Fairchild Semiconductor |
| 448335 | DM74LS193N | Synchronous 4-Bit Binary Counter with Dual Clock | Fairchild Semiconductor |
| 448336 | DM74LS193N | 7 V, synchronous 4-bit up/down binary counter with dual clock | National Semiconductor |
| 448337 | DM74LS194 | 4-Bit Bidirectional Universal Shift Register | Fairchild Semiconductor |
| 448338 | DM74LS194A | 4-Bit Bidirectional Universal Shift Register | Fairchild Semiconductor |
| 448339 | DM74LS194A | 4-Bit Bidirectional Universal Shift Register | National Semiconductor |
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| 448340 | DM74LS194AM | 4-Bit Bidirectional Universal Shift Register | Fairchild Semiconductor |
| 448341 | DM74LS194AM | 4-Bit Bidirectional Universal Shift Register | National Semiconductor |
| 448342 | DM74LS194AMX | 4-Bit Bidirectional Universal Shift Register | Fairchild Semiconductor |
| 448343 | DM74LS194AN | 4-Bit Bidirectional Universal Shift Register | Fairchild Semiconductor |
| 448344 | DM74LS194AN | 4-Bit Bidirectional Universal Shift Register | National Semiconductor |
| 448345 | DM74LS195A | 4-Bit Parallel Access Shift Register | National Semiconductor |
| 448346 | DM74LS195AM | 7 V, 4-bit parallel access shift register | National Semiconductor |
| 448347 | DM74LS195AN | 7 V, 4-bit parallel access shift register | National Semiconductor |
| 448348 | DM74LS196 | Presettable Decade Counter | National Semiconductor |
| 448349 | DM74LS196M | 7 V, presettable decade counter | National Semiconductor |
| 448350 | DM74LS196N | 7 V, presettable decade counter | National Semiconductor |
| 448351 | DM74LS197 | Presettable Binary Counter | National Semiconductor |
| 448352 | DM74LS197M | 7 V, presettable binary counter | National Semiconductor |
| 448353 | DM74LS197N | 7 V, presettable binary counter | National Semiconductor |
| 448354 | DM74LS20 | Dual 4-Input NAND Gate | Fairchild Semiconductor |
| 448355 | DM74LS20 | Dual 4-Input NAND Gate | National Semiconductor |
| 448356 | DM74LS20M | Dual 4-Input NAND Gate | Fairchild Semiconductor |
| 448357 | DM74LS20M | Dual 4-Input NAND Gates | National Semiconductor |
| 448358 | DM74LS20N | Dual 4-Input NAND Gate | Fairchild Semiconductor |
| 448359 | DM74LS20N | Dual 4-Input NAND Gates | National Semiconductor |
| 448360 | DM74LS21 | Dual 4-Input AND Gate | National Semiconductor |
