| 448961 | DM74S151N | 7 V, 1-of-8 data selector/multiplexer with complementary output | National Semiconductor |
| 448962 | DM74S153 | Dual 1-of-4 Line Data Selector/Multiplexer | Fairchild Semiconductor |
| 448963 | DM74S153 | Dual 1-of-4 Line Data Selector/Multiplexer | National Semiconductor |
| 448964 | DM74S153CW | Dual 1-of-4 Line Data Selector/Multiplexer | Fairchild Semiconductor |
| 448965 | DM74S153N | Dual 1-of-4 Line Data Selector/Multiplexer | Fairchild Semiconductor |
| 448966 | DM74S153N | 7 V, dual 1-of-4 line data selector/multiplexer | National Semiconductor |
| 448967 | DM74S157 | Quad 1 of 2 Line Data Selector/Multiplexer | Fairchild Semiconductor |
| 448968 | DM74S157 | Quad 2-to-1 Line Data Selector/Multiplexer | National Semiconductor |
| 448969 | DM74S157N | Quad 1 of 2 Line Data Selector/Multiplexer | Fairchild Semiconductor |
| 448970 | DM74S157N | 7 V, quad 1-of-2 line data selector/multiplexer | National Semiconductor |
| 448971 | DM74S158 | Quad 1 of 2 Line Data Selector/Multiplexer | Fairchild Semiconductor |
| 448972 | DM74S158 | Quad 2-to-1 Line Data Selector/Multiplexer (Inverting) | National Semiconductor |
| 448973 | DM74S158N | Quad 1 of 2 Line Data Selector/Multiplexer | Fairchild Semiconductor |
| 448974 | DM74S158N | 7 V, quad 1-of-2 line data selector/multiplexer | National Semiconductor |
| 448975 | DM74S161 | Synchronous 4-Bit Binary Counters | Fairchild Semiconductor |
| 448976 | DM74S161 | Synchronous 4-Bit Binary Counter with Asynchronous Clear | National Semiconductor |
| 448977 | DM74S161N | Synchronous 4-Bit Binary Counters | Fairchild Semiconductor |
| 448978 | DM74S161N | 7 V, sunchronous 4-bit binary counter | National Semiconductor |
| 448979 | DM74S163 | Synchronous 4-Bit Binary Counters | Fairchild Semiconductor |
|
| 448980 | DM74S163 | Synchronous 4-Bit Binary Counter with Synchronous Clear | National Semiconductor |
| 448981 | DM74S163N | Synchronous 4-Bit Binary Counters | Fairchild Semiconductor |
| 448982 | DM74S163N | 7 V, sunchronous 4-bit binary counter | National Semiconductor |
| 448983 | DM74S174 | Hex/Quad D Flip-Flop with Clear | Fairchild Semiconductor |
| 448984 | DM74S174 | Hex D Flip-Flop with Clear | National Semiconductor |
| 448985 | DM74S174N | Hex/Quad D Flip-Flop with Clear | Fairchild Semiconductor |
| 448986 | DM74S174N | 7 V, hex/quad D flip-flop with clear | National Semiconductor |
| 448987 | DM74S175 | Hex/Quad D Flip-Flop with Clear | Fairchild Semiconductor |
| 448988 | DM74S175 | Quad D Flip-Flop with Clear and Complementary Outputs | National Semiconductor |
| 448989 | DM74S175CW | Quad D Flip-Flop with Clear and Complementary Outputs | Fairchild Semiconductor |
| 448990 | DM74S175N | Hex/Quad D Flip-Flop with Clear | Fairchild Semiconductor |
| 448991 | DM74S175N | 7 V, hex/quad D flip-flop with clear | National Semiconductor |
| 448992 | DM74S181 | Arithmetic Logic Unit/Function Generator | National Semiconductor |
| 448993 | DM74S181N | 7 V, arithmetic logic unit/function generator | National Semiconductor |
| 448994 | DM74S182 | Look-Ahead Carry Generator | Fairchild Semiconductor |
| 448995 | DM74S182 | Look-Ahead Carry Generator | National Semiconductor |
| 448996 | DM74S182N | Look-Ahead Carry Generator | Fairchild Semiconductor |
| 448997 | DM74S182N | 7 V, look-ahead carry generator | National Semiconductor |
| 448998 | DM74S188AJ | 25 ns, (32 x 8) 256-bit TTL PROM | National Semiconductor |
| 448999 | DM74S188AN | 25 ns, (32 x 8) 256-bit TTL PROM | National Semiconductor |
| 449000 | DM74S188AV | 25 ns, (32 x 8) 256-bit TTL PROM | National Semiconductor |
