| 제조업체 | 부품명 | 데이터시트 | 상세설명 |
 National Semiconductor ... | DM74LS170WM |  103Kb/4P | 4x4 REGISTER FILE WITH OPEN-COLLECTOR OUTPUTS |
 National Semiconductor ... | DM74LS170N |  103Kb/ 4P | 4x4 REGISTER FILE WITH OPEN-COLLECTOR OUTPUTS |
| DM74LS170 |  103Kb/ 4P | 4x4 REGISTER FILE WITH OPEN-COLLECTOR OUTPUTS |
| DM74LS173 |  115Kb/ 4P | TRI-STATE 4-BIT D-TYPE REGISTER |
| DM74LS173AM |  115Kb/ 4P | TRI-STATE 4-BIT D-TYPE REGISTER |
| DM74LS173AN |  115Kb/ 4P | TRI-STATE 4-BIT D-TYPE REGISTER |
 National Semiconductor ... | DM74LS174M |  174Kb/ 8P | Hex/Quad D Flip-Flops with Clear |
 National Semiconductor ... | DM74LS174N |  174Kb/ 8P | Hex/Quad D Flip-Flops with Clear |
 National Semiconductor ... | DM74LS175 |  174Kb/ 8P | Hex/Quad D Flip-Flops with Clear |
 National Semiconductor ... | DM74LS175M |  174Kb/ 8P | Hex/Quad D Flip-Flops with Clear |