| nhà sản xuất | tên linh kiện | bảng dữ liệu | Giải thích chi tiết về linh kiện |
 National Semiconductor ... | DM74LS265AM |  131Kb/6P | Hex TRI-STATE Buffers |
 National Semiconductor ... | DM74LS265A |  131Kb/6P | Hex TRI-STATE Buffers |
| DM74LS260 |  52Kb/2P | Dual 5-Input NOR Gate |
| DM74LS260M |  124Kb/6P | Dual 5-Input NOR Gate |
| DM74LS260M |  52Kb/2P | Dual 5-Input NOR Gate |
| DM74LS260N |  124Kb/6P | Dual 5-Input NOR Gate |
| DM74LS260N |  52Kb/2P | Dual 5-Input NOR Gate |
 National Semiconductor ... | DM74LS266 |  54Kb/2P | QUAD 2-INPUT EXCLUSIVE-NOR GATE WITH OPEN-COLLECTOR OUTPUTS |
 National Semiconductor ... | DM74LS266M |  54Kb/2P | QUAD 2-INPUT EXCLUSIVE-NOR GATE WITH OPEN-COLLECTOR OUTPUTS |
 National Semiconductor ... | DM74LS266N |  54Kb/2P | QUAD 2-INPUT EXCLUSIVE-NOR GATE WITH OPEN-COLLECTOR OUTPUTS |
 National Semiconductor ... | DM74LS20M |  124Kb/6P | Dual 4-Input NAND Gates |