| 制造商 | 部件名 | 数据表 | 功能描述 |
 National Semiconductor ... | DM74LS563WM |  79Kb/3P | OCTAL D-TYPE LATCH WITH TRI-STATE OUTPUTS |
 National Semiconductor ... | DM74LS563N |  79Kb/ 3P | OCTAL D-TYPE LATCH WITH TRI-STATE OUTPUTS |
| DM74LS563 |  79Kb/ 3P | OCTAL D-TYPE LATCH WITH TRI-STATE OUTPUTS |
| DM74LS564 |  109Kb/ 4P | Octal D-Type Flip-Flop with TRI-STATE Outputs |
| DM74LS564N |  109Kb/ 4P | Octal D-Type Flip-Flop with TRI-STATE Outputs |
| DM74LS564WM |  109Kb/ 4P | Octal D-Type Flip-Flop with TRI-STATE Outputs |
| DM74LS502N |  133Kb/ 6P | 8-Bit Successive Approximation Register |
| DM74LS502WM |  133Kb/ 6P | 8-Bit Successive Approximation Register |
 National Semiconductor ... | DM74LS51 |  63Kb/ 3P | DUAL 2-WIDE 2-INPUT, 2-WIDE 3-INPUT AND-OR-INVERT GATES |
 National Semiconductor ... | DM74LS51M |  63Kb/ 3P | DUAL 2-WIDE 2-INPUT, 2-WIDE 3-INPUT AND-OR-INVERT GATES |
 National Semiconductor ... | DM74LS51N |  63Kb/ 3P | DUAL 2-WIDE 2-INPUT, 2-WIDE 3-INPUT AND-OR-INVERT GATES |