| 制造商 | 部件名 | 数据表 | 功能描述 |
National Semiconductor ... | DM54LS299W | 
167Kb/8P | 8-Input Universal Shift/Storage Register with Common Parallel I/O Pins |
National Semiconductor ... | DM54LS299E |
167Kb/ 8P | 8-Input Universal Shift/Storage Register with Common Parallel I/O Pins |
| DM54LS299J |
167Kb/ 8P | 8-Input Universal Shift/Storage Register with Common Parallel I/O Pins |
| DM54LS299 |
167Kb/ 8P | 8-Input Universal Shift/Storage Register with Common Parallel I/O Pins |
National Semiconductor ... | DM54LS20J |
124Kb/ 6P | Dual 4-Input NAND Gates |
| DM54LS20W |
124Kb/ 6P | Dual 4-Input NAND Gates |
| DM54LS21 |
120Kb/ 6P | Dual 4-Input AND Gates |
| DM54LS240 |
142Kb/ 6P | Octal TRI-STATE Buffers/Line Drivers/Line Receivers |
| DM54LS240 |
102Kb/ 3P | Octal TRI-STATE Buffers/Line Drivers/Line Receivers |
| DM54LS240E |
142Kb/ 6P | Octal TRI-STATE Buffers/Line Drivers/Line Receivers |
| DM54LS240J |
142Kb/ 6P | Octal TRI-STATE Buffers/Line Drivers/Line Receivers |
| DM54LS240J |
102Kb/ 3P | Octal TRI-STATE Buffers/Line Drivers/Line Receivers |
| DM54LS240W |
142Kb/ 6P | Octal TRI-STATE Buffers/Line Drivers/Line Receivers |
| DM54LS240WM |
102Kb/ 3P | Octal TRI-STATE Buffers/Line Drivers/Line Receivers |
| DM54LS241 |
142Kb/ 6P | Octal TRI-STATE Buffers/Line Drivers/Line Receivers |
| DM54LS241 |
102Kb/ 3P | Octal TRI-STATE Buffers/Line Drivers/Line Receivers |
| DM54LS241E |
142Kb/ 6P | Octal TRI-STATE Buffers/Line Drivers/Line Receivers |
| DM54LS241J |
142Kb/ 6P | Octal TRI-STATE Buffers/Line Drivers/Line Receivers |
| DM54LS241J |
102Kb/ 3P | Octal TRI-STATE Buffers/Line Drivers/Line Receivers |
| DM54LS241W |
142Kb/ 6P | Octal TRI-STATE Buffers/Line Drivers/Line Receivers |
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