| 型号 | 制造商 | 描述 | 操作 |
| SN74AS21DR [更多] | Texas Instruments | Logic Gates Dual 4-Input Positive-AND Gates RoHS: Compliant | 搜索 |
| SN74AS21DRE4 [更多] | Texas Instruments | Logic Gates Dual 4-Input Positive-AND Gates RoHS: Compliant | 搜索 |
| SN74AS21DRG4 [更多] | Texas Instruments | Logic Gates Dual 4Input Pos AND Gates RoHS: Compliant | 搜索 |
| 型号 | 制造商 | 描述 | 操作 |
| SN74AS21DR [更多] | Texas Instruments | 搜索 |