ZHCSSI9F september 2000 – july 2023 SN74LV21A
PRODMIX
请参考 PDF 数据表获取器件具体的封装图。
Figure 4-1 SN74LV21A D, DB, DGV, NS, or PW
Package (Top View)| PIN | TYPE(1) | DESCRIPTION | |
|---|---|---|---|
| NAME | NO. | ||
| 1A | 1 | I | 1A Input |
| 1B | 2 | I | 1B Input |
| NC | 3 | — | Not internally connected |
| 1C | 4 | I | 1C Input |
| 1D | 5 | I | 1D Input |
| 1Y | 6 | O | 1Y Output |
| 2Y | 8 | O | 2Y Output |
| 2A | 9 | I | 2A Input |
| 2B | 10 | I | 2B Input |
| NC | 11 | — | Not internally connected |
| 2C | 12 | I | 2C Input |
| 2D | 13 | I | 2D Input |
| GND | 7 | — | Ground Pin |
| VCC | 14 | — | Power Pin |