ZHCSO58D August 1997 – May 2021 CD54HC20 , CD74HC20
PRODUCTION DATA
請(qǐng)參考 PDF 數(shù)據(jù)表獲取器件具體的封裝圖。
| PIN | I/O | DESCRIPTION | |
|---|---|---|---|
| NAME | NO. | ||
| 1A | 1 | Input | Channel 1, Input A |
| 1B | 2 | Input | Channel 1, Input B |
| NC | 3, 11 | — | Not internally connected |
| 1C | 4 | Input | Channel 1, Input C |
| 1D | 5 | Input | Channel 1, Input D |
| 1Y | 6 | Output | Channel 1, Output Y |
| GND | 7 | — | Ground |
| 2Y | 8 | Output | Channel 2, Output Y |
| 2A | 9 | Input | Channel 2, Input A |
| 2B | 10 | Input | Channel 2, Input B |
| 2C | 12 | Input | Channel 2, Input C |
| 2D | 13 | Input | Channel 2, Input D |
| VCC | 14 | — | Positive Supply |