ZHCSKY5 February 2020 SN74HCS21-Q1
PRODUCTION DATA.
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 |