ZHCSIG9D September 2003 – July 2018 SN74CB3Q3257
PRODUCTION DATA.
请参考 PDF 数据表获取器件具体的封装图。
PIN | I/O | DESCRIPTION | |
---|---|---|---|
NAME | NO. | ||
S | 1 | I | Select Pin |
1B1 | 2 | I/O | Channel 1 I/O 1 |
1B2 | 3 | I/O | Channel 1 I/O 2 |
1A | 4 | I/O | Channel 1 common |
2B1 | 5 | I/O | Channel 2 I/O 1 |
2B2 | 6 | I/O | Channel 2 I/O 2 |
2A | 7 | I/O | Channel 2 common |
GND | 8 | — | Ground |
3A | 9 | I/O | Channel 3 common |
3B2 | 10 | I/O | Channel 3 I/O 2 |
3B1 | 11 | I/O | Channel 3 I/O 1 |
4A | 12 | I/O | Channel 4 common |
4B2 | 13 | I/O | Channel 4 I/O 2 |
4B1 | 14 | I/O | Channel 4 I/O 1 |
OE | 15 | I | Output Enable (Active Low) |
VCC | 16 | — | Power |