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https://e2e.ti.com/support/logic-group/logic/f/logic-forum/857508/cy74fct399t-select-pin-s-standard-voltage-level
你(们)好
Select 引脚的标准逻辑电平是多少？ 这个引脚标准逻辑电平是否可被视为正常数据输入信号？
此致
Srikanth Kacchu
输入使用相同的电压电平、并且与 TTL 兼容(0.8V/2V)。
