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https://e2e.ti.com/support/logic-group/logic/f/logic-forum/935735/sn74lvc2g74-quick-question-for-sn74lvc2g74-application
您好、先生、
如果客户不使用 PRE 和 CLR、他们是否可以将这些引脚悬空？ 或对此案例有何建议？
谢谢、
乔治
这些引脚必须连接到 VCC。 请参阅 [常见问题解答]慢速或浮点输入如何影响 CMOS 器件？
