M74HC390 查看數據表（PDF） - STMicroelectronics

零件编号

产品描述 (功能)

比赛名单

M74HC390

Dual decade counter

STMicroelectronics 

Block and logic diagrams

4

Block and logic diagrams

Figure 4. Block diagram

M74HC390

Figure 5. Logic diagram

Note:

6/17

This logic diagram has not be used to estimate propagation delays

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