fairchild
部件型号 厂商 描述

74VHC161SJ

Fairchild Semiconductor Counter Shift Registers 4-Bit Binary Counter

74VHC163SJ

Fairchild Semiconductor Counter Shift Registers 4-Bit Binary Counter

74VHC163MTCX

Fairchild Semiconductor Counter Shift Registers 4-Bit Binary Counter

74VHC163M

Fairchild Semiconductor Counter Shift Registers 4-Bit Binary Counter
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