40系列芯片 4001 CMOS 四2输入或非门.pdf CD4001BC/CD4011BC Quad 2-Input NOR Buffered B Series Gate Quad 2-Input NAND Buffered B Series Gate October 1987 Revised January 1999 CD4001BC/CD4011BC Quad 2-Input NOR Buffered B Series Gate Quad 2-Input NAND Buffered B Series Gate General Description Features The CD4001BC and CD4011BC quad gates are monolithic ……