封装/外壳：240-BFQFP 裸露焊盘 包装：托盘 描述：IC FPGA 193 I/O 240QFP 集成电路（IC） FPGA（现场可编程门阵列）

1-of-10 decoder

DESCRIPTION The HEF4028B is a 4-bit BCD to 1-of-10 active HIGH decoder. A 1-2-4-8 BCD code applied to inputs A0 to A3 causes the selected output to be HIGH, the other nine will be LOW. If desired, the device may be used as a 1-of-8 decoder with enable; 3-bit octal inputs are applied to inputs A0,

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