74hc283 - 带快速进位的4位二进制全加器
Binary Full Adder with Fast Carry IC 16-TSSOP
得捷: IC 4BIT BINAR FULL ADDER 16TSSOP
艾睿: Binary Full Adder Single-Element 4-Bit 16-Pin TSSOP Bulk
NXP 恩智浦