ti
部件型号 厂商 描述

SN74LS283DR

Texas Instruments 論理加算器および減算器 4-Bit Bnry Full Addr w/Fast Carry

SN74LS283DRE4

Texas Instruments 論理加算器および減算器 4-Bit Bnry Full Addr w/Fast Carry

SN74LS283DRG4

Texas Instruments Logic Adder & Subtractor 4B Binary Full Adders
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