Electrical fuse circuit, memory device and electronic part

摘要

An electrical fuse circuit including: a capacitor (101) composing an electrical fuse; a write circuit (103) breaking an insulating film of the capacitor (101) by applying voltage to between both terminals of the capacitor in accordance with a write signal (WRT); and a precharge circuit (121) precharging with respect to the terminal of the capacitor, is provided.