IC DUAL 4Bit SYNC BINARY 16SOIC
Counter IC Binary Counter 2 Element 4 Bit Positive, Negative 16-SO
得捷: NOW NEXPERIA 74HCT4520D - BINARY
艾睿: Counter Dual 4-Bit Binary UP 16-Pin SO T/R
Win Source: IC DUAL 4BIT SYNC BINARY 16SOIC
NXP 恩智浦