MAXIM INTEGRATED PRODUCTS
芯片, 开关, 双路, SPDT, 33Ω, 6SOT23
芯片, 收发器, RS-232, 15KV 静电防护, 3323
TEXAS INSTRUMENTS
芯片, 直流/直流转换器, 同步降压, 1.2MHZ, VQFN-18