【Fairchild Semiconductor】NC7SZ57P6X,IC LOGIC GATE UNIV 2INPUT SC70-6
NC7SZ57P6X-L22347,IC LOGIC GATE UNIV 2INPUT SC70-6
【Fairchild Semiconductor】NC7SZ58FHX,IC GATE AND 2INPUT 6-MICROPAK
NC7SZ58FHX-L22175,IC GATE AND 2INPUT 6-MICROPAK
【Fairchild Semiconductor】NC7SZ58L6X,IC LOGIC GATE UHS 2-INP 6-MCRPAK
【Fairchild Semiconductor】NC7SZ58L6X_Q,门（与/非与/或/非或） 2-Input Logic Gate
