File list (Check if you may need any files):
74系列芯片总汇\7400.pdf
..............\7401.pdf
..............\7402.pdf
..............\7403.pdf
..............\7404.pdf
..............\7406.pdf
..............\7408.pdf
..............\7409.pdf
..............\7410.pdf
..............\7411.pdf
..............\74121.pdf
..............\74132.pdf
..............\7414.pdf
..............\74153.pdf
..............\74155.pdf
..............\74180.pdf
..............\74191.pdf
..............\7420.pdf
..............\7426.pdf
..............\7427.pdf
..............\7430.pdf
..............\7432.pdf
..............\7438.pdf
..............\7445.pdf
..............\7474.pdf
..............\7475.pdf
..............\7476.pdf
..............\7485.pdf
..............\7486.pdf
..............\74HC00.pdf
..............\74HC02.pdf
..............\74HC03.pdf
..............\74HC04.pdf
..............\74HC05.pdf
..............\74HC08.pdf
..............\74HC107.pdf
..............\74HC109A.pdf
..............\74HC11.pdf
..............\74HC112.pdf
..............\74HC113.pdf
..............\74HC123A.pdf
..............\74HC125.pdf
..............\74HC126.pdf
..............\74HC132.pdf
..............\74HC133.pdf
..............\74HC137.pdf
..............\74HC138.pdf
..............\74HC139.pdf
..............\74HC14.pdf
..............\74HC147.pdf
..............\74HC148.pdf
..............\74HC149.pdf
..............\74HC151.pdf
..............\74HC153.pdf
..............\74HC154.pdf
..............\74HC155.pdf
..............\74HC157.pdf
..............\74HC161.pdf
..............\74HC163.pdf
..............\74HC164.pdf
..............\74HC165.pdf
..............\74HC166.pdf
..............\74HC173.pdf
..............\74HC174.pdf
..............\74HC175.pdf
..............\74HC181.pdf
..............\74HC182.pdf
..............\74HC190.pdf
..............\74HC191.pdf
..............\74HC192.pdf
..............\74HC193.pdf
..............\74HC194.pdf
..............\74HC195.pdf
..............\74HC20.pdf
..............\74HC221A.pdf
..............\74HC237.pdf
..............\74HC242.pdf
..............\74HC244.pdf
..............\74HC251.pdf
..............\74HC253.pdf
..............\74HC257.pdf
..............\74HC258.pdf
..............\74HC259.pdf
..............\74HC266A.pdf
..............\74HC27.pdf
..............\74HC273.pdf
..............\74HC280.pdf
..............\74HC283.pdf
..............\74HC299.pdf
..............\74HC30.pdf
..............\74HC32.pdf
..............\74HC34.pdf
..............\74HC354.pdf
..............\74HC356.pdf
..............\74HC365.pdf
..............\74HC366.pdf
..............\74HC367.pdf
..............\74HC368.pdf
..............\74HC373.pdf
..............\74HC374.pdf