型号 / 厂家，封装，批号，备注，订购

IN74HC20N / Integral,Datasheet,06/07+,Dual 4-input NAND ga 订购 PDF文档

IN74HC21A / IK Semiconductor,Datasheet,06/07+,Dual 4-Input Positiv 订购 PDF文档

IN74HC21AN / Integral,Datasheet,06/07+,Dual 4-Input AND Gat 订购 PDF文档

IN74HC221D / Integral,Datasheet,06/07+,Dual monostable mult 订购 PDF文档

IN74HC240A / IK Semiconductor,Datasheet,06/07+,Octal Buffer/Line Dr 订购 PDF文档

IN74HC240ADW / Integral,Datasheet,06/07+,Octal 3-state invert 订购 PDF文档

IN74HC240AN / Integral,Datasheet,06/07+,Octal 3-state invert 订购 PDF文档

IN74HC244ADW / Integral,Datasheet,07+,Octal 3-state noninv 订购 PDF文档

IN74HC245 / ,Datasheet,06/07+, 订购 PDF文档

IN74HC253A / IK Semiconductor,Datasheet,06/07+,Dual 4-1 Data Select 订购 PDF文档