multiplexer with 3-state outputs the lsttl/msi sn54/74ls253 is a

sn74ls253 logic diagram e 0b 15 i 3b 13 i 2b 12 i 1b 11 i 0b 10

sn74ls253n dip16原装进口现货3态数据选择器多路复用器 质优价廉

sn74ls253n数据表pdf2pageonsemiconductor

hd74ls253