19.20 20.00 Max 16 9 7.40 Max 6.30 Unit: mm 1 1..
HD74LS251 - 1 of 8 Data Selectors/Multiplexers
HD74LS251P - 1 of 8 Data Selector/Multiplexer
HD74LS251 - 1 of 8 Data Selector/Multiplexer