This part is a kind of semiconductor called 9309.

Function of this product has Dual 4-Bit Data Selectors/Multiplexers.

Manufacturers : National Semiconductor

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9309 DM9309 Dual 4-Bit Data Selectors Multiplexers June 1989 9309 DM9309 Dual 4-Bit Data Selectors Multiplexers General Description These data selectors multiplexers contain inverter drivers to supply full complementary on-chip binary decoded data selection The 9309 DM9309 contains two separate 4-bit multiplexers with complementary Y and Y outputs however the two sections have common address select inputs Features Y Y Complementary outputs Dual one-of-four data selectors Connection Diagram Dual-In-Line Package TL F 6602 – 1 Order Number 9309DMQB 9309FMQB or DM9309N See NS Package Number J16A N16E or W16A Function Table Inputs Select B L L L L H H H H A L L H H L L H H C0 L H X X X X X X Data C1 X X L H X X X X C2 X X X X L H X X C3 X X X X X X L H L H L H L H L H H L H L H L H L [ ... ]

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