【Texas Instruments】SN74LS51DRG4,IC DUAL 2IN AND/OR 14SOIC
【Texas Instruments】SN74LS51N,IC 2-IN AND-OR-INV GATE 14-DIP
【Texas Instruments】SN74LS51NE4,IC 2-IN AND-OR-INV GATE 14-DIP
【Texas Instruments】SN74LS51NSR,IC AND-OR-INVERT GATE 14-SOP
【Texas Instruments】SN74LS51NSRE4,IC AND-OR-INVERT GATE 14-SOP
【Texas Instruments】SN74LS51NSRG4,IC DUAL 2IN AND/OR 14SO
SN74LS540DB,PROTOTYPE
【Texas Instruments】SN74LS540DBR,IC INVERTER 8-INPUT 20SSOP
