SN74LS51N
Manufacturers：
Texas Instruments
Description：
IC 2-IN AND-OR-INV GATE 14-DIP
SN74LS51NSR
Manufacturers：
Texas Instruments
Description：
IC AND-OR-INVERT GATE 14SO
Manufacturers：
Texas Instruments
Description：
IC 2-IN AND-OR-INV GATE 14-DIP
Manufacturers：
Texas Instruments
Description：
IC AND-OR-INVERT GATE 14SO