74LS256PC from National Semiconductor is a D LATCH, 2-FUNC, 4-BIT, TTL
SN74LS256D from onsemi is a IC FF 1 FUNC
{"one"=>"Select 2 to 5 items to compare", "other"=>"{{ count }} of 5 items selected"}
Select first item to compare
Select second item to compare
Select third item to compare