What is the difference between the following 1 to 4 LVCMOS buffers: 553S, 551S, 651S, 621S & 524S, 74FCT38074S and 5PB1104?

The 524S & 74FCT38074S do not have an output enable feature.  The 5PB1104 comes in a TSSOP packaging. 

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Documents

Title Other Languages Type Format File Size Date
Datasheets & Errata
5PB11xx Datasheet Datasheet PDF 510 KB Feb 20, 2018
524S Datasheet Datasheet PDF 174 KB Mar 18, 2015
74FCT38074S Datasheet Datasheet PDF 119 KB Mar 18, 2015