Logic, Timing Solutions, Clocks, NB3L553DG, Onsemi

 NB Series 3.3 V 200 MHz Surface Mount 1:4 Clock Fanout Buffer - SOIC-8

https://www.futureelectronics.com/p/electromechanical--circuit-protection--power-thyristors/cs45-16io1-ixys-2600963