The EC3600ETTS-18.432M TR from Ecliptek is an 18.432 MHz standard crystal oscillator (XO) with LVCMOS output at 3.3 V, featuring enable/disable, in a 4-SMD no-lead package.
The EC3600ETTS-25.000M TR from Ecliptek is a 25 MHz standard crystal oscillator (XO) with CMOS output at 3.3 V and an enable/disable function, in a 4-SMD no-lead package.