Centos CI-4500UW -  Burr-Brown REG5608U - Low Capacitance 18-line SCCI active terminator. Package: Plastic 28-Lead SOIC
<a href="//commons.wikimedia.org/wiki/User:Raymond" title="User:Raymond">Raimond Spekking</a>
<span class="int-own-work" lang="en">Own work</span>