Datasheet

USB251xB/xBi
DS00001692C-page 50  2010 - 2015 Microchip Technology Inc.
APPENDIX A: ACRONYMS
I
2
C: Inter-Integrated Circuit
OCS: Over-Current Sense
PCB: Printed Circuit Board
PHY: Physical Layer
PLL: Phase-Locked Loop
QFN: Quad Flat No Leads
RoHS: Restriction of Hazardous Substances Directive
SCL: Serial Clock
SIE: Serial Interface Engine
SMBus: System Management Bus
TT: Transaction Translator