CT20101 is a silicon proven IP available on 0.25um GlobalFoundries Technology (formerly chartered 0.25um, 3M, PiP option) and easily portable to other processes.
CT20101 delivers a precise 48 MHz clock frequency used for a USB1.1 or USB2.0 low and full speed USB applications.
It's designed to minimize the overall system bill-of-material costs and board area by replacing expensive x-tal devices with common and cheap RC external components.
48MHz Oscillator for USB
Auto Tuning 0.25% precision
Low/full speed applications
No external crystal
2 external passive components
No fab trimming required
Communications, Consumer Electronics, Industrial and Medical