Crystal Oscillators

Overview

The crystal oscillator macros are available in a wide range of industry-standard quartz crystals and MEMS resonators operating in the fundamental mode in the 32 kHz to 80 MHz range. These oscillators, which are both power and area efficient, have a programmable transconductance to allow users to find the optimal balance between jitter and power consumption. The macro is designed to be used with standard foundry ESD cells and has the ability to bypass the oscillator to allow feeding an external clock through the XIN pin. 

Key Features

  • Cover a wide frequency range 32kHz - 80 MHz
  • Support fundamental mode quartz crystals and MEMS resonators
  • Programmable transconductance to match resonator parameters for best performance
  • Low jitter CMOS output clock

Block Diagram

Crystal Oscillators Block Diagram

Technical Specifications

GLOBALFOUNDRIES
In Production: 28nm SLP
SMIC
Silicon Proven: 40nm LL
TSMC
In Production: 5nm , 7nm , 10nm , 12nm , 16nm , 28nm HPC , 28nm HPCP , 40nm LP
Pre-Silicon: 28nm HPM , 40nm LP
Silicon Proven: 3nm , 6nm
UMC
In Production: 40nm LP
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Semiconductor IP