Clocking IP for UMC

Compare 735 Clocking IP for UMC from 15 vendors (1 - 10)

Crystal Oscillators
- 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.
Free running oscillators
- Compact and low power
- No external components
- Baseline CMOS logic process masks only
- Excellent frequency precision over PVT after trimming
5MHz-35MHz Low Power Crystal Oscillator - TSMC 0.18µ
- 4MHz-35MHz Frequency range.
- No external bias or limit resistors required.
- Current optimization for best power at frequency.
- Amplitude control loop.
- The OSCI pad input can be used as a CMOS input for test.
- Uses single 1.8V supply.
- Enable/power down provision.
Phase-locked loop frequency synthesizer
- CMOS UMC 65 nm
- Integer-N frequency synthesizer with good phase noise performance
- Guaranteed frequency range 550…750 MHz
- Wide continuous loop frequency divider ratio range (16..2047 with step 1) allow to cover frequency range using different reference frequency
10MHz to 50MHz fractional-N PLL synthesizer
- UMC 22nm ULP technology
- 1.8V IO power supply
- Double 0.8/1.0V Core power supply
- Embedded low noise bias
$Block Diagram -- 10MHz to 50MHz fractional-N PLL synthesizer$
Ultra low power 32.768 kHz crystal oscillator
- UMC 55nm eFlash CMOS technology
- Input Voltage 1.2V
- Fixed 32.768kHz output frequency
Fractional-N PLLs for Performance Computing
- Low jitter, suitable for many clocking applications, including high speed digital, ADC, DAC, medium-speed PHY
- Extremely small die area (< 0.005 sq mm), using a ring oscillator
- Output frequency can be from 1 to 400 times the input reference, up to 4GHz
- Reference clock from 10MHz to 500MHz
Low power oscillator insensitive to variations of power supply voltage and temperature
- Oscillator block consists of a low-power current-voltage reference circuit, comparator (operational amplifier), voltage controlled oscillator (5-stage current starved ring oscillator, VCO), frequency divider and frequency-to-voltage converter (FVC).
Low Voltage, Low Power Fractional-N PLLs
- Low power, suitable for IoT applications
- Good jitter, suitable for clocking digital logic.
- Extremely small die area (< 0.005 sq mm), using a ring oscillator
- Output frequency can be from 1 to 400 times the input reference, up to 1.5GHz
General Purpose Fractional-N PLLs
- Low power, suitable for logic clocking applications
- Extremely small die area, using a ring oscillator
- Twelve bits fractional resolution