Vendor: NTLab Category: PLL

Phase-locked loop frequency synthesizer

PLL is an automatic control system adjusting controlled oscillator frequency to be equal to reference oscillator frequency multip…

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UMC 65nm Silicon Proven View all specifications

Overview

PLL is an automatic control system adjusting controlled oscillator frequency to be equal to reference oscillator frequency multiplied by a given integer ratio. Frequency adjustment is carried out by using negative feedback. A phase detector compares a controlled oscillator output with a reference signal. The result is a charge pump current output that supplies feedback low-pass filter and converted to a voltage for controlled oscillator adjustment.
Clock divider is used to generate signals with specified frequency.
This block designed for CMOS UMC 65 nm technology.

Key features

  • 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
  • Wide continuous reference frequency divider ratio range (1..31 with step 1) allow to use high reference frequency or reach high frequency resolution
  • Integrated lock detector circuit with high accuracy
  • Integrated loop filter with adjustment ability
  • No external components required
  • Low power consumption
  • Portable to other technologies (upon request)

Block Diagram

065UMC_PLL_01 block diagram

Applications

  • Portable transmitters and transceivers

What’s Included?

  • Schematic or NetList
  • Abstract model (.lef and .lib files)
  • Layout view (optional)
  • Behavioral model (Verilog)
  • Extracted view (optional)
  • GDSII
  • DRC, LVS, antenna report
  • Test bench with saved configurations (optional)
  • Documentation

Silicon Options

Foundry Node Process Maturity
UMC 65nm 65nm 650 nm Silicon Proven

Specifications

Identity

Part Number
065UMC_PLL_01
Vendor
NTLab
Type
Silicon IP

Files

Product Sheet Download

Note: some files may require an NDA depending on provider policy.

Provider

NTLab
HQ: Lithuania
Contact NTLab

Learn more about PLL IP core

Creating a Frequency Plan for a System using a PLL

How do you ensure that every part of a system receives the clock it needs—without wasting power or sacrificing performance? The answer lies in creating a well-structured frequency plan built around a PLL.

Specifying a PLL Part 3: Jitter Budgeting for Synthesis

This white paper is aimed at system architects and physical implementation leaders working on the design of SoCs. It can be confusing to understand the impact of different jitter sources and how to calculate a jitter budget when specifying a digital system. This white paper explains how jitter changes the period of a clock and how to ensure that jitter has correctly been accounted for in the calculations for timing closure.

Specifying a PLL Part 2: Jitter Basics

This article explains a some of the key terminology and parameters commonly used to describe jitter. It will also help clarify the most important parameters for a some PLL applications, allowing the designer to better understand what is required from a PLL.

Specifying a PLL Part 1: Calculating PLL Clock Spur Requirements from ADC or DAC SFDR

In high end RF systems, such as 5G radios, the requirements are so stringent that the source of this strongest unwanted tone can be the PLL. This article outlines how spurs in the input clock to the ADC or DAC may limit the SFDR. This in turn will set the requirements for the spurs for the input clock (from a PLL), in order to achieve a specific SFDR.

Achieving Groundbreaking Performance with a Digital PLL

This article compares analog, first-generation digital, and second-generation digital PLLs. It evaluates which type of PLL may be best in which situation. It further discloses a roadmap into other application areas, including general purpose / logic clocking, and regular low-jitter PLLs.

Frequently asked questions about PLL IP cores

What is Phase-locked loop frequency synthesizer?

Phase-locked loop frequency synthesizer is a PLL IP core from NTLab listed on Semi IP Hub. It is listed with support for umc Silicon Proven.

How should engineers evaluate this PLL?

Engineers should review the overview, key features, supported foundries and nodes, maturity, deliverables, and provider information before shortlisting this PLL IP.

Can this semiconductor IP be compared with similar products?

Yes. Buyers can compare this product with similar semiconductor IP cores or IP families based on category, provider, process options, and structured technical specifications.

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