Vendor: NTLab Category: PLL

2/64/128 CMOS/ECL PLL high-frequency divider

The CMOS high-frequency divider consists of two independent circuits.

TSMC 180nm BCDG2 Silicon Proven View all specifications

Overview

The CMOS high-frequency divider consists of two independent circuits. The first divider is a set of serially connected CMOS dividers with a dividing ratio 2. The second circuit is based on ECL logic and has differential signal. The reference current source of ECL circuit has temperature dependent and temperature independent modes. The buffer-commutators are used to output the signal of a frequency divided by 2, 64 or 128.
The block is fabricated on TCMS BiCMOS 0.18 um technology.

Key features

  • TSMC BiCMOS SiGe 180 nm
  • Fixed dividing ratio 128 with complementary outputs of dividers on 2 and 64
  • Two divider types: CMOS and ECL
  • Temperature dependent mode of reference current
  • Portable to other technologies (upon request)

Block Diagram

Applications

  • PLL frequency synthesizer

What’s Included?

  • Schematic or NetList
  • Layout or blackbox
  • Extracted view (optional)
  • GDSII
  • DRC, LVS, antenna report
  • Test bench with saved configurations (optional)
  • Documentation

Files

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

Silicon Options

Foundry Node Process Maturity
TSMC 180nm BCDG2 Silicon Proven

Specifications

Identity

Part Number
180TSMC_PLLDIV_01
Vendor
NTLab
Type
Silicon IP

Provider

NTLab
HQ: Lithuania
NTLab is a vertically integrated microelectronics design center. It has 70+ experienced and qualified engineers. NTLab specializes in the designing of mixed-signal and RF ICs and Systems-on-Chip. It has a wide range of own silicon-verified IP blocks: processor cores, interfaces, analog and high-frequency PHYs, etc., thus allowing customized design to be fast and predictable. In-company unique combination of competences in digital, analog and RF circuits and embedded software enables NTLab to participate in the projects that require deep research and utilize most sophisticated and advanced techniques: multi-system GPS/GLONASS/Galileo/BeiDou/NavIC(IRNSS)/QZSS/SBAS navigation, RF ID, wireless communications, etc. All designed ICs are provided with test and development tools, as well as with reference software. NTLab offers a wide range of silicon proven analog/mixed-signal IPs in 0.35µm, 0.25 µm, 0.18 µm, 0.13 µm, 0.09 µm, 65nm, 55nm, 40nm, 28nm, 22 nm CMOS and SiGe BiCMOS processes. These IPs are suitable for devices targeted both consumer and industrial markets. Most of these IPs have been proven in silicon on the foundries: Samsung, UMC, GlobalFoundries, SMIC, VIS, Tower, X-FAB, iHP, AMS, SilTerra, STMicroelectronics, Winfoundry.

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 2/64/128 CMOS/ECL PLL high-frequency divider?

2/64/128 CMOS/ECL PLL high-frequency divider is a PLL IP core from NTLab listed on Semi IP Hub. It is listed with support for tsmc 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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