Skip to main content

VLSI Packaging Evolution and Innovations

Hello Dear Readers,   Today in this post, I will provide some deep insight into the VLSI packaging evolution and innovations. Semiconductor packaging has evolved from a simple protective housing into a critical performance enabler. In the modern VLSI landscape, packaging is no longer an afterthought; it is a fundamental determinant of PPA (Power, Performance, and Area) metrics, often dictating the thermal limits and signal integrity of the final SoC. 1. Traditional Packaging Technologies: These methods are the workhorses of the industry, widely used for low-to-medium complexity devices where cost-efficiency is paramount. Wire Bonding (QFN, QFP, DIP): Wire bonding is the most mature interconnection technology. It uses thin gold, copper, or aluminum wires to connect the die's bond pads to the package's internal leadframe. Implementation: The die is attached face-up to a leadframe or substrate. A wire bonder uses thermocompression or ultrasonic energy to attach wires betwee...
Post a Comment

RTL to GDS-II of FIR Filter Using Open Source Tool Q-flow

  Hello Dear Readers, 

Today in this post I will discuss further the FIR Filter Front-End implementation at the back-end side by performing the RTL to GDS-II tool Q-flow.

For the Installation of the tool follow the steps which are mentioned here below,





I have tested my FIR filter Verilog code using Q-flow as shown in Fig. 1 successfully. In which I have selected OSU018 which is 180nm Technology Node. After completing all the steps last one is to click on Edit Layout options will go to us in the Magic tool for displaying the final layout of our RTL code as shown in FIg. 2 where we can see also zero DRC error at top of the middle point.

Fig. 1 Q-flow Physical Design Flow

Fig. 2 Final Layout of FIR filter


Connect with me 



Labels:

Comments

  1. Anonymous30 December 2021 at 05:19

    Completed sir FIR filter complete path I don't have words for you but keep it up and so much thank you sir and love you.

    ReplyDelete
  2. Anonymous1 January 2022 at 04:53

    Your website is my favourite one for project understanding.

    ReplyDelete
  3. Anonymous8 January 2022 at 19:00

    Superb post and project idea hope to see more advanced topics in future.

    ReplyDelete
  4. Anonymous18 January 2022 at 20:40

    Good post keep it up and do some advanced levels such as System Verilog, UVM etc...

    ReplyDelete

Post a Comment

Popular posts from this blog

Exploring the Role of LEF Files in VLSI Chip Design: A Beginner's Guide

Hello Dear Readers,   Today in this post, I will provide some deep insight into the LEF file role during the VLSI Chip Design process. In VLSI (Very Large Scale Integration) design, a LEF file is a file that contains information about the physical geometry of the standard cells used in a circuit. LEF stands for Library Exchange Format. A standard cell is a pre-designed logic cell that contains a specific function, such as a flip-flop or an AND gate. Standard cells are designed to be easily combinable and scalable to create more complex circuits. The physical geometry of each standard cell is defined in the LEF file. The LEF file contains information such as the width, height, and position of the pins and metal layers of each standard cell. It also contains information about the physical design rules that govern the placement of these cells on the chip. LEF files are important in VLSI design because they enable the interoperability of different design tools from different vend...
4 comments
Read more

Signal Electromigration (Signal EM): Violations, Examples, and Practical Fixes

  Hello Dear Readers,   Today in this post, I will provide some deep insight into the Signal Electromigration (Signal EM): Violations, Examples, and Practical Fixes. 1. Introduction: As technology nodes shrink into the deep‑submicron and nanometer regime (7nm, 5nm, 3nm and beyond), electromigration (EM) has become a first‑order reliability concern—not only for power/ground (PG) networks but also for signal nets. Signal EM failures are often underestimated because signal currents are transient and bidirectional. However, with higher switching activity, tighter metal pitches, thinner wires, and aggressive timing closure, signal EM can cause latent or early‑life failures if not addressed properly. This article explains: What Signal EM is and how it differs from PG EM Typical Signal EM violation scenarios Detailed, practical examples Root causes behind each violation Proven solutions and best practices to fix and prevent Signal EM issues 2. What is Signal Electromigration: El...
Post a Comment
Read more

Physical Design/PDK methodology Engineer

Hello Dear Readers, At Applied Materials Bangalore, there is a vacancy for a Physical Design/PDK methodology Engineer role. Applied Materials is a global leader in materials engineering solutions used to produce virtually every new chip and advanced display in the world. We design, build and service cutting-edge equipment that helps our customers manufacture display and semiconductor chips – the brains of devices we use every day. As the foundation of the global electronics industry, Applied enables the exciting technologies that literally connect our world – like AI and IoT. If you want to push the boundaries of materials science and engineering to create next generation technology, join us to deliver material innovation that changes the world.  Key Responsibility: Expertise in PDK enablement and library  validation/automation. Hands-on experience with LVS/Parasitic extraction/standard cell characterization flows and methodologies Design/System level experience with DTCO and ...
1 comment
Read more