Web1 Jan 2024 · There are two main categories of latch-up, internal latch-up (ILU) and external latch-up (ELU). For the ILU event trigger, a few factors include the internal circuit creating … WebInterest in latchup is being renewed with the evolution of complimentary metal-oxide semiconductor (CMOS) technology, metal-oxide-semiconductor field-effect transistor (MOSFET) scaling, and high-level system-on-chip (SOC) integration. Clear methodologies that grant protection from latchup, with insight into the physics, technology and circuit …
Latch-up issue in CMOS Logic Latch-up effect in VLSI
Web29 Jan 2024 · Prevention technique for latchup : To reduce gain product ß1 X ß2 : Move nwell & N+ source & drain farther apart increases width of base of Q1 and reduce gain ß1 and tthat will reduce Ic current . Buried N+ layer in well reduce gain of Q2 (ß2) Reduce well and substrate resistances, producing lower voltage drops : Web19 Oct 2005 · Focused, pulsed laser-light is used to investigate single-event latchup in an analog-to-digital converter (AD9240) through the generation of charge collection spectra and their dependence on bias ... fed live now
Latchup in voltage tolerant circuits: a new phenomenon
Web• Latchup is caused by the triggering of parasitic bipolar structures within an integrated circuit when applying a current or voltage stimulus on an input, output, or I/O pin or by an … WebMarty Johnson, Roger Cline, Scott Ward, Joe Schichl ABSTRACT This document describes and discusses the topic of CMOS Latch-Up ranging from theory to testing of products. … Web22 Jan 2009 · Strictly speaking, latch-up is a process of firing up a parasitic thyristor formed by juctions n+/substaret/nwell/p+. In a commonly used layout slang, latch-up is a substrate or nwell tie used to prevent the firing up of the parasitic thyristor. This tie prevents the junctions to become forward biased. Jan 24, 2005. #3. deer shoulder mounts styles