VORAGO TECHNOLOGIES. Cost-effective rad-hard MCU Solution for SmallSats Ross Bannatyne, VORAGO Technologies

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1 VORAGO TECHNOLOGIES Cost-effective rad-hard MCU Solution for SmallSats Ross Bannatyne, VORAGO Technologies

2 V O R A G O Te c h n o l o g i e s Privately held fabless semiconductor company headquartered in Austin, TX Patented HARDSIL foundation technology Focussed on space technology since Commercializing technology since 2015 VORAGO Technologies, Austin, Texas. HARDSIL Te c h n o l o g y Patented semiconductor technology (13 patents to date) Licensed to LSI, TI and Global Foundries Embedded into standard CMOS manufacturing process o Standard manufacturing equipment o Fully design agnostic o Enhances EOS/ESD performance o Eliminates latch-up o Improves noise floor immunity o Enables high temperature performance beyond 200 C Hardens silicon against radiation, temperature and electrical stress H A R D S I L Pr o d u c t s Radiation hardened portfolio up to 300k RAD o 8M & 16M SRAMs o ARM Cortex -M0 MCU High temperature portfolio 200 C o ARM Cortex -M0 MCU

3 C o m p o n e n t O p t i o n s f o r C u b e S a t s RAD HARD COT S Lots of choices State-of-the-art Inexpensive Risky Up- s c r e e n i n g i s p a y i n g t o r e d u c e r i s k Limited choices Legacy art Expensive Not so risky

4 C o m p o n e n t O p t i o n s f o r C u b e S a t s COT S VORAGO products are rad-hard

5 C o m p o n e n t O p t i o n s f o r C u b e S a t s VORAGO CMOSbased HARDSIL technology enables rad-hard COT S solutions at a price lower than up-screening COTS

6 W h a t i s r a d i a t i o n - i n d u c e d l a t c h - u p? V ss V dd R pwell p-well Forward Biased NPN Substrate (p-well) n-well PNP Forward Biased R nwell

7 W h a t i s r a d i a t i o n - i n d u c e d l a t c h - u p? V ss V dd Short circuit VDD-VSS p-well n-well Forward Biased NPN PNP Forward Biased R nwell R pwell Substrate (p-well)

8 H o w d o e s H A R D S I L p r e v e n t l a t c h - u p? V ss V dd p-well n-well PNP NPN R nwell Buried Guard Ring R pwell Substrate (p-well) HARDSIL creates a highly conductive layer underneath the CMOS devices and wells combined with a high conductivity connection to well contacts

9 H o w d o e s To t a l I o n i z i n g D o s e ( T I D ) c a u s e m y d e v i c e t o f a i l? V ss V dd p-well n-well PNP NPN R nwell R pwell Substrate (p-well) Positive charge build-up in regions

10 H o w d o e s To t a l I o n i z i n g D o s e ( T I D ) c a u s e m y d e v i c e t o f a i l? V ss V dd p-well n-well PNP NPN R nwell R pwell Substrate (p-well) Positive charge build-up in creates low resistance pathways that allow to n-well leakage

11 H o w d o e s t h e VA d e a l w i t h S i n g l e E v e n t U p s e t s? SEU Memory SEU Logic EDAC (detect 2 correct 1 bit, per byte) Scrub Engine programmable rate, prevents accumulated uncorrectable errors Layout designed to space logically adjacent bits apart SER EDAC enabled 1e-15 errors / bit-day* HARDSIL reduces SEEs DICE latches TMR DICE latches All internal registers Clock glitch filters HARDSIL reduces SEEs * At geosynchronous solar min. with 100 mils of aluminum shielding

12 VA10820 Radiation-hardened ARM Cortex -M0 Microcontroller Key Features and Advantages Latch up Immune with HARDSIL Hardened by Process Technology Power Gating and Hardware Debugger 32KB Data and 128KB Program Memory 1Kb One Time Programmable Configuration Memory (OTP) 24 Counter/Timers with Extensive Hardware/Software Triggering 3 SPI (one SPI is master only), 2 I 2 C, and 2 UART External Interfaces 56 Multiplexed General Purpose 3.3V I/O (GPIO) Specifications Total Ionizing Dose (TID) 300K rad(si) Soft Error Rate (SER) with EDAC disabled 1.3e-7 errors/bit-day Soft Error Rate (SER) with EDAC enabled 1e-15 errors/bit-day Linear Energy Transfer (LET) 110 MeV-cm2/mg (at T=125C) Description Part number Environment Temperature Range Package Radiationhardened microcontroller VA D0000F0PCA Rad-hard 300K rad (Si) -55 to 125 C Die Radiationhardened microcontroller VA CQ128F0ECA Rad-hard 300K rad (Si) -55 to 125 C Ceramic 128 LQFP Radiationhardened microcontroller VA PQ128F0PCA Rad-hard 300K rad (Si) -55 to 125 C Plastic 128 LQFP

13 Tw o C o m m o n U s e - C a s e s f o r V O R A G O M C U s i n C u b e S a t s To d a y Standalone OBC System Monitor / Watchdog Main system controller Tech Brief available (Pumpkin compatible board) Monitor FPGA and other subsystems Configuration of FPGA

14 ARM C o r t e x - M 0 i s o p t i m i z e d f o r l o w p o w e r c o n s u m p t i o n Clock gating implemented on all peripherals WFI (Wait For Interrupt) instruction idles CPU CPU frequency can be adjusted to reduce power VA10820 MCU IDD Breakdown Power management Application Note available VA10820 MCU Core IDD with Operating Frequency

15 REB1- VA D e v e l o p m e n t B o a r d Huge ecosystem of development tools All popular ARM compilers support VORAGO Board Support Package available Application notes available Supplier ARM Keil IAR Systems isystem FreeRTOS Software Development Kit MDK Microcontroller Development Kit IAR Embedded Workbench winidea Real-time Operating System

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