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Groups > sci.electronics.design > #462709
| From | rickman <gnuarm@gmail.com> |
|---|---|
| Newsgroups | sci.electronics.design |
| Subject | Re: Reliability of microcontroller silicon die glue on top of another die |
| Date | 2017-06-02 13:38 -0400 |
| Organization | A noiseless patient Spider |
| Message-ID | <ogs7kf$6qi$1@dont-email.me> (permalink) |
| References | (10 earlier) <38d9fef5-ee82-4618-8990-a7753a975f8e@googlegroups.com> <ogq9r0$tnp$1@dont-email.me> <7530b16d-d50a-437a-a4a8-3b6d988805f8@googlegroups.com> <ogrvii$jif$1@dont-email.me> <7f8931fb-e9d5-4a1b-b548-e78530e2ac6a@googlegroups.com> |
klaus.kragelund@gmail.com wrote on 6/2/2017 1:01 PM: > On Friday, 2 June 2017 17:21:13 UTC+2, rickman wrote: >> klaus.kragelund@gmail.com wrote on 6/2/2017 4:13 AM: >>> On Friday, 2 June 2017 02:04:06 UTC+2, rickman wrote: >>>> Klaus Kragelund wrote on 6/1/2017 7:47 PM: >>>>> Datasheet: >>>>> >>>>> http://www.gsense.com.cn/Uploadfiles/20144241734995881.pdf >>>> >>>> WTF? You had to find the data sheet on a third party web site??? >>>> >>>> Ok, I dug a bit at gsense.com and it seems they are the parent company. How >>>> did you find the data sheet? >>>> >>> >>> Google is your friend >> >> If I have to use Google to find a data sheet, I figure the company must not >> make the parts anymore or at least aren't looking for sales. >> >> >>>>> Price = 0.3 USD in volume, at least 25% cheaper than the STM32 >>>> >>>> Where did you get a price? >>>> >>> >>> Page 11: >>> >>> http://site.eettaiwan.com/events/iot/201607/pdf/GigaDevice-GD32-Cortex-M3-MCU-ECCN.pdf >> >> Ok, a BS marketing price. Which part, what quantity... >> >> >>>>> The process is split, so one is logic and SRAM. The other is flash. Always cheaper to separate technologies >>>> >>>> Huh? Having two die is not so cheap. If two separate die are "always" >>>> better, why do they combine the Flash with CPU in most cases for chips in >>>> this range? >>>> >>> >>> In this case it's cheaper, as far as I know because they only pay ARM licencing for a chip without flash, and they have good grip on the flash technology >> >> Who says it is cheaper? If you can't buy them it doesn't matter. I can't >> find anyone who sells them. >> >> >>>>> Operation from SRAM draws less current >>>> >>>> I don't see that in the numbers in the data sheet. ~300 uA/MHz. >>>> >>> >>> It's not specifically stated. For reference look up the STM32 datasheet >> >> The point is 300 uA/MHz is not even in the running for low power these days. >> The fact that running from SRAM *should* use less current doesn't mean >> their chips are competitive. I believe the forefront of low power ARMs is >> in the 100 uA/MHz these days. Am I mistaken? >> >> -- > Check for example the STM32F130 datasheet, page 42: > > http://www.st.com/content/ccc/resource/technical/document/datasheet/33/d4/6f/1d/df/0b/4c/6d/CD00161566.pdf/files/CD00161566.pdf/jcr:content/translations/en.CD00161566.pdf > > SRAM is about 10% lower power consumption than flash You are comparing the Giga part to an ST part that is 10 years old, right? 300 uA/MHz is not on the forefront of power efficiency. TI and Silicon Labs have CM3 and CM4 parts that can reach power consumption below 100 uA/MHz. The issue is not about features but about specifications. I don't care how an MCU gets low power. The Giga part is not in the realm of what is considered low power anymore. -- Rick C
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Reliability of microcontroller silicon die glue on top of another die klaus.kragelund@gmail.com - 2017-05-31 16:08 -0700
Re: Reliability of microcontroller silicon die glue on top of another die krw@notreal.com - 2017-05-31 19:22 -0400
Re: Reliability of microcontroller silicon die glue on top of another die Klaus Kragelund <klauskvik@hotmail.com> - 2017-05-31 23:27 -0700
Re: Reliability of microcontroller silicon die glue on top of another die krw@notreal.com - 2017-06-01 12:58 -0400
Re: Reliability of microcontroller silicon die glue on top of another die Lasse Langwadt Christensen <langwadt@fonz.dk> - 2017-06-01 10:14 -0700
Re: Reliability of microcontroller silicon die glue on top of another die rickman <gnuarm@gmail.com> - 2017-06-01 14:56 -0400
Re: Reliability of microcontroller silicon die glue on top of another die krw@notreal.com - 2017-06-01 18:21 -0400
Re: Reliability of microcontroller silicon die glue on top of another die Lasse Langwadt Christensen <langwadt@fonz.dk> - 2017-06-01 15:37 -0700
Re: Reliability of microcontroller silicon die glue on top of another die krw@notreal.com - 2017-06-01 18:40 -0400
Re: Reliability of microcontroller silicon die glue on top of another die Lasse Langwadt Christensen <langwadt@fonz.dk> - 2017-06-01 15:55 -0700
Re: Reliability of microcontroller silicon die glue on top of another die krw@notreal.com - 2017-06-01 19:03 -0400
Re: Reliability of microcontroller silicon die glue on top of another die Klaus Kragelund <klauskvik@hotmail.com> - 2017-06-01 16:47 -0700
Re: Reliability of microcontroller silicon die glue on top of another die Klaus Kragelund <klauskvik@hotmail.com> - 2017-06-01 16:51 -0700
Re: Reliability of microcontroller silicon die glue on top of another die pcdhobbs@gmail.com - 2017-06-01 17:09 -0700
Re: Reliability of microcontroller silicon die glue on top of another die Jim Thompson <To-Email-Use-The-Envelope-Icon@On-My-Web-Site.com> - 2017-06-01 17:12 -0700
Re: Reliability of microcontroller silicon die glue on top of another die krw@notreal.com - 2017-06-01 20:17 -0400
Re: Reliability of microcontroller silicon die glue on top of another die rickman <gnuarm@gmail.com> - 2017-06-01 20:04 -0400
Re: Reliability of microcontroller silicon die glue on top of another die klaus.kragelund@gmail.com - 2017-06-02 01:13 -0700
Re: Reliability of microcontroller silicon die glue on top of another die rickman <gnuarm@gmail.com> - 2017-06-02 11:21 -0400
Re: Reliability of microcontroller silicon die glue on top of another die klaus.kragelund@gmail.com - 2017-06-02 09:51 -0700
Re: Reliability of microcontroller silicon die glue on top of another die klaus.kragelund@gmail.com - 2017-06-02 10:01 -0700
Re: Reliability of microcontroller silicon die glue on top of another die rickman <gnuarm@gmail.com> - 2017-06-02 13:38 -0400
Re: Reliability of microcontroller silicon die glue on top of another die Klaus Kragelund <klauskvik@hotmail.com> - 2017-06-02 10:47 -0700
Re: Reliability of microcontroller silicon die glue on top of another die rickman <gnuarm@gmail.com> - 2017-06-02 15:22 -0400
Re: Reliability of microcontroller silicon die glue on top of another die Klaus Kragelund <klauskvik@hotmail.com> - 2017-06-02 12:36 -0700
Re: Reliability of microcontroller silicon die glue on top of another die rickman <gnuarm@gmail.com> - 2017-06-02 15:54 -0400
Re: Reliability of microcontroller silicon die glue on top of another die krw@notreal.com - 2017-06-01 20:20 -0400
Re: Reliability of microcontroller silicon die glue on top of another die krw@notreal.com - 2017-06-01 20:24 -0400
Re: Reliability of microcontroller silicon die glue on top of another die klaus.kragelund@gmail.com - 2017-06-02 01:19 -0700
Re: Reliability of microcontroller silicon die glue on top of another die krw@notreal.com - 2017-06-02 12:47 -0400
Re: Reliability of microcontroller silicon die glue on top of another die klaus.kragelund@gmail.com - 2017-06-02 09:56 -0700
Re: Reliability of microcontroller silicon die glue on top of another die krw@notreal.com - 2017-06-02 17:35 -0400
Re: Reliability of microcontroller silicon die glue on top of another die klaus.kragelund@gmail.com - 2017-06-02 15:43 -0700
Re: Reliability of microcontroller silicon die glue on top of another die krw@notreal.com - 2017-06-02 18:58 -0400
Re: Reliability of microcontroller silicon die glue on top of another die Klaus Kragelund <klauskvik@hotmail.com> - 2017-06-02 16:27 -0700
Re: Reliability of microcontroller silicon die glue on top of another die krw@notreal.com - 2017-06-02 19:31 -0400
Re: Reliability of microcontroller silicon die glue on top of another die whit3rd <whit3rd@gmail.com> - 2017-06-03 15:09 -0700
Re: Reliability of microcontroller silicon die glue on top of another die krw@notreal.com - 2017-06-03 20:35 -0400
Re: Reliability of microcontroller silicon die glue on top of another die whit3rd <whit3rd@gmail.com> - 2017-06-01 20:10 -0700
Re: Reliability of microcontroller silicon die glue on top of another die klaus.kragelund@gmail.com - 2017-06-02 01:22 -0700
Re: Reliability of microcontroller silicon die glue on top of another die krw@notreal.com - 2017-06-02 12:50 -0400
Re: Reliability of microcontroller silicon die glue on top of another die klaus.kragelund@gmail.com - 2017-06-02 01:24 -0700
Re: Reliability of microcontroller silicon die glue on top of another die David Brown <david.brown@hesbynett.no> - 2017-06-02 15:38 +0200
Re: Reliability of microcontroller silicon die glue on top of another die krw@notreal.com - 2017-06-02 12:51 -0400
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