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Re: What's the maximum RAM size that can be embedded in an ASIC today?

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Robert Wessel <robertwessel2@yahoo.com> writes:

> On Tue, 27 Aug 2013 19:46:59 -0700, Don Y <this@isnotme.com> wrote:
>
>>Hi John,
>>
>>On 8/27/2013 4:51 PM, John Speth wrote:
>>> On 8/26/2013 2:23 PM, Stef wrote:
>>>> In comp.arch.embedded,
>>>> Grant Edwards <invalid@invalid.invalid> wrote:
>>>>> On 2013-08-26, John Speth <johnspeth@yahoo.com> wrote:
>>>>>
>>>>>>> In general, what would be the maximum I could fit, if cost is not a
>>>>>>> limitation?  Why?
>>>>>>
>>>>>> I love answering these no-cost-limitation questions. :)
>>>>>>
>>>>>> There is no limit to how much RAM you can fit onto an ASIC if cost is
>>>>>> not a constraint.
>>>>>
>>>>> Indeed.  If current fabs and wafer-processing tools are a limit, then
>>>>> with unlimited funds you can build your own fab, make your own tools,
>>>>> and develop your own fancy new 4D transistor geometries,
>>>>> electron-spin-cells, or sub-atomc-size black holes to be used as
>>>>> memory elements.
>>>>
>>>> The post's subject puts a huge constraint on approaches like that:
>>>> It has to happen today.
>>>
>>> Ok then.  I'll change my answer.  It's not possible to fit any amount of
>>> RAM on an ASIC today.  ASIC design cycles take more than one day.
>>
>>Um.... no.  Technically, an FPGA qualifies as an ASIC.  So, you
>>could design and produce a functioning "ASIC" in a single 24 hr
>>period (assuming you had the tools and components in place before
>>you started).
>
>
> Eh?  By definition, an FPGA is *not* an ASIC.  An FPGA is general
> purpose (FSVO "general purpose") part, and not "Application
> Specific...".

Agreed. There are also very significant differences at the silicon
level.
-- 
Randy Yates
Digital Signal Labs
http://www.digitalsignallabs.com

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What's the maximum RAM size that can be embedded in an ASIC today? juangui.jg@gmail.com - 2013-08-23 15:44 -0700
  Re: What's the maximum RAM size that can be embedded in an ASIC today? Don Y <this@isnotme.com> - 2013-08-23 16:17 -0700
  Re: What's the maximum RAM size that can be embedded in an ASIC today? rickman <gnuarm@gmail.com> - 2013-08-23 23:18 -0400
  Re: What's the maximum RAM size that can be embedded in an ASIC today? Robert Wessel <robertwessel2@yahoo.com> - 2013-08-23 23:46 -0500
  Re: What's the maximum RAM size that can be embedded in an ASIC today? Paul <paul@pcserviceselectronics.co.uk> - 2013-08-24 09:33 +0100
  Re: What's the maximum RAM size that can be embedded in an ASIC today? upsidedown@downunder.com - 2013-08-24 12:28 +0300
  Re: What's the maximum RAM size that can be embedded in an ASIC today? John Speth <johnspeth@yahoo.com> - 2013-08-26 10:58 -0700
    Re: What's the maximum RAM size that can be embedded in an ASIC today? Grant Edwards <invalid@invalid.invalid> - 2013-08-26 18:10 +0000
      Re: What's the maximum RAM size that can be embedded in an ASIC today? Stef <stef33d@yahooI-N-V-A-L-I-D.com.invalid> - 2013-08-26 23:23 +0200
        Re: What's the maximum RAM size that can be embedded in an ASIC today? Grant Edwards <invalid@invalid.invalid> - 2013-08-26 21:48 +0000
        Re: What's the maximum RAM size that can be embedded in an ASIC today? John Speth <johnspeth@yahoo.com> - 2013-08-27 16:51 -0700
          Re: What's the maximum RAM size that can be embedded in an ASIC today? Don Y <this@isnotme.com> - 2013-08-27 19:46 -0700
            Re: What's the maximum RAM size that can be embedded in an ASIC today? Robert Wessel <robertwessel2@yahoo.com> - 2013-08-28 01:07 -0500
              Re: What's the maximum RAM size that can be embedded in an ASIC today? Don Y <this@isnotme.com> - 2013-08-28 00:48 -0700
                Re: What's the maximum RAM size that can be embedded in an ASIC today? Robert Wessel <robertwessel2@yahoo.com> - 2013-08-29 16:22 -0500
              Re: What's the maximum RAM size that can be embedded in an ASIC today? Randy Yates <yates@digitalsignallabs.com> - 2013-08-28 08:44 -0400
            Re: What's the maximum RAM size that can be embedded in an ASIC today? Grant Edwards <invalid@invalid.invalid> - 2013-08-28 14:11 +0000
              Re: What's the maximum RAM size that can be embedded in an ASIC today? Paul <paul@pcserviceselectronics.co.uk> - 2013-08-29 09:18 +0100
                Re: What's the maximum RAM size that can be embedded in an ASIC today? Spehro Pefhany <speffSNIP@interlogDOTyou.knowwhat> - 2013-08-29 10:20 -0400
                Re: What's the maximum RAM size that can be embedded in an ASIC today? Paul <paul@pcserviceselectronics.co.uk> - 2013-08-29 22:40 +0100
                Re: What's the maximum RAM size that can be embedded in an ASIC today? Paul Rubin <no.email@nospam.invalid> - 2013-08-30 01:10 -0700
                Re: What's the maximum RAM size that can be embedded in an ASIC today? Paul <paul@pcserviceselectronics.co.uk> - 2013-08-30 12:40 +0100

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