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Microcontroller supply chain is out of control

5/7/2011 00:30 AM EDT
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aghubril
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re: Microcontroller supply chain is out of control
aghubril   5/11/2011 2:38:07 PM
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Last year's number 1 (Renesas Technology) and number 2 (NEC Electronics) merged to form this year's Renesas Electronics.

JPL
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re: Microcontroller supply chain is out of control
JPL   5/11/2011 12:07:37 PM
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In the Gartner Inc chart, who was #2 in 2009 and dropped off the chart in 2010? This data looks suspicious to me. but the article is still interesting

cdhmanning
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re: Microcontroller supply chain is out of control
cdhmanning   5/11/2011 3:27:17 AM
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"deign with older chip sets...". Like what? The last micro I saw with drop-in replacements was the 8031 which was available from Intel, OKI, and others. About the only real choice is to do one of: 1) Design your PCBs with overlapping footprints (eg. on on each side of the board) to take similar parets from different vendors (eg. an ST and an NXP part with similar peripherals) and onlyt use the common peripherals. 2) Move towards FPGAs so you can roll your own (and do multi-footprint to multi-source your FPGA). IEEE standards will only work if you can have consistent sets of peripherals too.

GordDavison
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re: Microcontroller supply chain is out of control
GordDavison   5/10/2011 4:52:38 PM
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That is why manufactures need to either deign with older chip sets that have duplicate manufacturers or take control of the supply chain and start telling the manufactueres what to supply. The second choice is long term but would be the best approach. The manufacturer would define the interface and performace. the supliers build it. Kind of like an IEEE standard. Sounds great!!

Bill Chase
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re: Microcontroller supply chain is out of control
Bill Chase   5/10/2011 3:39:24 AM
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Excuse me Pat: But for newer processors, there ARE NO drop in replacements. "Designers should endeavor to make sure there is another form, fit and function compatible solution" is not a design reality. Bill in Santa Cruz

Patk0317
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re: Microcontroller supply chain is out of control
Patk0317   5/9/2011 10:42:25 PM
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This is why second sourcing exists. Designers should endeavor to make sure there is another form, fit and function compatible solution. Even if the second source is not yet completely qualified, a second source could be used with more testing on the back end while qualification is being performed in parallel. Better to keep shipping a bit slower than usual than not at all.

Robotics Developer
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re: Microcontroller supply chain is out of control
Robotics Developer   5/9/2011 7:45:47 PM
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I would expect that there will be shortages and longer lead times for some MCUs. I wonder how likely a company redesign of an existing product is given the respin of the PCBs, the software redesign, feature set differences, IDE/SDK tool differences. Possibly in the long term this will hurt the market share of those suppliers that are Japan centric. Perhaps, the take away lesson here is: have diverse geographic production for all critical ICs.

agk
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re: Microcontroller supply chain is out of control
agk   5/9/2011 8:34:41 AM
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This time the business switches to many others in the foundary field.This shows a loss to particular set of people gives a profit other set of people. Nature governs this policy very well.

_hm
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re: Microcontroller supply chain is out of control
_hm   5/8/2011 11:57:13 AM
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This is unfortunate for Renesas and many other Japanese vendors. Can Renesas be more innovative to resolve this problem in other technical way? N2 and N3 foundry made some specific parts, can these parts be substituted with other dropin replacement parts? They can work with some customer and help them mitigate their problems.

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