attiny13a shortage

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I've just checked availability for attiny13a MCUs and found it's unavailable on all the stores I tried (EU stores). Stock is empty and lead time is months away or undefined. Is there an attiny13 shortage right now? Is this situation common to all MCUs? Are there replacement MCUs I could use with similare features? I need a low priced, THT MCU with 5 GPIOs.

 

I'm quite worried now because I need to build some 200+ PCBs with that particular MCU. I can re-design the PCBs and maybe port the software but I must find a solution as soon as possible.

 

Thanks!

 

 

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Welcome to AVRFreaks!

 

leonardodo wrote:
Is this situation common to all MCUs?

Yes

leonardodo wrote:
Are there replacement MCUs I could use with similare features?

Yes, Tinyx5, such as tiny25, 45, 85, some of the AVR 0/1 chips may be available in 8pin packages

 

 

 

Keys to wealth:

Invest for cash flow, not capital gains!

Wealth is attracted, not chased! 

Income is proportional to how many you serve!

Lets go Brandon!

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There is a global shortage of silicon.

This condition will continue for some time.
The situation does not change even if you change the chip.

 

https://www.microchipdirect.com/...

Last Edited: Mon. Sep 20, 2021 - 05:12 PM
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There are some avail on Octopart....did you look?

 

type in attiny13

 

https://octopart.com/search?q=at...

 

When in the dark remember-the future looks brighter than ever.   I look forward to being able to predict the future!

Last Edited: Mon. Sep 20, 2021 - 06:18 PM
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Going to digikey.com showed that Rochester Electronics seems to have the ATtiny13V in thru-hole in stock 

  https://www.rocelec.com/search?q...

They also have the ATtiny13a in SOIC8... so maybe a little SOIC to DIP adapter will help?

They seem to have European presence also: https://www.rocelec.com/about/lo...

Good luck - HTH!

Mike

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leonardodo wrote:
... and lead time is months away or undefined.
long lead time (45 to 52 weeks)

leonardodo wrote:
Is there an attiny13 shortage right now?
Yes though package dependent.

tiny13A is wafer fab'd by Microchip Tempe; apparently there's relief as some packages are arriving "soon".

leonardodo wrote:
Is this situation common to all MCUs?
Can't answer with a generalization as I don't know the answer.

AVR XMEGA? Yes

AVR Dx? No (partially)

leonardodo wrote:
Are there replacement MCUs I could use with similare features?
tiny202 though that's AVRxt computer architecture.

leonardodo wrote:
THT
ouch (I don't mean leads up in the carpetwink

 

P.S.

leonardodo wrote:
I'm quite worried now ...
One shouldn't worry though one should "ride herd" on the BOM; "herd" it is as, like calves, they'll go every which way (lead time fluctuates)

 


ATtiny13A | Microchip Technology

https://www.microchipdirect.com/product/search/all/attiny13a?start=0&rows=50

 

Lead Time | World's Largest Inventory of Microchip Products (the most recent weekly e-mail arrived Sunday mid-evening US CDT)

 

Tempe Fab 2, Gresham Fab 4 | AVR Freaks

 

ATTINY202 | Microchip Technology

tinyAVR® Devices | AVR® Instruction Set Manual

 

"Dare to be naïve." - Buckminster Fuller

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The company I work for has been redesigning its products around what supplies of chips it can find, new pcb layouts are allowing for different package styles SMD for the same or similar parts.

It helps to be flexible. 

 

Keys to wealth:

Invest for cash flow, not capital gains!

Wealth is attracted, not chased! 

Income is proportional to how many you serve!

Lets go Brandon!

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I have designed for the Tiny13.  I find it best to use assembly language because there are only 1K of flash to work with, and I didn't know C at the time that I was doing Tiny13.  I could build a remote terminal by connecting a PS2 ASCII keyboard (the old purple connector type) and display on a Nokia 5110 LCD graphics screen.

 

If you can't find enough Tiny13 ICs then you might be able to transfer the work to another CPU.  At 1K flash max (512 instructions), any program is small enough to be re-written on the source code level.   If you have to go this way, you'll probably want to stay as close to the code that you already have for the Tiny13.  The Tiny 25,45,85 are 8-pin DIPs that are nearly-code identical to the Tiny13. The Tiny24,44,84 are 14-pin DIPs that run identical  code to the 8-pin Tiny25s.  You could use pliers to bend the extra pins off the PCB: the so-called "dead bug on the PCB" rework strategy.

 

The newer 1K AVR is the Tiny10.  It's 6-pins and incredibly small, physically. It uses a new but simple device programmer.  And it only costs thirty cents!   But, it is rather small...

 

There are lots of small chip companies that make 1K flash microcontrollers with ADC,UART,I2C,SPI very cheaply for mass embedded applications.

 

This might be a time to consider a 'leap frog' business move.  Consider doing a major upgrade on your product.  Something that would use a 32-bit 100MHz 4Meg flash microcontroller with WiFi and Bluetooth.  I have noticed that the ESP32 WVROOM  and WeMos boards have not seen the same shortages as the IC component suppliers.  You can still get a few hundred or so on eBay for about $3 each: https://www.ebay.com/itm/1939288...

 

Sure, it's a leap going from a 1K flash 8MHz with softUART to a 4Megabyte flash, 100Mhz CPU with on-board WiFi, I2C, UART, SPI, USB.  But you can program it in Arduino, and you're only going from a one-dollar legacy CPU to a 3 dollar pre-manufactured module board.

Last Edited: Mon. Sep 20, 2021 - 07:48 PM
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Simonetta wrote:
The newer 1K AVR is the Tiny10.  It's 6-pins and incredibly small, physically. It uses a new but simple device programmer.  And it only costs thirty cents!
The follow-on are tiny102 and tiny104 (bootloader, USART, 3% factory oscillator, more ADC channels, BG can be connected to AC, one additional PCINT) though at 0.52USD each for one tube.

 

AT13053: Differences between ATtiny4/5/9/10 and ATtiny102/104

https://www.microchipdirect.com/product/search/all/ATtiny102

 

"Dare to be naïve." - Buckminster Fuller

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the automotive variant AVR's may have a better supply as the car companies are pushing heavily for more chips as assembly lines are slowing or stopping now due to the shortage of chips.

Although they may cost more.... 

Actually, just about everything will cost more from here on out!

 

Keys to wealth:

Invest for cash flow, not capital gains!

Wealth is attracted, not chased! 

Income is proportional to how many you serve!

Lets go Brandon!

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"Dare to be naïve." - Buckminster Fuller

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Thanks everybody for helping!

 

I'll check if I can source some ATtiny13 before changing the PCB design and/or the software. I need them for a school project (gadgets for kids) so we're tight both in budget and manpower.

 

avrcandies wrote:

There are some avail on Octopart....did you look?

 

type in attiny13

 

https://octopart.com/search?q=at...

 

I found some attiny13 variants that should do such as ATtiny13-20PU, ATtiny13V-10PU, ATtiny13-10PQ and some of the stores seem to have stock. I'll ask for quotes and shipping dates.

 

I could also consider using an SMD package (more stock available) and have it soldered at the fab. In such scenario programming would be harder though.

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No pcb changes for tiny25/45/85, as these are pin compatible!

 

Keys to wealth:

Invest for cash flow, not capital gains!

Wealth is attracted, not chased! 

Income is proportional to how many you serve!

Lets go Brandon!

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leonardodo wrote:
In such scenario programming would be harder though.
Programming Center | World's Largest Inventory of Microchip Products

A distributor may value add by offering programming.

 


AVR8 on Microchip Direct | AVR Freaks

"Dare to be naïve." - Buckminster Fuller

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I would advise anyone looking to buy any quantity of components, even a relatively small amount, to be sitting down when they see the price and lead time. 

#1 Hardware Problem? https://www.avrfreaks.net/forum/...

#2 Hardware Problem? Read AVR042.

#3 All grounds are not created equal

#4 Have you proved your chip is running at xxMHz?

#5 "If you think you need floating point to solve the problem then you don't understand the problem. If you really do need floating point then you have a problem you do not understand."

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Brian Fairchild wrote:
... to be sitting down when they see the price and lead time.
... versus standing up with head up.

An advantage of large businesses is the presence of buyers and parts lists (qualified, preferred); buyers will track stock (quantities, rates) vs lead time and executives analyze risks.

The ones at SMB/SME might consider automation.

Search API | Mouser Electronics

[mid-page]

  • Lead Time

...

  • Pricing Information (up to 4 price breaks)

...

API Registration | Octopart

Your Choice: Pro

...

Pricing

...

Lead Time

...

 

edit :

Availability of ATTINY3216 | AVR Freaks

 

"Dare to be naïve." - Buckminster Fuller

Last Edited: Wed. Sep 22, 2021 - 06:06 PM
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leonardodo wrote:

Thanks everybody for helping!

 

I'll check if I can source some ATtiny13 before changing the PCB design and/or the software. I need them for a school project (gadgets for kids) so we're tight both in budget and manpower.

 

avrcandies wrote:

There are some avail on Octopart....did you look?

 

type in attiny13

 

https://octopart.com/search?q=attiny13a&currency=USD&specs=0

 

I found some attiny13 variants that should do such as ATtiny13-20PU, ATtiny13V-10PU, ATtiny13-10PQ and some of the stores seem to have stock. I'll ask for quotes and shipping dates.

 

I could also consider using an SMD package (more stock available) and have it soldered at the fab. In such scenario programming would be harder though.

Couldn't you just solder the SMD part onto a breakout board to through hole headers? No redesign of your main PCB, no rewriting and retesting code, and presumably easy enough to use with your existing programming solution.

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The world is coming to an end.

Suppose you are travelling in the middle of the universe, and there is a sign, "<West  East>", and a guy standing there.  Then you ask the guy, "what means this sign?"  The guy answers, "well, the West leads to a planet where you can find AtTiny13 chips any quantity you want, but no apples, the East leads to shortage of microchips, but lots of bananas"...  Then you ask the guy "... but but why?", and the guy "because a new coronavirus".

 

I love AtTiny13, always used them.  From LED candlelight flickering for Christmas, to simple sound generator and some crude music player for toys, even used as a PS/2 keyboard auto-typer for a repetitive application after motherboards power-on, PWM sweeper to drive and test Power MosFETs with loads, simple programmable timers and pulsers (better than 555),  stepper motor up/down (button) control at laser cutter platform, power supply electronic load control (current and waveforms), and so on.   

 

The little bug is perfect, you can be fascinated by what you can do with only 512 instructions, low price, small size (the SOIC is very good to fit anywhere and easy to solder).

 

I can even have a full day without coffee, for me coffee is like air to breathe, but I can not go through a day without an AtTiny13.

 

I would choose WEST, no doubt, damn the bananas.

Wagner Lipnharski
Orlando Florida USA

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I was cleaning up my lab at home last weekend and came across an unopened package of tiny13's (qty 25), PM me if your desperate, I have no real need for them.

I may ebay them.

 

 

 

 

Keys to wealth:

Invest for cash flow, not capital gains!

Wealth is attracted, not chased! 

Income is proportional to how many you serve!

Lets go Brandon!

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I may have 200+pcs of attiny10 that I can spare, I have a full reel but cannot let them all go, you can pm me if you need some.

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Perfect devotion to ATtiny13, and I am affectionate, too.

 

My next project, or thread can be Two-way fast AVR communications Tiny13Protocol and intention is to teach this little wonder to speak and listen.

It is affordable, the core-code size for communication (Interrupt handling) is about 90 ASM instr.

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I personally ordered for myself here: Programming Center | World's Largest Inventory of Microchip Products   and got everything I wanted! There is a huge selection for any needs!

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ALAN-05WOJS872 | Product Change Notification | Microchip

...

 

Title

CCB 3012.002 Final Notice: Qualification of MMT as an additional assembly site for selected Atmel ATTINY102 device family available in 8L SOIC (150mils) package.

 

...

 

Attachments

PCN_ALAN-05WOJS872_Pre and Post Change_Summary_RevA.pdf

PCN_ALAN-05WOJS872_Qual Report.pdf

 

...

 

Estimated First Ship Date:
December 13, 2021 (date code: 2151) 

 

...

 

"Dare to be naïve." - Buckminster Fuller