I received an email from Mouser stating that Microchip has changed the End of Life for the ATTiny84A-PU to not recommended for new designs.
Is there a substitute for this? Something that fits between the ATTiny85 and ATMega328, and can be programmed using Arduino as ISP? I use an Uno to program the 84.
Thanks
And you mean it needs to be DIP form factor? No SMD?
The new generation Attiny is SMD only, so I would not be surprised if all DIP packages will be end of life at some point. Maybe this is a good moment to start experimenting with the modern Attinies supported by megaTinyCore.
You can still use them in a breadboard of you solder them on a DIP adapter plate.
I may have jerked my knee too soon. I see the ATTiny84-PU was deemed EOL in about 2015 and they are still available. No need to start stocking up yet.
I like to keep life simple when possible. I'm set in my ways. My system works for me for now. Maybe some day when it's forced on me.
No……. 
Did some research and found the Attiny4313/2313.
ATTiny84A-PU
Mouser have a few thousand in stock and they are about £1.50 ea, buy a few and stock up ! ( 25 for £30)
Problem sorted !!
( generally I think dil packages are starting to disappear , problem for all experimenters )
Which are another 2 years older than the Attiny84.
I am getting rid of all my DIL packages as the pins are too fragile for experimenting.
This AT85 has been living on it's adapter plate in a drawer for years now. It has sustained an amount of abuse that would have cost his DIL brother all of it's legs.
Thanks for the Wiki link. I found that helpful.
I realized I overreacted when I received the notice and panicked. There are MANY components out there that have been on the "Not Recommended" list for years and are still available.
I've calmed down
It's not JUST the tiny84 DIPs that are going EOL. Many DIP devices that are popular in the Arduino community are apparently getting axed, including the ATmega8a, ATmega168P, ATmega32A, and ATmega644P
Recent EOL notice
List of affected devices
(The earlier 2015 EOL notice was "retracted", BTW. This is a NEW EOL notice. )
Thank you for clarifying this. It all makes sense now.
We can still buy the PIC16F877 all day though, for a price.
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