RetroBrew Computers Forum: General Discussion » Mostek MK5012P. What is this?

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Mostek MK5012P. What is this? [message #8383]

Sun, 14 March 2021 10:11

guus.assmann
Messages: 50
Registered: May 2018
Location: Netherlands

Member

Hello,

The topic says it all(most).
I have a very nice looking Mostek chip.
White with grey ceramic and gold pins.
And a big square lit of purple ceramic.
But looking nice is not good enough for me.
I want to know what it is. And if possible, use it.

So the question: Does anybody have a data sheet for this circuit?
And No, Google came up empty for me when looking for the part number.

BR/
Guus

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Re: Mostek MK5012P. What is this? [message #8384 is a reply to message #8383]

Sun, 14 March 2021 11:57

scruss
Messages: 62
Registered: December 2015
Location: Toronto, Canada

Member

Like the one here: http://www.calcuseum.com/SCRAPBOOK/BITMAP/BONUS/17142/_SMD69 214.PDF ?
It's a very pretty chip indeed. 12-digit 4-function calculator chip, if the ad on page 16 of this PDF is to be believed: https://ieeexplore.ieee.org/stamp/stamp.jsp?arnumber=5219109

Using it? No idea.

> Does anyone know what each of the pins on the 6502 CPU chip in the Apple II Plus does?
They all plug into the socket on the motherboard to keep the chip from drifting away. - c.s.a2 FAQ of yore

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Re: Mostek MK5012P. What is this? [message #8385 is a reply to message #8384]

Tue, 16 March 2021 13:56

guus.assmann
Messages: 50
Registered: May 2018
Location: Netherlands

Member

Thanks, it helps a bit.
At least I know what it is.
And I'm pretty sure I should have a datasheet somewhere.
I must have bought this chip a long time ago at a Tandy or Radio-Shach store. (Archer ? Wink

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