MCUmall EPROM BIOS Chip Burner Forum - What chip/eprom is this, please?

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What chip/eprom is this, please?

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brchip

Brazil
23 Posts

Posted - 03/22/2012 : 08:17:26

I'm trying to find out what kind of chip is this:

[IMG]h**p://img593.imageshack.us/img593/6581/chip1d.jpg[/URL] at 2012-03-21

It's from this Alfa 156 remote key fob:

[IMG]h**p://img51.imageshack.us/img51/3827/boardvo.jpg[/URL] at 2012-03-21

The chip is labeled:

B 87AF
S 1080
49002

I guess it's an eprom, right? Which one? Is it possible to read/copy this eprom?

Edited by - brchip on 03/22/2012 10:38:20

Reply #1

brchip

Brazil
23 Posts

Posted - 03/24/2012 : 07:46:19

No one knows?

Reply #2

brchip

Brazil
23 Posts

Posted - 08/05/2012 : 09:05:29

Im' still looking for this info about the above chip....anyone?

Reply #3

ZLM

2945 Posts

Posted - 08/07/2012 : 10:12:37

Those are not chip manufacture released part number. It is not easy to make a guess.

Reply #4

brchip

Brazil
23 Posts

Posted - 08/09/2012 : 10:16:02

Thank you! I think you're right, it could be a Crystal multiplier, makes all the sense. But the pin configuration seems different from the circuit I have. I found this Datasheet for the DS1080L:

www.icmade.com/datasheet/64/DS1080L_DALLAS_183269.pdf" target="_blank">h p://www.icmade.com/datasheet/64/DS1080L_DALLAS_183269.pdf

But in my key circuit, for instance, I have:

Pin 1 = GND
Pin 7 = GND
Pin 8 = Vcc

But it's a good clue! Please let me know if you have any other ideas.

Best regards!

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