MCUmall EPROM BIOS Chip Burner Forum
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cavemann

4 Posts
Posted - 10/01/2018 :  06:00:00  Show Profile  Reply with Quote
I am burning 27c2001 EPROMs. There is space to double write. Should I do it? What is the purpose of double writing?
Reply #1

anniel

2540 Posts
Posted - 10/01/2018 :  09:38:11  Show Profile  Reply with Quote
quote:
Originally posted by cavemann

I am burning 27c2001 EPROMs. There is space to double write. Should I do it? What is the purpose of double writing?



It charges the memory cells more strongly but takes more time.
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Reply #2

cavemann

4 Posts
Posted - 10/01/2018 :  10:39:21  Show Profile  Reply with Quote
Thanks. What effect does it have? More reliable EPROMs?
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Reply #3

anniel

2540 Posts
Posted - 10/01/2018 :  13:01:23  Show Profile  Reply with Quote
quote:
Originally posted by cavemann

Thanks. What effect does it have? More reliable EPROMs?


Yes. It ensures the proper voltage shift occurs at each gate.
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Reply #4

cavemann

4 Posts
Posted - 10/02/2018 :  08:17:53  Show Profile  Reply with Quote
Ok thanks.
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Reply #5

anniel

2540 Posts
Posted - 10/02/2018 :  12:59:50  Show Profile  Reply with Quote
You're welcome.
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Reply #6

haddin

Australia
2 Posts
Posted - 05/07/2019 :  00:31:22  Show Profile  Reply with Quote
Hi, I am new here & looking forward to your attention please!
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Reply #7

anniel

2540 Posts
Posted - 05/07/2019 :  02:44:22  Show Profile  Reply with Quote
quote:
Originally posted by haddin

Hi, I am new here & looking forward to your attention please!
What king of attention do you need?
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