Re: Can I use a 27C040 eprom instead of 27C020?

From: mike (spamme0_at_netscape.net)
Date: 03/26/05


Date: Sat, 26 Mar 2005 05:37:21 -0800

Mike Harrison wrote:
> On Sat, 26 Mar 2005 01:05:12 -0800, mike <spamme0@netscape.net> wrote:
>
>
>>Nick wrote:
>>
>>>I need to burn some data onto a 27C020 EPROM but can't get my hands on one.
>>>Can I use a 27C040 instead????
>>>
>>>
>>
>>Haven't done this since the 2764 days, but you need to make sure you
>>don't have any floating address lines. If there's an extra address pin,
>>you can tie it high, low or to the next lowest address pin, depending on
>>which is easier in your circuit. Program it in the same configuration.
>
>
> Remember to duplicate the data over the two halves of the chip,
>

Why?
mike

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