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Simple PIC question

M

Marlowe

Jan 1, 1970
0
and also maybe also a stupid question ... what is the difference between a
PIC
chip (such as a 16F84) and the "A" version (such as a 16F84A) of that same
chip???
 
J

John Popelish

Jan 1, 1970
0
Marlowe said:
and also maybe also a stupid question ... what is the difference between a
PIC
chip (such as a 16F84) and the "A" version (such as a 16F84A) of that same
chip???

I assume that it is similar to the A or B version of many other
chips. The final letter represents a sort of parts with better
specifications than the unsuffixed part. You would have to download
and compare the data sheet for both versions to verify this.
 
B

Byron A Jeff

Jan 1, 1970
0
- and also maybe also a stupid question ... what is the difference between a
- PIC
- chip (such as a 16F84) and the "A" version (such as a 16F84A) of that same
- chip???

Different die. Updated functionality. Generally the A part comes later and is
cheaper than the original when it comes to PICs.

Also as an aside: 16F84 and 16F84A parts are virtually obsolete. You probably
came across one of the million 16F84[A] pages that exists out there. Microchip
is a fast mover and they have much much much much (can't say enough) much
better and cheaper parts now. I wrote a page on the subject here:

http://www.finitesite.com/d3jsys/16F88.html

Hope this helps,

BAJ
 
P

petrus bitbyter

Jan 1, 1970
0
Marlowe said:
and also maybe also a stupid question ... what is the difference between a
PIC
chip (such as a 16F84) and the "A" version (such as a 16F84A) of that same
chip???

They differ mainly in electrical specifications especially the programming
prescription. They are both obsolete now. Newer types are better and
cheaper.

petrus bitbyter
 
S

Sergio Masci

Jan 1, 1970
0
Marlowe said:
and also maybe also a stupid question ... what is the difference between a
PIC
chip (such as a 16F84) and the "A" version (such as a 16F84A) of that same
chip???

I answered this question posted in a different newsgroup.
 
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