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SubjectRe: Figuring out EPROM pinouts  
Posted byRod Woodson
Posted on5/15/02 9:49 PM
From IP216.170.25.222  



---U---
CHR A17 - |01 32| - +5V
CHR /RD - |02 31| - CHR /A13
CHR A15 - |03 30| - +5V
CHR A12 - |04 29| - CHR A14
CHR A7 - |05 28| - CHR A13
CHR A6 - |06 27| - CHR A8
CHR A5 - |07 26| - CHR A9
CHR A4 - |08 25| - CHR A11
CHR A3 - |09 24| - CHR A16
CHR A2 - |10 23| - CHR A10
CHR A1 - |11 22| - GND
CHR A0 - |12 21| - CHR D7
CHR D0 - |13 20| - CHR D6
CHR D1 - |14 19| - CHR D5
CHR D2 - |15 18| - CHR D4
GND - |16 17| - CHR D3
-------


+--()--+
VPP | 1 32| VCC
A16 | 2 31| PGMB
A15 | 3 30| A17
A12 | 4 29| A14
A7 | 5 28| A13
A6 | 6 27| A8
A5 | 7 26| A9
A4 | 8 25| A11
A3 | 9 24| OEB
A2 |10 23| A10
A1 |11 22| CEB
A0 |12 21| DQ7
Q0 |13 20| DQ6
DQ1 |14 19| DQ5
DQ2 |15 18| DQ4
VSS |16 17| DQ3
+------+

Let's say my top diagram is the chip, and the bottom is the replacement. What pinouts would have to be changed?



-
Entire Thread
Subject  Posted byPosted On
*Figuring out EPROM pinouts  Rod Woodson4/25/02 9:44 PM
.*Re: Figuring out EPROM pinouts  biw3145/2/02 11:17 PM
..*Re: Figuring out EPROM pinouts  Memblers5/3/02 00:10 AM
...*Re: Figuring out EPROM pinouts  Rod Woodson5/3/02 04:23 AM
....*Re: Figuring out EPROM pinouts  Memblers5/4/02 7:11 PM
.*Re: Figuring out EPROM pinouts  teaguecl4/26/02 04:54 AM
...Re: Figuring out EPROM pinouts  Rod Woodson5/15/02 9:49 PM
..*Re: Figuring out EPROM pinouts  Rod Woodson4/26/02 8:58 PM
...*Re: Figuring out EPROM pinouts  Anonymous5/9/02 05:33 AM
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