27256: Difference between revisions
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m (moved 27256 to 8000 hex 8) |
m (moved 8000 hex 8 to 27256) |
(No difference)
|
Revision as of 11:36, 3 May 2011
EPROM 27256 & 27C256 (DIP28, 600mil)
256Kb, 32KB (32.768 byte), 8000 hex 8 bit
pinout
+--\/--+ Vpp |1 28| Vcc A12 |2 27| A14 A7 |3 26| A13 A6 |4 25| A8 A5 |5 24| A9 A4 |6 23| A11 A3 |7 22| OE/ A2 |8 21| A10 A1 |9 20| CE/ A0 |10 19| O7 O0 |11 18| 06 O1 |12 17| O5 O2 |13 16| O4 GND |14 15| O3 +------+