27256: Difference between revisions
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[[Category:ROM]] | [[Category:ROM]] | ||
[[Category:DIP28]] | |||
Revision as of 12:58, 7 October 2009
EPROM 27256 & 27C256 (DIP28, 600mil)
256Kb, 32KB, 8000hex8 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
+------+
