27256: Difference between revisions

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[[Category:ROM]]
[[Category:ROM]]
[[Category:DIP28]]
[[Category:DIP28-600mil]]

Revision as of 14:30, 20 March 2017

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
    +------+

File:Dip28-600mil.jpg