27020: Difference between revisions
From Citylan
Jump to navigationJump to search
m (moved 27020 to 4 0000 hex 8) |
m (moved 4 0000 hex 8 to 27020) |
(No difference)
|
Revision as of 22:11, 3 May 2011
EPROM 27020 & 27C020 (DIP32, 600mil)
2Mb, 256KB (262.144 byte) , 4 0000 hex 8 bit
pinout
+--\/--+ Vpp |1 32| Vcc A16 |2 31| PGM/ 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| OE/ A2 |10 23| A10 A1 |11 22| CE/ A0 |12 21| O7 O0 |13 20| 06 O1 |14 19| O5 O2 |15 18| O4 GND |16 17| O3 +------+