name: CY7C1021V function: 64K x 16 Static RAM package: SOJ44 / TSOP44,44 manufacturer: Cypress +--()--+ A4 | 1 44| A5 A3 | 2 43| A6 A2 | 3 42| A7 A1 | 4 41| *OE A0 | 5 40| *BHE *CE | 6 39| *BLE I/O1 | 7 38| I/O16 I/O2 | 8 37| I/O15 I/O3 | 9 36| I/O14 I/O4 |10 35| I/O13 Vcc |11 34| Vss Vss |12 33| Vcc I/O5 |13 32| I/O12 I/O6 |14 31| I/O11 I/O7 |15 30| I/O10 I/O8 |16 29| I/O9 *WE |17 28| NC A15 |18 27| A8 A14 |19 26| A9 A13 |20 25| A10 A12 |21 24| A11 NC |22 23| NC +------+ This pinout came from the Chipdir: http://www.chipdir.org/