name:         HM628128BI
function:     31072-word ' 8-bit High speed CMOS Static RAM
package:      DP-32/FP32D,32
manufacturer: HITACHI
added-by:     

     +--()--+
  NC | 1  32| Vcc
 A16 | 2  31| A15
 A14 | 3  30| CS2
 A12 | 4  29| WE*
  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| CS1*
  A0 |12  21| I/O7
I/O0 |13  20| I/O6
I/O1 |14  19| I/O5
I/O2 |15  18| I/O4
 Vss |16  17| I/O3
     +------+

This information was added by a third party and may be incorrect.

This pinout came from the Chipdir:
http://www.chipdir.org/