SRAM 256 x 8

Cross-Reference

BRAND	TAG	NUMBER	PIN COUNT	OUTPUT	MARKINGS
Intel	D/P	8155	40	.	D8155 D8155H
Intel	D/P	8156	40	.	D8156 D8156H

Static Random-Access Memory 256 x 8 (DIP40, 600mil)

Size

bit	Byte	Hex
2Kb	256B	800hex

Pinout

DIP40
           +--\/--+
       PC3 |1   40| Vcc
       PC4 |2   39| PC2
  TIMER IN |3   38| PC1
     RESET |4   37| PC0
       PC5 |5   36| PB7
*TIMER OUT |6   35| PB6
     IO/*M |7   34| PB5
       *CE |8   33| PB4
       *RD |9   32| PB3
       *WR |10  31| PB2
       ALE |11  30| PB1
       AD0 |12  29| PB0
       AD1 |13  28| PA7
       AD2 |14  27| PA6
       AD3 |15  26| PA5
       AD4 |16  25| PA4
       AD5 |17  24| PA3
       AD6 |18  23| PA2
       AD7 |19  22| PA1
       Vss |20  21| PA0
           +------+

External links

SRAM page on wikipedia

Files

• 
  D8155H D8156H Datasheet