DRAM 512k x 8

Cross-Reference

BRAND	TAG	NUMBER	PIN COUNT	OUTPUT	MARKINGS
Samsung	KM	48C512			KM48C512 KM48C512L KM48C512LS
Samsung	KM	48V512			KM48V512 KM48V512L KM48V512LS
Samsung	KM	48C514			KM48C514 KM48C514L KM48C514LS
Samsung	KM	48V514			KM48V514 KM48V514L KM48V514LS

Dynamic Random-Access Memory 512K x 8

Size

bit	Byte	Hex
4Mb	512KB	400000hex

Pinout

       SOJ28-400mil
         +--\/--+
     Vcc |1   28| Vss
     DQ1 |2   27| DQ8
     DQ2 |3   26| DQ7
     DQ3 |4   25| DQ6
     DQ4 |5   24| DQ5
      NC |6   23| *CAS
      *W |7   22| *OE
    *RAS |8   21| NC
      A9 |9   20| A8
      A0 |10  19| A7
      A1 |11  18| A6
      A2 |12  17| A5
      A3 |13  16| A4
     Vcc |14  15| Vss
         +------+

        ZIP28
          ^
   *OE  1 |
          |  2 *CAS
   DQ5  3 |
          |  4 DQ6
   DQ7  5 |
          |  6 DQ8
   Vss  7 |
          |  8 Vcc
   DQ1  9 |
          | 10 DQ2
   DQ3 11 |
          | 12 DQ4
    NC 13 |
          | 14 *W
  *RAS 15 |
          | 16 A9
    A0 17 |
          | 18 A1
    A2 19 |
          | 20 A3
   Vcc 21 |
          | 22 Vss
    A4 23 |
          | 24 A5
    A6 25 |
          | 26 A7
    A8 27 |
          | 28 NC
          -

External links

DRAM page on wikipedia

Files

• 

  KM48C512 Datasheet