DRAM 256k x 16

Cross-Reference

BRAND	TAG	NUMBER	PIN COUNT	OUTPUT	MARKINGS
Fujitsu	MB	814260	SOJ40-400mil TSOP40-400mil	.	MB814260
Hitachi	HM	514260	SOJ40-400mil TSOP40-400mil ZIP40-475mil		HM514260 HM514260L HM514260J HM514260T HM514260Z
Integrated Circ. Sol.	IS	41C16256	SOJ40-400mil TSOP40-400mil	TS	IS41C16256
Integrated Circ. Sol.	IS	41LV16256	SOJ40-400mil TSOP40-400mil	TS	IS41LV16256
Issi	IS	41LV16256	SOJ40-400mil TSOP40-400mil	TS	IS41LV16256
Mitsubishi	M5M	44260	SOJ40-400mil TSOP40-400mil	.	M5M44260 M5M44260C M5M44260CJ M5M44260TP

Dynamic Random-Access Memory 256K x 16

Size

bit	Byte (unpadded)	Hex
4Mb	512KB	400000hex

Pinout

SOJ40 - TSOP40
         +---\/---+
     Vcc | 1    40| Vss
     DQ1 | 2    39| DQ16
     DQ2 | 3    38| DQ15
     DQ3 | 4    37| DQ14
     DQ4 | 5    36| DQ13
     Vcc | 6    35| Vss
     DQ5 | 7    34| DQ12
     DQ6 | 8    33| DQ11
     DQ7 | 9    32| DQ10
     DQ8 |10    31| DQ9
      NC |11    30| NC
      NC |12    29| *LCAS
     *WE |13    28| *UCAS
    *RAS |14    27| *OE
      NC |15    26| A8
      A0 |16    25| A7
      A1 |17    24| A6
      A2 |18    23| A5
      A3 |19    22| A4
     Vcc |20    21| Vss
         +--------+

External links

DRAM page on wikipedia

Files

• 
  HM514260 Datasheet
• 
  IS41C16256 IS41LV16256 Datasheet
• 
  IS41C16256 IS41LV16256 Datasheet
• 
  M5M44260 Datasheet
• 
  MB814260 Datasheet