DRAM 256k x 16

From Citylan
Revision as of 12:32, 29 August 2017 by WikiSysop (talk | contribs) (→‎Files)
Jump to navigationJump to search
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 TSOP-II-44-10x18mm . M5M44260 M5M44260C M5M44260CJ M5M44260TP

Dynamic Random-Access Memory 256K x 16

Size

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

Pinout

       SOJ40-400mil
         +---\/---+
     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
         +--------+

        TSOP40/44 Type2 10x18
         +-----------------+
     Vcc | 1  1 []    40 44| Vss
     DQ1 | 2  2       39 43| DQ16
     DQ2 | 3  3       38 42| DQ15
     DQ3 | 4  4       37 41| DQ14
     DQ4 | 5  5       36 40| DQ13
     Vcc | 6  6       35 39| Vss
     DQ5 | 7  7       34 38| DQ12
     DQ6 | 8  8       33 37| DQ11
     DQ7 | 9  9       32 36| DQ10
     DQ8 |10 10       31 35| DQ9
         |11             34| 
         |12             33| 
      NC |13 11       30 32| NC
      NC |14 12       29 31| *LCAS
      *W |15 13       28 30| *UCAS
    *RAS |16 14       27 29| *OE
      NC |17 15       26 28| A8
      A0 |18 16       25 27| A7
      A1 |19 17       24 26| A6
      A2 |20 18       23 25| A5
      A3 |21 19       22 24| A4
     Vcc |22 20       21 23| Vss
         +-----------------+

External links

DRAM page on wikipedia

Files