DRAM 256k x 16
From Citylan
| 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
Files
-
HM514260 Datasheet -
IS41C16256 IS41LV16256 Datasheet
-
IS41C16256 IS41LV16256 Datasheet
-
M5M44260 Datasheet
-
MB814260 Datasheet
