DRAM 256k x 16
From Citylan
| BRAND | TAG | NUMBER | PIN COUNT | OUTPUT | MARKINGS |
|---|---|---|---|---|---|
| Fujitsu | MB | 814260 | SOJ40-400mil TSOP-II-40/44-10x18mm | . | MB814260 |
| Hitachi | HM | 514260 | SOJ40-400mil TSOP-II-40/44-10x18mm ZIP40-475mil | . | HM514260 HM514260L HM514260J HM514260T HM514260Z |
| Integrated Circ. Sol. | IS | 41C16256 | SOJ40-400mil TSOP-II-40/44-10x18mm | TS | IS41C16256 |
| Integrated Circ. Sol. | IS | 41LV16256 | SOJ40-400mil TSOP-II-40/44-10x18mm | TS | IS41LV16256 |
| Issi | IS | 41LV16256 | SOJ40-400mil TSOP-II-40/44-10x18mm | TS | IS41LV16256 |
| LG | HM | 71C4263 | SOJ40-400mil | . | HM71C4263 HM71C4263C HM71C4263CL HM71C4263CJ |
| Mitsubishi | M5M | 44260 | SOJ40-400mil TSOP-II-40/44-10x18mm | . | M5M44260 M5M44260C M5M44260CJ M5M44260TP |
| NEC | uPD | 424260 | SOJ40-400mil | . | uPD424260 |
| Siemens | HYB | 314265 | SOJ40-400mil | . | HYB314265 HYB314265BJ HYB314265BJL |
| Siemens | HYB | 514265 | SOJ40-400mil | . | HYB514265 HYB514265BJ |
| Toshiba | TC | 514260 | SOJ40-400mil TSOP-II-40/44-10x18mm | . | TC514260BJ TC514260BFT |
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
+-----------------+
ZIP40-475mil
^
I/O8 1 |
| 2 I/O9
I/O10 3 |
| 4 I/O11
Vss 5 |
| 6 I/O12
I/O13 7 |
| 8 I/O14
I/O15 9 |
| 10 Vss
Vcc 11 |
| 12 I/O0
I/O1 13 |
| 14 I/O2
I/O3 15 |
| 16 Vcc
I/O4 17 |
| 18 I/O5
I/O6 19 |
| 20 I/O7
NC 21 |
| 22 NC
*WE 23 |
| 24 *RAS
NC 25 |
| 26 A0
A1 27 |
| 28 A2
A3 29 |
| 30 Vcc
Vss 31 |
| 32 A4
A5 33 |
| 34 A6
A7 35 |
| 36 A8
*OE 37 |
| 38 *UCAS
*LCAS 39 |
| 40 NC
-
External links
Files
-
HM514260 Datasheet
-
HM71C4263 Datasheet
-
HYB314265 HYB514265 Datasheet
-
IS41C16256 IS41LV16256 Datasheet
-
IS41C16256 IS41LV16256 Datasheet
-
M5M44260 Datasheet
-
MB814260 Datasheet
-
TC514260 Datasheet
-
uPD424260 Datasheet
