| IC number | Manufacturer | Documentation |
|---|---|---|
| HM514260, HM514260A | Hitachi | Not available |
| µPD424260 | NEC | Not available |
| KM416C256B | Samsung | Not available |
| HY514260B | Hyundai | Not available |
| IC number | Package | Access time | CBM part number | CBM part description |
|---|---|---|---|---|
| HM514260AJ8, HM514260JP8, µPD424260-80 | 40-pin SOJ | 80 ns | 391105-01 | DRAM 256K X 16 80NS SM |
| KM416C256BJ-7, HY514260BJC-70 | 40-pin SOJ | 70 ns |
| Device | Positions | Package | Access time |
|---|---|---|---|
| A600 | U16, U17 | SOJ | 80 ns |
| A1200 | U16, U17, U18, U19 | SOJ | 80 ns |
| A601 | U17, U18 | SOJ | 80 ns |
| CD³² MPEG board | U201 | SOJ | 80 ns |
| Pin | Type | Name |
|---|---|---|
| 1 | Power | VCC |
| 2..5 | I/O | D1..D4 |
| 6 | Power | VCC |
| 7..10 | I/O | D5..D8 |
| 11.12 | N/C | NC |
| 13 | Input | _WE |
| 14 | Input | _RAS |
| 15 | N/C | NC |
| 16..19 | Input | A0..A3 |
| 20 | Power | VCC |
| 21 | Power | GND |
| 22..26 | Input | A4..A8 |
| 27 | Input | _OE |
| 28 | Input | _UCAS |
| 29 | Input | _LCAS |
| 30 | N/C | NC |
| 31..34 | I/O | D9..D12 |
| 35 | Power | GND |
| 36..39 | I/O | D13..D16 |
| 40 | Power | GND |
Copyright © 2003-2005 Ronald van Dijk - All rights reserved
Last update: 23 March 2005