| IC number | Manufacturer | Documentation |
|---|---|---|
| TC514800A | Toshiba | Not available |
| µPD424800 | NEC | Not available |
| HYB514800A | Siemens | Not available |
| IC number | Package | Access time | CBM part number | CBM part description |
|---|---|---|---|---|
| TC514800AJL-80, µPD424800-80 | 28-pin SOJ | 80 ns | 391599-02 | IC, DRAM, 512Kx8 ,80ns, SM |
| HYB514800AJ-70 | 28-pin SOJ | 70 ns |
| Device | Positions | Package | Access time |
|---|---|---|---|
| CD³² | U16, U17, U18, U19 | SOJ | 80 ns |
| A4000T | U260, U261, U262, U263 | SOJ | 80 ns |
| Pin | Type | Name |
|---|---|---|
| 1 | Power | VCC |
| 2..5 | I/O | D1..D4 |
| 6 | N/C | NC |
| 7 | Input | _WE |
| 8 | Input | _RAS |
| 9 | Input | A9 |
| 10..13 | Input | A0..A3 |
| 14 | Power | VCC |
| 15 | Power | GND |
| 16..20 | Input | A4..A8 |
| 21 | N/C | NC |
| 22 | Input | _OE |
| 23 | Input | _CAS |
| 24..27 | I/O | D5..D8 |
| 28 | Power | GND |
Copyright © 2003-2004 Ronald van Dijk - All rights reserved
Last update: 6 February 2004