| IC number | Manufacturer | Documentation |
|---|---|---|
| DS1000 | Dallas Semiconductor | Datasheet (PDF, local) |
| EP87xx | PCA Electronics | Datasheet (PDF) |
| IC number | Package | Delay | CBM part number | CBM part description | Replacement parts |
|---|---|---|---|---|---|
| DS1000K-25, EP8700 | 14-pin DIP (N/C leads sheared) | 25 ns | 390555-01 | IC, delayline, 5-tap, 25 ns (DIP14) | For 14-pin sockets, the DS1000-25 can be used |
| Device | Position | Components | Package |
|---|---|---|---|
| A4000 | U102 | EP8700 | DIP |
| A4000T | U102 | DS1000K-25, EP8700 | DIP |
| 68040 CPU card | U103 | EP8700 | DIP |
| Pin | Type | Name |
|---|---|---|
| 1 | Input | IN |
| 2..3 | N/C | NC |
| 4 | Output | TAP2 |
| 5 | N/C | NC |
| 6 | Output | TAP4 |
| 7 | Power | GND |
| 8 | Output | TAP5 |
| 9 | N/C | NC |
| 10 | Output | TAP3 |
| 11 | N/C | NC |
| 12 | Output | TAP1 |
| 13 | N/C | NC |
| 14 | Power | VCC |
Copyright © 2005-2015 Ronald van Dijk - All rights reserved
Last update: 12 April 2015