| IC number | Manufacturer | Documentation |
|---|---|---|
| NE555 | Texas Instruments | Web page, Datasheet (PDF) |
| Signetics (now Philips) | Not available | |
| MC1455 | Motorola (now ON Semiconductor) | Web page, Datasheet (PDF) |
| LM555 | National Semiconductor (now Texas Instruments) | Web page, Datasheet (PDF) |
| µA555 | Fairchild Semiconductor | Not available |
| NJM555 | New Japan Radio | Datasheet (PDF) |
| Package | CBM part number | CBM part description | Replacement parts |
|---|---|---|---|
| 8-pin DIP | 901523-01 | NE555 |
NE555 available from: Conrad Electronic NE555P available from: Conrad Electronic |
| 8-pin SO | 391104-01 | Linear NE555 SM |
NE555 available from: Conrad Electronic NE555D available from: Conrad Electronic NE555D available from: Conrad Electronic NE555D available from: Conrad Electronic |
| Device | Position | Package |
|---|---|---|
| A500 | U42 | DIP |
| A500 Plus | U42 | DIP |
| CDTV | U76 | DIP |
| A600 | U14 | SO |
| A500 keyboard PCB | IC4 | DIP |
| PET board assy 320132, 320137, 320008, 320081 | UDE9 | DIP |
| PET board assy 320351 | UA2 | DIP |
| PET board assy 8032090, 8032080, 8032030 | UD16 | DIP |
| VIC-20 | UB2 | DIP |
| VIC-20CR | UB6 | DIP |
| PLUS 4 | U8 | DIP |
| C16 | U10 | DIP |
| C116 | U10 | DIP |
| SX 64 CPU board | UG7 | DIP |
| 2040 digital board | UM2 | DIP |
| 2031 HP | U3S | DIP |
| 2031 LP | U1F | DIP |
| 1551 main board | U1 | DIP |
| 8050, 8250 digital board | UM2 | DIP |
| 8050, 8250 analog board assy 8050006, 8250023 | U8 | DIP |
| SFD-1001 control board | 11J | DIP |
| Pin | Function |
|---|---|
| 1 | GND |
| 2 | Trigger |
| 3 | Output |
| 4 | Reset |
| 5 | Control Voltage |
| 6 | Threshold |
| 7 | Discharge |
| 8 | VCC |
Copyright © 2003-2010 Ronald van Dijk - All rights reserved
Last update: 8 August 2010