LM2901N available from:
LM339N available from:
LM339D available from:
LM339D available from:
LM339D available from:
| IC numbers: | LM2901, LM339, µA399, TA75339 |
| IC function: | Quad comparator |
| Related components: | Single comparator |
| IC number | Manufacturer | Documentation |
|---|---|---|
| LM2901 | Texas Instruments | Web page, Datasheet (PDF) |
| Signetics (now Philips) | Web page, Datasheet (PDF) | |
| Motorola (now ON Semiconductor) | Web page, Datasheet (PDF) | |
| National Semiconductor | Web page, Datasheet (PDF) | |
| LM339 | Signetics (now Philips) | Web page, Datasheet (PDF) |
| National Semiconductor | Web page, Datasheet (PDF) | |
| µA339 | Fairchild Semiconductor | Not available |
| TA75339 | Toshiba | Not available |
| IC number | Package | CBM part number | CBM part description | Replacement parts |
|---|---|---|---|---|
| LM2901 | 14-pin DIP | 901423-09 | LM2901 |
LM2901N available from: LM2901N available from:
|
| LM339 | 14-pin DIP | 318827-01 | LM339 |
LM339 available from: LM339N available from:
|
| LM339 | 14-pin SO | 391195-01 | LM339 |
LM339 available from: LM339D available from: LM339D available from: LM339D available from:
|
| Device | Position | Components | Package |
|---|---|---|---|
| A1000 | U4M | LM2901, TA75339 | DIP |
| A2000 | U20 | LM2901, LM339 | DIP |
| A2000CR | U805 | LM2901, LM339, µA399 | DIP |
| CDTV | U33 | LM339 | DIP |
| PC40-III | U116 | LM339 | DIP |
| PC60-III | U129 | LM339 | DIP |
| SL286/SL386SX main board | U511 | LM339 | SO |
| Pin | Comparator | Function |
|---|---|---|
| 1 | 1 | OUT |
| 2 | 2 | OUT |
| 3 | all | VCC |
| 4 | 2 | IN- |
| 5 | 2 | IN+ |
| 6 | 1 | IN- |
| 7 | 1 | IN+ |
| 8 | 3 | IN- |
| 9 | 3 | IN+ |
| 10 | 4 | IN- |
| 11 | 4 | IN+ |
| 12 | all | GND |
| 13 | 4 | OUT |
| 14 | 3 | OUT |