| Manufacturer | Part # | Datasheet | Description |
 National Semiconductor ... | LM194H/883 |  221Kb/10P | LM194/LM394 Supermatch Pair |
 National Semiconductor ... | LM1946 |  216Kb/ 12P | LM1946 Over/Under Current Limit Diagnostic Circuit |
| LM1946M |  216Kb/ 12P | LM1946 Over/Under Current Limit Diagnostic Circuit |
| LM1946N |  216Kb/ 12P | LM1946 Over/Under Current Limit Diagnostic Circuit |
| LM1949 |  214Kb/ 10P | LM1949 Injector Drive Controller |
 National Semiconductor ... | LM1949M |  214Kb/ 10P | LM1949 Injector Drive Controller |
| LM1949N |  214Kb/ 10P | LM1949 Injector Drive Controller |
 National Semiconductor ... | LM194H/883 |  221Kb/ 10P | LM194/LM394 Supermatch Pair |