| Manufacturer | Part # | Datasheet | Description |
 National Semiconductor ... | LM6321M |  285Kb/10P | High Speed Buffer |
| LM6321M |  328Kb/11P | High Speed Buffer |
 National Semiconductor ... | LM6321N |  285Kb/10P | High Speed Buffer |
| LM6321N |  328Kb/11P | High Speed Buffer |
| LM6321 |  285Kb/10P | High Speed Buffer |
| LM6321 |  328Kb/11P | High Speed Buffer |
 National Semiconductor ... | LM6325N |  261Kb/9P | High Speed Buffer |
 National Semiconductor ... | LM6310 |  279Kb/16P | High Speed Low Power Operational Amplifier with TRI-STATE Output |
| LM6310IM |  279Kb/16P | High Speed Low Power Operational Amplifier with TRI-STATE Output |
| LM6310IMX |  279Kb/16P | High Speed Low Power Operational Amplifier with TRI-STATE Output |