| Manufacturer | Part # | Datasheet | Description |
 National Semiconductor ... | LF13508 |  334Kb/16P | 8-Channel Analog Multiplexer |
| LF13508D |  334Kb/16P | 8-Channel Analog Multiplexer |
| LF13508M |  334Kb/16P | 8-Channel Analog Multiplexer |
| LF13508N |  334Kb/16P | 8-Channel Analog Multiplexer |
 National Semiconductor ... | LF13508D |  334Kb/16P | 8-Channel Analog Multiplexer |
| LF13508M |  334Kb/16P | 8-Channel Analog Multiplexer |
| LF13508N |  334Kb/16P | 8-Channel Analog Multiplexer |
| LF13509 |  334Kb/16P | 8-Channel Analog Multiplexer |
| LF13509D |  334Kb/16P | 8-Channel Analog Multiplexer |
| LF13509M |  334Kb/16P | 8-Channel Analog Multiplexer |
| LF13509N |  334Kb/16P | 8-Channel Analog Multiplexer |