| Manufacturer | Part Number | Description |
|---|---|---|
Texas Instruments
| SN74LS399 | QUADRUPLE 2-INPUT MULTIPLEXER |
|
Texas Instruments
| SN74LS399N | QUADRUPLE 2-INPUT MULTIPLEXER |
Motorola Semiconductor (now NXP Semiconductors)
| SN74LS399 | QUAD 2-PORT REGISTER |
