| Manufacturer | Part Number | Description |
|---|---|---|
Texas Instruments
| SN54LS26 | High-Voltage Interface Positive-NAND Gates |
|
Texas Instruments
| SN54LS266 | QUADRUPLE 2-INPUT EXCLUSIVE-NOR GATES |
Motorola Semiconductor (now NXP Semiconductors)
| SN54LS26 | QUAD 2-INPUT NAND BUFFER |
