| Manufacturer | Part Number | Description |
|---|---|---|
National Semiconductor (now Texas Instruments)
| 74LS181 | 4-Bit Arithmetic Logic |
Fairchild (now onsemi)
| 74LS181 | 4-Bit Arithmetic Logic |
STMicroelectronics
| T74LS181 | 4-Bit Arithmetic Logic Unit |
SGS-Ates Componenti
| T74LS181 | 4-Bit Arithmetic Logic Unit |
Motorola Semiconductor (now NXP Semiconductors)
| SN74LS181 | 4-BIT ARITHMETIC LOGIC |
Texas Instruments
| SN74LS181 | ARITHMETIC LOGIC UNITS/FUNCTION GENERATORS |
