| Manufacturer | Part Number | Description |
|---|---|---|
Unisonic Technologies
| MC4558 | DUAL OPERATIONAL AMPLIFIER |
STMicroelectronics
| MC4558 | Wide bandwidth dual bipolar operational amplifier |
Motorola Semiconductor (now NXP Semiconductors)
| MC4558 | DUAL WIDE BANDWIDTH OPERATIONAL AMPLIFIERS |
Unisonic Technologies
| UTCMC4558 | DUAL OPERATIONAL AMPLIFIER |
Fairchild (now onsemi)
| MC4558 | Dual Operational Amplifier |
STMicroelectronics
| MC4558CN | Wide bandwidth dual bipolar operational amplifier |
onsemi
| MC4558V | Dual Wide Bandwidth Operational Amplifiers |
