| Manufacturer | Part Number | Description |
|---|---|---|
NEC (now Renesas Electronics) |
UPC1571 | Compander |
| Unknown Manufacturer | UPC157 | General Purpose Operational Amplifier |
NEC (now Renesas Electronics) |
UPC157A | (UPCxxxA) INDUSTRIAL LINEAR ICS |
NEC (now Renesas Electronics) |
UPC157C | Industrial Liner ICs |