| Manufacturer | Part Number | Description |
|---|---|---|
Intersil (now Renesas)
| X4285 | CPU Supervisor |
Maxim Integrated (now Analog Devices)
| MAX4285 | +3V/+5V / 250MHz / SOT23 ADC Buffer Amplifiers with High-Speed Disable |
Xicor
| X4285 | CPU Supervisor |
