| Manufacturer | Part Number | Description |
|---|---|---|
Plessey |
ZN439 | 8 bit Microprocessor Compatible A-D Converter |
Zetex (now Diodes Incorporated) |
ZN439 | 8 bit Microprocessor Compatible A-D Converter |
GEC Plessey |
ZN439 | 8 bit Microprocessor Compatible A-D Converter |
