| Electronic component: | Description: | Manuf. | Package | Pins | T°min | T°max | Datasheet |
|---|
| MB90V590ACR | 16-bit proprietary microcontroller | Fujitsu-Microelectronis | ceramic PGA | 256 | -40°C | 85°C | 714 K |
| TC74HC590AP | 8 bit binary counter/register with 3 state outputs | Toshiba | - | 16 | -40°C | 85°C | 311 K |
| TK71590ASCL | 9.0V low dropout voltage regulator | distributor | SOT23 | 3 | -30°C | 80°C | 114 K |
| W91590A | 24-memory tone/pulse switchable dialer with handfree, lock and hold functions | Winbond-Electronics | - | 24 | -20°C | 70°C | 226 K |
| W91590AL | 24-memory tone/pulse switchable dialer with handfree, lock and hold functions | Winbond-Electronics | - | 24 | -20°C | 70°C | 226 K |
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