| Electronic component: | Description: | Manuf. | Package | Pins | T°min | T°max | Datasheet |
|---|
| HT9200A | DTMF generator with serial interface | Holtek-Semiconductor-Inc- | SOP | 8 | -20°C | 75°C | 282 K |
| HT9200A | DTMF generator with serial interface | Holtek-Semiconductor-Inc- | DIP | 8 | -20°C | 75°C | 282 K |
| HT9200A | DTMF generator with serial interface | Holtek-Semiconductor-Inc- | DIP | 8 | -20°C | 75°C | 282 K |
| HT9200B | DTMF generator with serial/parallel interface | Holtek-Semiconductor-Inc- | DIP | 14 | -20°C | 75°C | 282 K |
| HT9200B | DTMF generator with serial/parallel interface | Holtek-Semiconductor-Inc- | SOP | 14 | -20°C | 75°C | 282 K |
| HT9202A | 2-memory tone/pulse dialer | Holtek-Semiconductor-Inc- | DIP | 18 | -20°C | 75°C | 209 K |
| HT9202B | 2-memory tone/pulse dialer | Holtek-Semiconductor-Inc- | SDIP | 22 | -20°C | 75°C | 209 K |
| HT9202C | 2-memory tone/pulse dialer | Holtek-Semiconductor-Inc- | DIP | 20 | -20°C | 75°C | 209 K |
| HT9274 | Quad micropower operational amplifier | Holtek-Semiconductor-Inc- | SOP | 14 | -20°C | 75°C | 130 K |
| HT9274 | Quad micropower operational amplifier | Holtek-Semiconductor-Inc- | DIP | 14 | -20°C | 75°C | 130 K |
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