| Electronic component: | Description: | Manuf. | Package | Pins | T°min | T°max | Datasheet |
|---|
| CMX644AD2 | Bell 212A and V.22 modem with call progress and DTMF | MX-COM-Inc- | SOIC | 24 | -40°C | 85°C | 620 K |
| CMX644AD5 | Bell 212A and V.22 modem with call progress and DTMF | MX-COM-Inc- | SSOP | 24 | -40°C | 85°C | 620 K |
| CMX644AP4 | Bell 212A and V.22 modem with call progress and DTMF | MX-COM-Inc- | PDIP | 24 | -40°C | 85°C | 620 K |
| MX641DW | Dual SPM detector | MX-COM-Inc- | SOIC | 24 | -40°C | 85°C | 138 K |
| MX641P | Dual SPM detector | MX-COM-Inc- | PDIP | 24 | -40°C | 85°C | 138 K |
| MX643DW | Call progress tone detector with special information tones (SIT) | MX-COM-Inc- | SOIC | 16 | -40°C | 85°C | 205 K |
| MX643P | Call progress tone detector with special information tones (SIT) | MX-COM-Inc- | PDIP | 8 | -40°C | 85°C | 205 K |
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