| Electronic component: | Description: | Manuf. | Package | Pins | T°min | T°max | Datasheet |
|---|
| PI74FCT239TS | Fast CMOS 1-of-4 decoder | distributor | SOIC | 16 | -40°C | 85°C | 49 K |
| PI74FCT239TW | Fast CMOS 1-of-4 decoder | distributor | SOIC | 16 | -40°C | 85°C | 49 K |
| PT2390 | Echo IC built-in microphone amplifier & output mixer | Princeton-Technology-Corp- | DIP | 28 | - | - | 202 K |
| PT2390-S | Echo IC built-in microphone amplifier & output mixer | Princeton-Technology-Corp- | SO | 28 | - | - | 202 K |
| PT2395 | Enhanced digital echo IC | Princeton-Technology-Corp- | PDIP | 40 | - | - | 265 K |
| PT2396 | Digital echo/Surround processor IC | Princeton-Technology-Corp- | DIP | 24 | - | - | 152 K |
| PT2396-S | Digital echo/Surround processor IC | Princeton-Technology-Corp- | SO | 24 | - | - | 152 K |
| PT2398 | Echo/Surround processor | Princeton-Technology-Corp- | DIP | 28 | - | - | 246 K |
| PT2399 | Echo processor IC | Princeton-Technology-Corp- | DIP | 16 | - | - | 81 K |
| PT2399S | Echo processor IC | Princeton-Technology-Corp- | SO | 16 | - | - | 81 K |
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