| Electronic component: | Description: | Manuf. | Package | Pins | T°min | T°max | Datasheet |
|---|
| DS21FT40 | Four x Three 12 Channel E1 Framer | Dallas-Semiconductor | MCMBGA | 300 | 0°C | 70°C | 386 K |
| DS21FT40N | Four x Three 12 Channel E1 Framer | Dallas-Semiconductor | MCMBGA | 300 | -40°C | 85°C | 386 K |
| DS21FT42 | Four x Three 12 Channel T1 Framer | Dallas-Semiconductor | MCMBGA | 300 | 0°C | 70°C | 466 K |
| DS21FT42N | Four x Three 12 Channel T1 Framer | Dallas-Semiconductor | MCMBGA | 300 | -40°C | 85°C | 466 K |
| DS21FT44 | Four x Three 12 Channel E1 Framer | Dallas-Semiconductor | MCMBGA | 300 | 0°C | 70°C | 446 K |
| DS21FT44N | Four x Three 12 Channel E1 Framer | Dallas-Semiconductor | MCMBGA | 300 | -40°C | 85°C | 446 K |
| PCA8521FT | 5.5 V, infrared remote control transmitter RC5 | Philips-Semiconductors | SO | 16 | -10°C | 50°C | 110 K |
| PCA8521FT | Infrared remote control transmitter RC5. | Philips-Semiconductors | - | 16 | 0°C | 50°C | 159 K |
| TC74VHC21FT | Dual 4 input and gate | Toshiba | - | 14 | -40°C | 85°C | 190 K |
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