DS21FF44 series datasheets. Manufacturer: Dallas Semiconductor.

DS21FF44 Four x Four 16 Channel E1 Framer in 300-pin MCMBGA package. Operational temperature range from 0°C to 70°C. Datasheet*) DS21FF44N Four x Four 16 Channel E1 Framer in 300-pin MCMBGA package. Operational temperature range from -40°C to 85°C. Datasheet*) DS21FT44 Four x Three 12 Channel E1 Framer in 300-pin MCMBGA package. Operational temperature range from 0°C to 70°C. Datasheet*) DS21FT44N Four x Three 12 Channel E1 Framer in 300-pin MCMBGA package. Operational temperature range from -40°C to 85°C. Datasheet*)

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