TP3420 series datasheets. Manufacturer: National Semiconductor.

TP3420AN308 ISDN S/T Interface Device in 20-pin MDIP package. Datasheet*) TP3420AV308 ISDN S/T Interface Device in 20-pin PLCC package. Datasheet*) TP3420AV309 ISDN S/T Interface Device in 20-pin PLCC package. Datasheet*) TP3420A ISDN S/T Interface Device Datasheet*) TP3420AJ ISDN S/T Interface Device Datasheet*) TP3420AN ISDN S/T Interface Device Datasheet*) TP3420AV ISDN S/T Interface Device Datasheet*)

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