Line interface circuit with UK line impedance. Applications: interface to central office for DAA, modem, fax, answering machine and terminal equipment.

Mitel Networks Corporation

Digital subscriber line interface circuits for ISDN NT1 and NT2 DSL interface, digital PABX line cards and telephone sets, digital multiplexers and concentrators and for pair gain systems.

Mitel Networks Corporation

Digital subscriber line interface circuits for ISDN NT1 and NT2 DSL interface, digital PABX line cards and telephone sets, digital multiplexers and concentrators and for pair gain systems.

Mitel Networks Corporation

ISDN S/T Interface Device

National Semiconductor

ISDN S/T Interface Device

National Semiconductor

(Universal Serial Bus) Full Speed Function Controller with DMA Support [Not recommended for new designs]

National Semiconductor