Product Summary

The PEB2086NV11G is an ISDN SubscribernAccess Controller for Communications. The PEB2086NV11G implements the four-wire S/T interface used to link voice/data terminals to an ISDN. The PEB2086NV11G combines the functions of the S-Bus Interface Circuit (SBC: PEB 2080) and the ISDN Communications Controller (ICC: PEB 2070) on one chip. The component switches B and D channels between the S/T and the ISDN Oriented Modular (IOM) interfaces, the latter being a standard backplane interface for the ISDN basic access.

Parametrics

PEB2086NV11G absolute maximum ratings: (1)Voltage on any pin with respect to ground, VS: – 0.4 to VDD + 0.4 V; (2)Ambient temperature under bias, TA: 0 to 70℃; (3)Storage temperature, Tstg: – 65 to 125℃; (4)Maximum voltage on VDD, VDD: 6 V.

Features

PEB2086NV11G features: (1)Full duplex 2B + D S/T interface transceiver according to CCITT I.430; (2)Conversion of the frame structure between the S/T interface and IOM; (3)Receive timing recovery according to selected operating mode; (4)D-channel access control; (5)Activation and deactivation procedures, with automatic wake-up from power-down state; (6)Access to S and Q bits of S/T interface; (7)Adaptively switched receive thresholds; (8)Frame alignment with absorption of phase wander in NT2 network side applications; (9)Support of LAPD protocol; (10)FIFO buffer (2 × 64 bytes) for efficient transfer of D-channel packets; (11)8-bit microprocessor interface, multiplexed or non-multiplexed; (12)Serial interfaces: IOM-1, SLD, SSI IOM-2; (13)Implementation of IOM-1/IOM-2 MONITOR and C/I channel protocol to control peripheral devices; (14)Advanced CMOS technology; (15)Low power consumption: standby 8 mW active 80 mW.

Diagrams

PEB2086NV11G block diagram

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