PEB2086H - Brand New HARRIS Telecommunication Interface ICs
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Introduction
The PEB 2085/2086 ISAC®-S implements the four-wire S/T interface used to link voice/data terminals to an ISDN.
The PEB 2085 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.
The device provides all electrical and logical functions of the S/T interface, such as: activation/deactivation, mode dependent timing recovery and D channel access and priority control. The HDLC packets of the ISDN D channel are handled by the ISAC-S which interfaces them to the associated microcontroller. In one of its operating modes the device offers high level support of layer-2 functions of the LAPD protocol.
The ISAC-S is a CMOS device, available in a P-DIP-40 (PEB 2085 only), P-LCC-44 and P-MQFP-64 (PEB 2086 only) package. It operates from a single + 5 V supply and features a power-down state with very low power consumption.
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Datasheet
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- Datasheet: Download PEB2086H
- Chipdatas Part: CD93-PEB2086H
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- Last Updated: 2024/06/13 08:45 +0800
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