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DS21Q42

Part Number	DS21Q42
Manufacturer	Dallas Semiconducotr
Description	Enhanced QUAD T1 FRAMER
Published	Mar 30, 2005
Detailed Description	DS21Q42 Enhanced QUAD T1 FRAMER www.dalsemi.com FEATURES Four T1 DS1/ISDN–PRI/J1 framing transceivers All four framers ...
Datasheet	DS21Q42 PDF File

Overview

DS21Q42 Enhanced QUAD T1 FRAMER www.
dalsemi.
com FEATURES Four T1 DS1/ISDN–PRI/J1 framing transceivers All four framers are fully independent Each of the four framers contain dual two– frame elastic store slip buffers that can connect to asynchronous backplanes up to 8.
192 MHz 8–bit parallel control port that can be used directly on either multiplexed or non– multiplexed buses (Intel or Motorola) Programmable output clocks for Fractional T1 Fully independent transmit and receive functionality Integral HDLC controller with 64-byte buffers configurable for FDL or DS0 operation Generates and detects in–band loop codes from 1 to 8 bits in length including CSU loop codes Pin compatible with DS21Q...

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