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DS21Q44

Part Number	DS21Q44
Manufacturer	Dallas Semiconducotr
Description	Enhanced QUAD E1 FRAMER
Published	Mar 30, 2005
Detailed Description	DS21Q44 Enhanced QUAD E1 FRAMER www.dalsemi.com FEATURES Four E1 (CEPT or PCM-30) /ISDN-PRI framing transceivers All fo...
Datasheet	DS21Q44 PDF File

Overview

DS21Q44 Enhanced QUAD E1 FRAMER www.
dalsemi.
com FEATURES Four E1 (CEPT or PCM-30) /ISDN-PRI framing transceivers All four framers are fully independent; transmit and receive sections of each framer are fully independent Frames to FAS, CAS, CCS, and CRC4 formats 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) Easy access to Si and Sa bits Extracts and inserts CAS signaling Large counters for bipolar and code violations, CRC4 code word errors, FAS word errors, and E-bits Programmable ou...

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