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DS21Q43A

Dallas Semiconducotr
Part Number DS21Q43A
Manufacturer Dallas Semiconducotr
Description Quad E1 Framer
Published Mar 30, 2005
Detailed Description DS21Q43A Quad E1 Framer www.dalsemi.com FEATURES § § § § § Four E1 (CEPT or PCM-30) /ISDN-PRI framing transceivers All ...
Datasheet PDF File DS21Q43A PDF File

DS21Q43A
DS21Q43A

Overview
DS21Q43A 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 8-bit parallel control port that can be connected to either multiplexed or nonmultiplexed buses Each of the four framers contains dual twoframe elastic stores that can connect to asynchronous or synchronous backplanes up to 8.
192 MHz 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 output clocks for Fracti...


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