DS21Q43A - Quad E1 Framer

Product Overview

Dallas Semiconducotr

Part number	DS21Q43A
Manufacturer	Dallas Semiconducotr
File Size	748.93 KB
Description	Quad E1 Framer
Datasheet	DS21Q43A Datasheet
Additional preview pages of the DS21Q43A datasheet.

The DS21Q43A combines four of the popular DS2143 E1 Controllers onto a single monolithic die.

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 E.

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Published: Mar 30, 2005 |