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