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DS21Q42: Enhanced Quad T1 Framer Data Sheet (Rev. 1)6/26/2002PDF949K
DS21Q42
Enhanced Quad T1 Framer
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Product Lifecycle
Obsolete
The models in this product family are no longer available.
Replacement Parts
To find replacement products for this part:
Rochester Electronics and Arrow Supply Assurance have partnered with Analog Devices to source products that have been previously discontinued or have become obsolete.
Documentation & Resources
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DS21Q42 Reliability Data1/12/2023PDF21K
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DS21Q4x, DS215x, and DS21x5y Test Registers3/29/2001
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DS21Q42 vs. DS21Q41B3/29/2001
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Interleaved Bus Operation3/20/2006
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HDLC Configuration of Framers and Transceivers9/10/2002
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J1 Japanese Standards9/4/2002
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D4 Framing and Signaling8/10/2001
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Telecom Application Notes Index8/10/2001
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T1/E1 Framer Initialization and Programming8/10/2001
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Programming and Controlling the FDL on DS2141A, DS21515/11/2001
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Interfacing to the Fractional T1 and E15/4/2001
Design Resources
ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal.
