DS21Q44
Enhanced Quad E1 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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DS21Q44 Reliability Data1/12/2023
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Using RCLK in a BITS/SSU Application2/4/2002
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DS21Q4x, DS215x, and DS21x5y Test Registers3/29/2001
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DS21Q44 vs. DS21Q43A3/29/2001
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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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Telecom Application Notes Index8/10/2001
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T1/E1 Framer Initialization and Programming8/10/2001
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DS2153 Programming, ETS 300-011 Remote Alarm Generation5/15/2001
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Interfacing to the Fractional T1 and E15/4/2001
