T1 Single Chip Transceiver

Part Number	Status	Replacement	Explanation
DS2151Q	Active: In Production. But some versions of the family are Not Recommended for New Designs. See Ordering Information.	DS26521	Please upgrade to the DS26521 for newer technology, smaller package, lower cost, and lower power consumption.

The DS2151Q is a first-generation line interface unit for T1 lines that that pioneered single-chip integration of multiple functions, combining long- and short-haul and framing functionality with dual elastic stores and an 8-bit parallel control port. It continues to provide an adaptable interface unit at both network and central office interfaces.

The DS2151Q meets T1 specifications, including ANSI T1 403-199X, AT&T TR 6241 (12-90), and ITU G.703, G.704 G.706, G.823, and 1.431. Under processor control, the user can access the 64 8-bit internal registers to configure the DS2152 to suit the application.

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