The DS2141A is a comprehensive, software-driven T1 framer. It is meant to act as a slave or coprocessorto amicrocontroller or microprocessor. Quick access via the parallel control port allows a single micro tohandle many T1 lines. The DS2141A is very flexible and can be configured into numerous orientationsvia software. The software orientation of the device allows the user to modify their design to conform tofuture T1 specification changes. Thecontroller contains a set of 62 8-bit internal registers which the usercan access. These internal registers are used to configure the device and obtain information from the T1
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DS1/ISDN-PRI framing transceiver Frames to D4, ESF, and SLC-96 formats Parallel control port Onboard, dual two-frame elastic store slipbuffers Extracts and inserts robbed-bit signaling Programmable output clocks Onboard FDL support circuitry 5V supply; low-power CMOS Available in 40-pin DIP and 44-pin PLCC(DS2141Q) Compatible with DS2186 Transmit LineInterface, DS2187 Receive Line Interface,DS2188 Jitter Attenuator, DS2290T1Isolation Stik, and DS2291 T1 Long LoopStik
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Voltage on Any Pin Relative to Ground ......................-1.0V to +7.0V
Operating Temperature .................................................. 0 to 70
Storage Temperature ..............................................-55 to +125
Soldering Temperature ................................... 260 for 10 seconds
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