XR-T5640

XR·T5640 PCM AMI Line Receiver and Clock Recovery Circuit GENERAL DESCRIPTION The XR-T5640 is a monolithic bipolar IC designed for T1 type line receiver application operating at 1.544 M bit/s. It provides all the active circuitry required to perform automatic line build out (ALBO), threshold detection, binary NRZ data and clock recovery. A clock recovery using crystal filter circuit version of the XR-T5640 is also available as XR-T5740. FEATURES On Chip NRZ Data and Clock Recovery Less than 10 ns Sampling Pulse Over the Operating Range Triple Matched ALBO Ports Single 5.1 Power Supply APPLICATIONS T1 PCM Line Receiver T1C PCM Line Receiver (requires external gain) General Purpose Bipolar Line Receiver FUNCTIONAL BLOCK DIAGRAM ALBO GND ALBO PORT' ALBO PORT? ALBO PORT -~ PREAMP -'JE INPUT PRE AM" JE INPUT PREAMP . VE OUTPUT PREAMP ·VE OUTPUT DIGITAL GROUND SUBSTRATE GND ALBO CONTROL CLOCK AMPLIFIER BIAS LC TANK vee CLOCK OUTPUT PHASE SHIFTED CLOCK INPUT NRZ OATA ABSOLUTE MAXIMUM R...