Description
The CS61881contains eight analog front ends that each provide the line interface for E1 transmission systems. The device contains eight receivers and transmitters supporting a 2.048 Mbps data rate compliant to ITU G.703. This device is commonly used with external circuitry that supplies data encoding/decoding, clock recovery, and jitter attenuation.

FEATUREs
■ Octal E1 Line Interface Unit Compliant with G.703
■ Very Low Power <100mW per Channel
■ Single Supply 3.3 V Operation, 5 V Tolerant I/O
■ No External Component Changes for 120 Ω/75 Ω Operation
■ Analog LOS Detection per ITU G.775
■ Transmitter Short Circuit Current Limiter (<50mA)
■ TX Drivers with Fast Tristate and Power Down
■ Transmit Return Loss Exceeds ETS 300 166
■ JTAG Boundary Scan compliant to IEEE 1149.1
■ 144 Pin LQFP or 160 BGA Package