The S19256 is a fully integrated low power dual CDR device suitable for short reach module applications. It is used in 10GbE / 10GFC / OC192 SONET/SDH PMD modules, such as the XFP MSA modules. Integrated in this device on the receive optical side, an AGC amplifier with offset cancellation circuitry, and CDR. On the transmit electrical side the S19256 also has an equalization circuit, and CDR that reshapes the data after up to 24" of transmission over copper on FR-4 PWB material, with low jitter generation of 25 mUI. For SFP+ applications, this device allows both CDR's to be powered-down and bypassed while using only the equalization circuitry needed to mitigate Data Dependent Jitter caused by the interconnect. The low-jitter CML interface guarantees compliance with the bit error rate requirements of the Telcordia and ITU-T standards. The S19256 is packaged in a 6x6 mm2 PBGA, offering designers a small package outline.