SY58620L Datasheet | Micrel Semiconductor

Precision 4.25Gbps CML Backplane Transceiver with Integrated Loopback General Description The SY58620L is a low jitter, high-speed transceiver with a variable swing CML transmitter buffer and a CML high-gain receiver optimized for precision tele and enterprise server transmission line and backplane data management. The SY58620L distributes data to 4.25Gbps guaranteed over temperature and voltage. The SY58620L transmitter differential input includes Micrel’s unique, 3-pin input termination architecture that directly interfaces to any (AC- or DC-coupled) differential signal as small as 100m V (200m VPP) without any termination resistor network in the signal path. The receiver differential input is optimized to interface directly to AC-coupled signals as small as 10m V (20m VPP). The outputs are 50Ω source -terminated CML with extremely fast rise/fall time. To support remote self-testing, the SY58620L Features a high-speed loopback test mode. The input control signal LOOPBACK enables an internal loopback path from the transmitter input to the receiver output. The SY58620L operates from a 3.3V ±10% supply and is guaranteed over the full industrial temperature range of - 40°C to +85°C. The SY58620L is part of Micrel’s high-speed, Precision Edge® product line. All support documentation can be found on Micrel’s web site at: .micrel.. Applications - Backplane management - Active cable transceivers - SONET/SDH data/clock applications - 4X Fibre Channel applications Typical Applications Features Precision Edge® - Guaranteed AC performance over temperature and voltage: - Maximum Throughput 4.25Gbps - <120ps tr/tf time - Transmitter - Patented input termination directly interfaces to ACor DC-coupled differential inputs - Variable swing CML output - Receiver - 32d B high-gain Input - Internal 50Ω input termination - Accepts AC-coupled input signals as small as 10m V (20m VPP) - 400m V (800m VPP) differential CML output swing - Loss-of-Signal (LOS) - High-gain,...