The SY89851U is a low jitter, low skew, high-speed 1:2 differential fanout buffer optimized for precision telecom and enterprise server distribution applications. The SY89851U distributes clock frequencies from DC to >3GHz, and data rates to 2.5Gbps guaranteed over temperature and voltage.The SY89851U differential input includes Micrel's unique, 3-pin input termination architecture that directly interfaces to any differential signal (AC- or DC-coupled) as small as 100mV (200mVpp) without any level shifting or termination resistor networks in the signal path. The outputs are 800mV, 100Kcompatible LVPECL with extremely fast rise/fall time guaranteed to be less than 180ps.The SY89851U operates from a 2.5V ±5% or 3.3V ±10% supply and is guaranteed over the full industrial temperature range of –40°C to +85°C. The SY89851U is part of Micrel's high-speed, Precision Edge® product line.
Additional Features
Precision 1:2, 800mV LVPECL fanout buffer
Low power consumption: 80mW typ. (2.5V)
Guaranteed AC performance over temperature and voltage:
– DC to >3GHz clock throughput
– <340ps propagation delay
– <180ps rise/fall time
– <20ps output-to-output skew
Ultra-low jitter design:
– <1psRMS random jitter
– <10psPP deterministic jitter
– <10ps PP total jitter (clock)
Unique, patented input termination and VT pin accepts DC- and AC-coupled inputs (CML, LVPECL, LVDS)
100K LVPECL-compatible outputs
Power supply 2.5V ±5% or 3.3V ±10%
–40°C to +85°C industrial temperature range
Available in 16-pin (3mm x 3mm) MLF® package
The SY89851U is a low jitter, low skew, high-speed 1:2 differential fanout buffer optimized for precision telecom and enterprise server distribution applications. The SY89851U distributes clock frequencies from DC to >3GHz, and data rates to 2.5Gbps guaranteed over temperature and voltage.The SY89851U differential input includes Micrel's unique, 3-pin input termination architecture that directly interfaces to any differential signal (AC- or DC-coupled) as small as 100mV (200mVpp) without any level shifting or termination resistor networks in the signal path. The outputs are 800mV, 100Kcompatible LVPECL with extremely fast rise/fall time guaranteed to be less than 180ps.The SY89851U operates from a 2.5V ±5% or 3.3V ±10% supply and is guaranteed over the full industrial temperature range of –40°C to +85°C. The SY89851U is part of Micrel's high-speed, Precision Edge® product line.
Additional Features
- Precision 1:2, 800mV LVPECL fanout buffer
- Low power consumption: 80mW typ. (2.5V)
- Guaranteed AC performance over temperature and voltage:
- – DC to >3GHz clock throughput
- – <340ps propagation delay
- – <180ps rise/fall time
- – <20ps output-to-output skew
- Ultra-low jitter design:
- – <1psRMS random jitter
- – <10psPP deterministic jitter
- – <10ps PP total jitter (clock)
- Unique, patented input termination and VT pin accepts DC- and AC-coupled inputs (CML, LVPECL, LVDS)
- 100K LVPECL-compatible outputs
- Power supply 2.5V ±5% or 3.3V ±10%
- –40°C to +85°C industrial temperature range
- Available in 16-pin (3mm x 3mm) MLF® package
