SY89547L

Micrel, Inc. 3.3V, 3.2Gbps DIFFERENTIAL 4:1 LVDS MULTIPLEXER with 1:2 FANOUT and INTERNAL TERMINATION Precision Edge® Precision ESYd8g9e5®47L SY89547L FEATURES OUTPUT AMPLITUDE (mV) s Selects among four differential inputs s Provides two copies of the selected input s Guaranteed AC performance over temp and voltage: DC-to > 3.2Gbps data rate throughput < 620ps In-to-Out tpd < 150ps tr/tf s Unique input isolation design minimizes crosstalk s Ultra-low jitter design: < 1psRMS random jitter < 10psPP deterministic jitter < 10psPP total jitter (clock) < 0.7psRMS crosstalk-induced jitter s Internal input termination s Unique input termination and VT pin accepts DCcoupled and AC-coupled inputs (LVDS, LVPECL, CML) s 350mV LVDS output swing s Power supply 3.3V ±10% s –40°C to +85°C temperature range s Available in 32-pin (5mm x 5mm) MLF® package APPLICATIONS s SONET/SDH multi-channel select applications s Fibre Channel applications s GigE applications TYPICAL PERFORMANCE Output Amplitude vs. Frequency 400 350 300 250 200 150 100 50 00 1000 2000 3000 4000 5000 6000 FREQUENCY (MHz) Precision Edge® DESCRIPTION The SY89547L is a precision, high-speed 4:1 differential multiplexer that provides two copies of the selected input. The high speed LVDS (350mV) compatible outputs with a guaranteed throughput of up to 3.2Gbps over temperature and voltage. The SY89547L differential inputs include Micrel’s unique, 3-pin internal termination design that allows access to the term...