PI6C5916004 6 GHz 1:4 LVPECL Fanout Buffer with Internal Termination Features Description e PTh I6C5916004 is a high-performance low-skew 1-to-4 LVPECL Input Clock Frequency up to 6 GHz Typical fanout buffer. The CLK inputs accept LVPECL, LVDS, CML and 4 pairs of differential LVPECL outputs SSTL signals. PI6C5916004 is ideal for clock distribution applica- Low additive jitter, < 0.05ps (max) tions such as providing fanout for low noise Pericom oscillators. Input CLK accepts: LVPECL, LVDS, CML, SSTL input level Output to Output skew: <20ps o o Operating Temperature: -40 C to 85 C Power supply: 3.3V 10% or 2.5V 5% Packaging (Pb-free & Green) 16-pin TQFN available Block Diagram Pin Configuration Q0+ Q0- 16 15 14 13 Q1+ REF IN+ Q1+ 1 12 Q1- REF IN+ Q2+ Q1- 11 2 V TH VTH Q2- REF IN- 10 Q2+ 3 Q3+ V REF-AC Q3- EN D Q2- 4 9 REF IN- Q 5 6 7 8 LE PI6C5916004 Rev C 10/27/2014 1 16-0118 Q3+ Q0- Q3- Q0+ V DD V DD EN GNDPI6C5916004 6 GHz 1:4 LVPECL Fanout Buffer with Internal Termination (1) Pin Description Pin Name Type Description 1, 2 Q1+, Q1- Output Differential output pair, LVPECL interface level. 3, 4 Q2+, Q2- Output Differential output pair, LVPECL interface level. 5, 6 Q3+, Q3- Output Differential output pair, LVPECL interface level. 7 V Power Core Power Supply DD Synchronous Output Enable, with internal 25k-ohm pull-up resistor. Logic high selects 8 EN Input enable, and logic low selects disable. 9 REF IN- Input Differential IN negative input, AC and DC coupled 10 V Output Reference Voltage: Biased to VDD-1.4V. Used when AC coupling inputs REF-AC 11 V Input Differential pair IN center-tap node. Tie to VREF-AC for AC coupled inputs. TH 12 REF IN+ Input Differential IN positive input, AC and DC coupled 13 GND Power Ground 14 V Power Core Power Supply DD 15, 16 Q0+, Q0- Output Differential output pair, LVPECL interface level. Functional Description REF IN+ REF IN- EN Q+ Q- 0 1 1 0 1 1 0 1 1 0 X X 0 0 1 2 PI6C5916004 Rev D 07/05/2016 16-0118