The 8T49N012 is a high performance Clock Generator with selectable LVPECL or Single-ended outputs. The 8T49N012 can generate selectable frequencies from a crystal or a single-ended reference clock. The frequency is selected from the Frequency Selection Table.
Excellent phase noise performance is maintained with Renesas’ Fourth Generation FemtoClock™ NG PLL technology.
Features
Fourth Generation FemtoClock NG PLL technology
Three differential output banks: Bank A: selectable between four pairs of LVPECL or four pairs
of complementary LVCMOS/LVTTL outputs Bank B: two pairs of LVPECL outputs Bank C: six pairs of LVPECL outputs
Selectable clock input or crystal input.
Supports 25MHz fundamental crystal or 25MHz, 50MHz,
66.67MHz clock input
Selectable 156.25MHz, 125MHz, 100MHz clock for Bank B and
Bank C outputs
Selectable 156.25MHz, 125MHz, 100MHz, 250MHz, 312.5MHz,
50MHz, 25MHz, 62.5MHz or 78.125MHz for Bank A outputs
PLL lock indication (LVCMOS output)
RMS phase jitter at 156.25MHz (12kHz - 20MHz): 0.199ps (typical)
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