LMH2190 Datasheet, PDF (8/32 Pages) National Semiconductor (TI) – Quad Channel 27 MHz Clock Tree Driver with I2C Interface

LMH2190
SNAS473H – JUNE 2009 – REVISED MAY 2013
TIMING WAVEFORMS
50%
SCLK_IN
tp_LH
50%
tp_HL
CLK1
50%
Skew
50%
Skew
CLK2
50%
50%
Figure 1. Clock Output Timing Waveforms
50%
CLK_REQx
tp_LH
50%
tp_HL
SCLK_REQ
50%
50%
Figure 2. Clock Request Timing Waveforms
CLK_DC
80%
CLKx ^20%
t_RISE
80%
20%
t_FALL
50%
Figure 3. Rise / Fall Time and Duty Cycle Waveform for Clock Outputs
50%
CLK_REQx
t_SET
SCLK_IN
50%
Figure 4. Setup Time from SCLK_IN to CLK_REQ
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