The MPC99J93 Intelligent Dynamic Clock Switch (IDCS) circuit continuously monitors both input CLK signals. Upon detection of a failure (CLK stuck HIGH or LOW for at least 1 period), the INP_BAD for that CLK will be latched (H). If that CLK is the primary clock, the IDCS will switch to the good secondary clock and phase/frequency alignment will occur with min.
• Fully Integrated PLL
MPC99J93
Freescale Semiconductor, Inc...
FA SUFFIX 32--LEAD LQFP PACKAGE CASE 873A
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Intelligent Dynamic Clock Switch LVPECL Clock Outputs LVCMOS Control I/O 3.3V Operation 32--Lead LQFP Packaging
Functional Description The MPC99J93 Intelligent Dynamic Clock Switch (IDCS) circuit continuously monitors both input CLK signals. Upon detection of a failure (CLK stuck HIGH or LOW for at least 1 period), the INP_BAD for that CLK will be latched (H). If that CLK is the primary clock, the IDCS will switch to the good secondary clock and phase/frequency alignment w.
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