Description:The 180-53 generates a low EMI output clock from a clock or crystal input. The device uses IDT's proprietary mix of analog and digital Phase-Locked Loop (PLL) technology to spread the frequency spectrum of the output, thereby reducing the frequency amplitude peaks by several dB. The 180-53 offers center spread selection of +/-0.625% and +/-1.875%. Refer to the MK1714-01/02 for the widest selection of input frequencies and multipliers. IDT offers a complete line of EMI reducing clock generators. Consult us w
Renesas provides a recommended PCB layout guide in their application note (APN) documents, which includes guidelines for thermal vias, copper pours, and component placement to ensure optimal thermal performance.
Renesas recommends using an external overcurrent protection circuit, such as a current sense resistor and a comparator, to detect overcurrent conditions. The 180M-53LF also has an internal overcurrent detection feature, but it's not enabled by default and requires specific configuration.
According to Renesas, the maximum allowed voltage on the VCC pin during power-up and power-down sequences is 6.5V, which is higher than the recommended operating voltage of 5.5V. This is to ensure that the device can withstand voltage overshoots during power transitions.
Renesas provides EMC guidelines in their application notes, which include recommendations for PCB layout, component selection, and shielding to minimize electromagnetic interference (EMI) and ensure compliance with relevant EMC standards.
Renesas recommends a clock signal with a frequency tolerance of ±100 ppm and a duty cycle of 45% to 55% to ensure reliable operation of the device. Additionally, the clock signal should have a rise and fall time of less than 10 ns to prevent clock skew and jitter.
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180M-53LF Overview
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