Description:The 843011 is a Fibre Channel Clock Generator. The 843011 uses a 26.5625MHz crystal to synthesize 106.25MHz or a 25MHz crystal to synthesize 100MHz. The 843011 has excellent <1ps phase jitter performance, over the 637kHz – 10MHz integration range. The 843011 is packaged in a small 8-pin TSSOP, making it ideal for use in systems with limited board space.
Renesas provides a recommended PCB layout guide in their application note (R01AN2732EU0100) which includes thermal design considerations, such as thermal vias, copper pours, and component placement.
Renesas recommends a specific power sequencing scheme in their application note (R01AN2732EU0100) to ensure proper device operation. The sequence involves powering up the VCC, then the VDD, and finally the AVCC.
Renesas provides guidelines for EMI and noise reduction in their application note (R01AN2732EU0100), including the use of decoupling capacitors, ferrite beads, and shielding to minimize electromagnetic interference.
Renesas recommends using their debugging tools, such as the E1 emulator, to troubleshoot issues. Additionally, checking the device's status registers, monitoring the power supply, and verifying the PCB layout can help identify the root cause of the problem.
Renesas provides thermal management guidelines in their application note (R01AN2732EU0100), including the use of heat sinks, thermal interfaces, and thermal design considerations to ensure reliable operation in high-temperature environments.
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843011AGLF Overview
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