Does the TCAN1042H can replace ATA6563?
What are our advantages
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Yes, TCAN1042H serves the same primary functions including high speed CAN communication with integrated digital voltage translation (Vio). To achieve the same data rate specification of 5Mbps, a 'G' variant of TCAN1042 should be selected. If 2Mbps is sufficient, a non-'G' device may also be used.
I haven't compared these devices before, but a quick review of the datasheet shows TCAN1042 has superior bus fault protection, ESD protection, and loop timing specifications. The ATA6563 appears to have a higher junction temperature rating, but I believe this is only for the Grade 0 device as the Grade 1 specifications are characterised at the same max temperature as TCAN1042.
Let me know if you have any more quetions.