R5K574NCC4FB#10

With the R5K574NCC4FB#10, the RX74N's 1 MB tier reaches a 144-pin LFQFP: the RXv3e core runs at 480 MHz with 48 KB of data MRAM and 1.5 MB of ECC SRAM alongside the doubled code MRAM, plus classic CAN 2.0 and 10/100 Ethernet, in a leaded package that suits optical inspection and straightforward rework. Renesas lists this exact code as Active in the RX74N ordering table, and the #10 suffix denotes the full-carton carrier. Selection advice: the in-catalog R5K574N6C4FC#10 is the 512 KB, 176-pin expression of the same 480 MHz CAN 2.0 signature, so this code trades pins for memory; if the design also migrates the bus, the same-batch R5K574NCD4FC#10 pairs the 1 MB size with CAN FD in the 176-pin package. Parameters verified against Renesas Electronics documentation.