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RX66T 32-Bit MCUs

Renesas RX66T 32-Bit MCUs are the first members of Renesas flagship 32-bit RX MCU family based on the third-generation RXv3 CPU core. These MCUs are optimized for motor control and address real-time performance and enhanced stability. These are helpful for inverter control in next-generation smart factory equipment and smart home appliances. These MCUs also provide the extra processing capacity needed for embedded AI in next-generation designs. The RX66T MCU series help further accelerate the use of intelligent endpoints using real-time e-AI performance to drive smarter appliances and improve production efficiency in smart factories.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.
32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 512K/64K QFP100 R5F566TEBDFP#10 Renesas Electronics 1: $7.83 719Expected 2026/10/30	Mfr. Part No. R5F566TEBDFP#10 Mouser Part No 968-R5F566TEBDFP#10	Renesas Electronics	32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 512K/64K QFP100 Learn More about Renesas Electronics renesas rx66t mcus	Datasheet	719Expected 2026/10/30	$7.83 $6.04 $5.33 $5.11 View $4.73 $4.68 $4.63 Quote	Min.: 1 Mult.: 1
32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP100 R5F566TAADFP#30 Renesas Electronics 1: $8.82 90On Order	Mfr. Part No. R5F566TAADFP#30 Mouser Part No 968-R5F566TAADFP#30	Renesas Electronics	32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP100 Learn More about Renesas Electronics renesas rx66t mcus	Datasheet	90On Order	$8.82 $6.61 $6.07 $5.47 View $4.86 $4.63	Min.: 1 Mult.: 1
32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP100 R5F566TAFGFP#30 Renesas Electronics 1: $8.32 89Expected 2027/02/22	Mfr. Part No. R5F566TAFGFP#30 Mouser Part No 968-R5F566TAFGFP30	Renesas Electronics	32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP100 Learn More about Renesas Electronics renesas rx66t mcus	Datasheet	89Expected 2027/02/22	$8.32 $6.43 $5.47 $5.26 View $5.16 $5.15 $5.01 $4.97 Quote	Min.: 1 Mult.: 1
32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 512K/64K QFP80 R5F566TEADFN#30 Renesas Electronics 1: $8.44 238Expected 2026/12/10	Mfr. Part No. R5F566TEADFN#30 Mouser Part No 968-R5F566TEADFN#30	Renesas Electronics	32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 512K/64K QFP80 Learn More about Renesas Electronics renesas rx66t mcus	Datasheet	238Expected 2026/12/10	$8.44 $6.52 $5.76 $5.47 View $5.42 $5.07 $4.83 $4.76 Quote	Min.: 1 Mult.: 1
32-bit Microcontrollers - MCU 32BIT MCU RX66T-H 512K/128K QFP144 R5F566TFCDFB#30 Renesas Electronics 1: $10.15 113Expected 2026/11/02	Mfr. Part No. R5F566TFCDFB#30 Mouser Part No 968-R5F566TFCDFB30	Renesas Electronics	32-bit Microcontrollers - MCU 32BIT MCU RX66T-H 512K/128K QFP144 Learn More about Renesas Electronics renesas rx66t mcus	Datasheet	113Expected 2026/11/02	$10.15 $7.91 $6.93 $6.66 View $6.51 $6.33 Quote	Min.: 1 Mult.: 1
32-bit Microcontrollers - MCU 32BIT MCU RX66T-H 1024K/128K QFP100 R5F566TKFGFP#30 Renesas Electronics 1: $10.71 Non-Stocked Lead-Time 18 Weeks	Mfr. Part No. R5F566TKFGFP#30 Mouser Part No 968-R5F566TKFGFP30	Renesas Electronics	32-bit Microcontrollers - MCU 32BIT MCU RX66T-H 1024K/128K QFP100 Learn More about Renesas Electronics renesas rx66t mcus	Datasheet	Non-Stocked Lead-Time 18 Weeks	$10.71 $8.36 $7.16 $6.90 View $6.61 $6.52 Quote	Min.: 1 Mult.: 1
32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 512K/64K QFP80 R5F566TEEDFF#30 Renesas Electronics 1: $8.61 Non-Stocked Lead-Time 18 Weeks	Mfr. Part No. R5F566TEEDFF#30 Mouser Part No 968-R5F566TEEDFF30	Renesas Electronics	32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 512K/64K QFP80 Learn More about Renesas Electronics renesas rx66t mcus	Datasheet	Non-Stocked Lead-Time 18 Weeks	$8.61 $6.66 $5.86 $5.33 View $5.29 $5.28 Quote	Min.: 1 Mult.: 1
32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 512K/64K QFP100 R5F566TEEDFP#30 Renesas Electronics 1: $8.99 Non-Stocked Lead-Time 18 Weeks	Mfr. Part No. R5F566TEEDFP#30 Mouser Part No 968-R5F566TEEDFP30	Renesas Electronics	32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 512K/64K QFP100 Learn More about Renesas Electronics renesas rx66t mcus	Datasheet	Non-Stocked Lead-Time 18 Weeks	$8.99 $6.97 $5.95 $5.61 View $5.57 $5.23 Quote	Min.: 1 Mult.: 1
32-bit Microcontrollers - MCU 32BIT MCU RX66T-H 1024K/128K QFP100 R5F566TKEGFP#30 Renesas Electronics 1: $12.33 Non-Stocked Lead-Time 18 Weeks	Mfr. Part No. R5F566TKEGFP#30 Mouser Part No 968-R5F566TKEGFP30	Renesas Electronics	32-bit Microcontrollers - MCU 32BIT MCU RX66T-H 1024K/128K QFP100 Learn More about Renesas Electronics renesas rx66t mcus	Datasheet	Non-Stocked Lead-Time 18 Weeks	$12.33 $10.01 $8.18 $7.54 View $7.33 $7.11 Quote	Min.: 1 Mult.: 1
32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP80 R5F566TAAGFF#30 Renesas Electronics 1: $7.78 Non-Stocked Lead-Time 18 Weeks	Mfr. Part No. R5F566TAAGFF#30 Mouser Part No 968-R5F566TAAGFF30	Renesas Electronics	32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP80 Learn More about Renesas Electronics renesas rx66t mcus	Datasheet	Non-Stocked Lead-Time 18 Weeks	$7.78 $6.00 $5.11 $4.72 View $4.71 $4.50 Quote	Min.: 1 Mult.: 1
Development Boards & Kits - Other Processors Starter Kit for RX66T w/ E2Lite RTK50566T0S00000BE Renesas Electronics 1: $332.86 Non-Stocked Lead-Time 18 Weeks	Mfr. Part No. RTK50566T0S00000BE Mouser Part No 968-K50566T0S00000BE	Renesas Electronics	Development Boards & Kits - Other Processors Starter Kit for RX66T w/ E2Lite Learn More about Renesas Electronics renesas rx66t mcus	Datasheet	Non-Stocked Lead-Time 18 Weeks	$332.86	Min.: 1 Mult.: 1
32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP80 R5F566TAADFF#10 Renesas Electronics 720: $4.40 Non-Stocked Lead-Time 18 Weeks	Mfr. Part No. R5F566TAADFF#10 Mouser Part No 968-R5F566TAADFF#10	Renesas Electronics	32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP80 Learn More about Renesas Electronics renesas rx66t mcus	Datasheet	Non-Stocked Lead-Time 18 Weeks	$4.40 $4.31 Quote Quote	Min.: 720 Mult.: 720
32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP80 R5F566TAADFF#30 Renesas Electronics 1: $7.76 Non-Stocked Lead-Time 18 Weeks	Mfr. Part No. R5F566TAADFF#30 Mouser Part No 968-R5F566TAADFF#30	Renesas Electronics	32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP80 Learn More about Renesas Electronics renesas rx66t mcus	Datasheet	Non-Stocked Lead-Time 18 Weeks	$7.76 $5.98 $5.07 $4.88 View $4.64 $4.61 $4.49 Quote	Min.: 1 Mult.: 1
32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP112 R5F566TAADFH#30 Renesas Electronics 1: $9.13 Non-Stocked Lead-Time 18 Weeks	Mfr. Part No. R5F566TAADFH#30 Mouser Part No 968-R5F566TAADFH#30	Renesas Electronics	32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP112 Learn More about Renesas Electronics renesas rx66t mcus	Datasheet	Non-Stocked Lead-Time 18 Weeks	$9.13 $6.84 $6.36 $5.56 View $5.33 $4.85 $4.76 $4.71 Quote	Min.: 1 Mult.: 1
32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP64 R5F566TAADFM#10 Renesas Electronics 1: $7.44 Non-Stocked Lead-Time 18 Weeks	Mfr. Part No. R5F566TAADFM#10 Mouser Part No 968-R5F566TAADFM#10	Renesas Electronics	32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP64 Learn More about Renesas Electronics renesas rx66t mcus	Datasheet	Non-Stocked Lead-Time 18 Weeks	$7.44 $5.73 $5.04 $4.83 View $4.76 $4.21 $4.13 Quote	Min.: 1 Mult.: 1
32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP64 R5F566TAADFM#30 Renesas Electronics 1: $7.02 Non-Stocked Lead-Time 18 Weeks	Mfr. Part No. R5F566TAADFM#30 Mouser Part No 968-R5F566TAADFM#30	Renesas Electronics	32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP64 Learn More about Renesas Electronics renesas rx66t mcus	Datasheet	Non-Stocked Lead-Time 18 Weeks	$7.02 $5.40 $4.76 $4.44 View $4.43 $4.16 $4.01 Quote	Min.: 1 Mult.: 1
32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP80 R5F566TAADFN#10 Renesas Electronics 952: $4.41 Non-Stocked Lead-Time 18 Weeks	Mfr. Part No. R5F566TAADFN#10 Mouser Part No 968-R5F566TAADFN#10	Renesas Electronics	32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP80 Learn More about Renesas Electronics renesas rx66t mcus	Datasheet	Non-Stocked Lead-Time 18 Weeks	$4.41 $4.31 Quote Quote	Min.: 952 Mult.: 952
32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP112 R5F566TAAGFH#30 Renesas Electronics 1: $9.76 Non-Stocked Lead-Time 18 Weeks	Mfr. Part No. R5F566TAAGFH#30 Mouser Part No 968-R5F566TAAGFH30	Renesas Electronics	32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP112 Learn More about Renesas Electronics renesas rx66t mcus	Datasheet	Non-Stocked Lead-Time 18 Weeks	$9.76 $7.33 $6.82 $5.95 View $5.70 $5.18 $5.08 $5.04 Quote	Min.: 1 Mult.: 1
32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP100 R5F566TAAGFP#30 Renesas Electronics 1: $8.21 Non-Stocked Lead-Time 18 Weeks	Mfr. Part No. R5F566TAAGFP#30 Mouser Part No 968-R5F566TAAGFP30	Renesas Electronics	32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP100 Learn More about Renesas Electronics renesas rx66t mcus	Datasheet	Non-Stocked Lead-Time 18 Weeks	$8.21 $6.35 $5.41 $5.20 View $5.11 $5.08 $4.95 $4.78 Quote	Min.: 1 Mult.: 1
32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP100 R5F566TABGFP#30 Renesas Electronics 1: $7.62 Non-Stocked Lead-Time 18 Weeks	Mfr. Part No. R5F566TABGFP#30 Mouser Part No 968-R5F566TABGFP30	Renesas Electronics	32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP100 Learn More about Renesas Electronics renesas rx66t mcus	Datasheet	Non-Stocked Lead-Time 18 Weeks	$7.62 $5.88 $4.99 $4.80 View $4.71 $4.68 $4.56 $4.54 Quote	Min.: 1 Mult.: 1
32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP80 R5F566TAEDFF#30 Renesas Electronics 1: $7.97 Non-Stocked Lead-Time 18 Weeks	Mfr. Part No. R5F566TAEDFF#30 Mouser Part No 968-R5F566TAEDFF30	Renesas Electronics	32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP80 Learn More about Renesas Electronics renesas rx66t mcus	Datasheet	Non-Stocked Lead-Time 18 Weeks	$7.97 $6.15 $5.40 $4.90 View $4.86 $4.85 Quote	Min.: 1 Mult.: 1
32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP112 R5F566TAEDFH#30 Renesas Electronics 1: $9.94 Non-Stocked Lead-Time 18 Weeks	Mfr. Part No. R5F566TAEDFH#30 Mouser Part No 968-R5F566TAEDFH30	Renesas Electronics	32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP112 Learn More about Renesas Electronics renesas rx66t mcus	Datasheet	Non-Stocked Lead-Time 18 Weeks	$9.94 $7.45 $6.92 $6.06 View $5.28 $5.18 $5.13 Quote	Min.: 1 Mult.: 1
32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP64 R5F566TAEDFM#10 Renesas Electronics 1,280: $4.64 Non-Stocked Lead-Time 18 Weeks	Mfr. Part No. R5F566TAEDFM#10 Mouser Part No 968-R5F566TAEDFM#10	Renesas Electronics	32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP64 Learn More about Renesas Electronics renesas rx66t mcus	Datasheet	Non-Stocked Lead-Time 18 Weeks	$4.64 $4.56 Quote Quote	Min.: 1,280 Mult.: 1,280
32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP64 R5F566TAEDFM#30 Renesas Electronics 1: $7.68 Non-Stocked Lead-Time 18 Weeks	Mfr. Part No. R5F566TAEDFM#30 Mouser Part No 968-R5F566TAEDFM30	Renesas Electronics	32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP64 Learn More about Renesas Electronics renesas rx66t mcus	Datasheet	Non-Stocked Lead-Time 18 Weeks	$7.68 $5.92 $5.48 $4.87 View $4.81 $4.77 $4.64 $4.42 Quote	Min.: 1 Mult.: 1
32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP80 R5F566TAEDFN#10 Renesas Electronics 952: $4.78 Non-Stocked Lead-Time 18 Weeks	Mfr. Part No. R5F566TAEDFN#10 Mouser Part No 968-R5F566TAEDFN#10	Renesas Electronics	32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP80 Learn More about Renesas Electronics renesas rx66t mcus	Datasheet	Non-Stocked Lead-Time 18 Weeks	$4.78 $4.75 Quote Quote	Min.: 952 Mult.: 952

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