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RX66T Series 32-bit Microcontrollers - MCU

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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.	Series	Mounting Style	Package/Case	Core	Program Memory Size	Data RAM Size	Data Bus Width	ADC Resolution	Maximum Clock Frequency	Number of I/Os	Supply Voltage - Min	Supply Voltage - Max	Minimum Operating Temperature	Maximum Operating Temperature	Packaging
32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP100 R5F566TAFGFP#30 Renesas Electronics 1: $8.31 90On Order	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	90On Order	$8.31 $6.43 $5.47 $5.26 View $5.16 $5.15 $5.01 Quote	Min.: 1 Mult.: 1	RX66T	SMD/SMT	LFQFP-100	RXv3	256 kB	64 kB	32 bit	12 bit	160 MHz	73 I/O	2.7 V	5.5 V	- 40 C	+ 105 C	Tray
32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 512K/64K QFP80 R5F566TEADFN#30 Renesas Electronics 1: $8.44 238Expected 10/12/2026	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 10/12/2026	$8.44 $6.52 $5.75 $5.46 View $5.42 $5.07 $4.82 Quote	Min.: 1 Mult.: 1	RX66T	SMD/SMT	LFQFP-80	RXv3	512 kB	64 kB	32 bit	12 bit	160 MHz	52 I/O	2.7 V	5.5 V	- 40 C	+ 85 C	Tray
32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 512K/64K QFP100 R5F566TEADFP#30 Renesas Electronics 1: $9.61 110On Order	Mfr. Part No. R5F566TEADFP#30 Mouser Part No 968-R5F566TEADFP#30	Renesas Electronics	32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 512K/64K QFP100 Learn More about Renesas Electronics renesas rx66t mcus	Datasheet	110On Order	$9.61 $7.20 $6.87 $5.96 View $5.69 $5.19 $4.94 Quote	Min.: 1 Mult.: 1	RX66T	SMD/SMT	LFQFP-100	RXv3	32 kB	64 kB	32 bit	12 bit	160 MHz	69 I/O	2.7 V	5.5 V	- 40 C	+ 85 C	Tray
32-bit Microcontrollers - MCU 32BIT MCU RX66T-H 512K/128K QFP100 R5F566TFADFP#30 Renesas Electronics 1: $8.69 90On Order	Mfr. Part No. R5F566TFADFP#30 Mouser Part No 968-R5F566TFADFP30	Renesas Electronics	32-bit Microcontrollers - MCU 32BIT MCU RX66T-H 512K/128K QFP100 Learn More about Renesas Electronics renesas rx66t mcus	Datasheet	90On Order	$8.69 $6.74 $6.38 $5.44 View $5.31 $5.26 $5.20 Quote	Min.: 1 Mult.: 1	RX66T														Tray
32-bit Microcontrollers - MCU 32BIT MCU RX66T-H 512K/128K QFP144 R5F566TFCDFB#30 Renesas Electronics 1: $10.15 113Expected 11/11/2026	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 11/11/2026	$10.15 $7.91 $6.93 $6.66 View $6.51 $6.33 Quote	Min.: 1 Mult.: 1	RX66T														Tray
32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP80 R5F566TAADFF#10 Renesas Electronics 720: $4.39 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	$4.39 View Quote	Min.: 720 Mult.: 720	RX66T														Tray
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 $4.60 $4.49 Quote	Min.: 1 Mult.: 1	RX66T	SMD/SMT	LQFP-80	RXv3	256 kB	64 kB	32 bit	12 bit	160 MHz	52 I/O	2.7 V	5.5 V	- 40 C	+ 85 C	Tray
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 $4.75 $4.71 Quote	Min.: 1 Mult.: 1	RX66T	SMD/SMT	LQFP-112	RXv3	256 kB	64 kB	32 bit	12 bit	160 MHz	84 I/O	2.7 V	5.5 V	- 40 C	+ 85 C	Tray
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 $4.82 View $4.76 $4.21 $4.13 Quote	Min.: 1 Mult.: 1	RX66T														Tray
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 $4.75 $4.44 View $4.43 $4.16 $4.01 Quote	Min.: 1 Mult.: 1	RX66T	SMD/SMT	LFQFP-64	RXv3	256 kB	64 kB	32 bit	12 bit	160 MHz	39 I/O	2.7 V	5.5 V	- 40 C	+ 85 C	Tray
32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP64 R5F566TAADFM#70 Renesas Electronics 1: $8.52 Non-Stocked Lead-Time 18 Weeks New Product	Mfr. Part No. R5F566TAADFM#70 Mouser Part No 968-R5F566TAADFM#70 New Product	Renesas Electronics	32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP64	Datasheet	Non-Stocked Lead-Time 18 Weeks	$8.52 $5.95 $5.68 $4.93 View $4.70 $4.28 $4.21 $4.01 Quote	Min.: 1 Mult.: 1	RX66T														Tray
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 View Quote	Min.: 952 Mult.: 952	RX66T														Tray
32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP80 R5F566TAADFN#70 Renesas Electronics 1: $8.92 Non-Stocked Lead-Time 18 Weeks New Product	Mfr. Part No. R5F566TAADFN#70 Mouser Part No 968-R5F566TAADFN#70 New Product	Renesas Electronics	32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP80	Datasheet	Non-Stocked Lead-Time 18 Weeks	$8.92 $6.24 $5.95 $5.16 View $4.92 $4.49 $4.41 $4.20 Quote	Min.: 1 Mult.: 1	RX66T														Tray
32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP100 R5F566TAADFP#70 Renesas Electronics 1: $8.81 Non-Stocked Lead-Time 18 Weeks New Product	Mfr. Part No. R5F566TAADFP#70 Mouser Part No 968-R5F566TAADFP#70 New Product	Renesas Electronics	32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP100	Datasheet	Non-Stocked Lead-Time 18 Weeks	$8.81 $6.61 $6.30 $5.46 View $5.21 $4.75 $4.52 $4.45 Quote	Min.: 1 Mult.: 1	RX66T														Tray
32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP80 R5F566TAAGFF#10 Renesas Electronics 720: $4.66 Non-Stocked Lead-Time 18 Weeks	Mfr. Part No. R5F566TAAGFF#10 Mouser Part No 968-R5F566TAAGFF10	Renesas Electronics	32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP80	Datasheet	Non-Stocked Lead-Time 18 Weeks	$4.66 View Quote	Min.: 720 Mult.: 720	RX66T	SMD/SMT	LQFP-80	RXv3	256 kB	64 kB	32 bit	12 bit	160 MHz	52 I/O	2.7 V	5.5 V	- 40 C	+ 105 C	Tray
32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP80 R5F566TAAGFF#30 Renesas Electronics 1: $8.89 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	$8.89 $6.66 $6.35 $5.51 View $5.27 $4.80 $4.56 $4.50 Quote	Min.: 1 Mult.: 1	RX66T	SMD/SMT	LQFP-80	RXv3	256 kB	64 kB	32 bit	12 bit	160 MHz	52 I/O	2.7 V	5.5 V	- 40 C	+ 105 C	Tray
32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP112 R5F566TAAGFH#10 Renesas Electronics 480: $5.18 Non-Stocked Lead-Time 18 Weeks	Mfr. Part No. R5F566TAAGFH#10 Mouser Part No 968-R5F566TAAGFH10	Renesas Electronics	32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP112	Datasheet	Non-Stocked Lead-Time 18 Weeks	$5.18 $5.10 View Quote	Min.: 480 Mult.: 480	RX66T	SMD/SMT	LQFP-112	RXv3	256 kB	64 kB	32 bit	12 bit	160 MHz	84 I/O	2.7 V	5.5 V	- 40 C	+ 105 C	Tray
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 $7.32 $6.81 $5.95 View $5.70 $5.18 $5.08 Quote	Min.: 1 Mult.: 1	RX66T	SMD/SMT	LQFP-112	RXv3	256 kB	64 kB	32 bit	12 bit	160 MHz	84 I/O	2.7 V	5.5 V	- 40 C	+ 105 C	Tray
32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP64 R5F566TAAGFM#30 Renesas Electronics 1: $9.11 Non-Stocked Lead-Time 18 Weeks	Mfr. Part No. R5F566TAAGFM#30 Mouser Part No 968-R5F566TAAGFM#30	Renesas Electronics	32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP64	Datasheet	Non-Stocked Lead-Time 18 Weeks	$9.11 $6.37 $6.07 $4.73 View $4.72 $4.64 $4.60 $4.48 Quote	Min.: 1 Mult.: 1	RX66T														Tray
32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP64 R5F566TAAGFM#70 Renesas Electronics 1: $9.11 Non-Stocked Lead-Time 18 Weeks New Product	Mfr. Part No. R5F566TAAGFM#70 Mouser Part No 968-R5F566TAAGFM#70 New Product	Renesas Electronics	32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP64	Datasheet	Non-Stocked Lead-Time 18 Weeks	$9.11 $6.37 $6.07 $5.27 View $5.03 $4.58 $4.51 $4.29 Quote	Min.: 1 Mult.: 1	RX66T														Tray
32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP64 R5F566TAAGFM#10 Renesas Electronics 1: $9.11 Non-Stocked Lead-Time 18 Weeks	Mfr. Part No. R5F566TAAGFM#10 Mouser Part No 968-R5F566TAAGFM10	Renesas Electronics	32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP64	Datasheet	Non-Stocked Lead-Time 18 Weeks	$9.11 $6.37 $6.07 $5.27 View $5.04 $4.59 $4.52 $4.42 Quote	Min.: 1 Mult.: 1	RX66T	SMD/SMT	LFQFP-64	RXv3	256 kB	64 kB	32 bit	12 bit	160 MHz	39 I/O	2.7 V	5.5 V	- 40 C	+ 105 C	Tray
32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP80 R5F566TAAGFN#70 Renesas Electronics 1: $8.90 Non-Stocked Lead-Time 18 Weeks New Product	Mfr. Part No. R5F566TAAGFN#70 Mouser Part No 968-R5F566TAAGFN#70 New Product	Renesas Electronics	32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP80	Datasheet	Non-Stocked Lead-Time 18 Weeks	$8.90 $6.67 $6.36 $5.52 View $5.27 $4.80 $4.56 $4.50 Quote	Min.: 1 Mult.: 1	RX66T														Tray
32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP80 R5F566TAAGFN#10 Renesas Electronics 952: $4.66 Non-Stocked Lead-Time 18 Weeks	Mfr. Part No. R5F566TAAGFN#10 Mouser Part No 968-R5F566TAAGFN10	Renesas Electronics	32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP80	Datasheet	Non-Stocked Lead-Time 18 Weeks	$4.66 View Quote	Min.: 952 Mult.: 952	RX66T	SMD/SMT	LFQFP-80	RXv3	256 kB	64 kB	32 bit	12 bit	160 MHz	52 I/O	2.7 V	5.5 V	- 40 C	+ 105 C	Tray
32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP100 R5F566TAAGFP#70 Renesas Electronics 1: $9.45 Non-Stocked Lead-Time 18 Weeks New Product	Mfr. Part No. R5F566TAAGFP#70 Mouser Part No 968-R5F566TAAGFP#70 New Product	Renesas Electronics	32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP100	Datasheet	Non-Stocked Lead-Time 18 Weeks	$9.45 $7.08 $6.75 $5.86 View $5.59 $5.10 $4.85 Quote	Min.: 1 Mult.: 1	RX66T														Tray
32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP100 R5F566TAAGFP#10 Renesas Electronics 720: $4.95 Non-Stocked Lead-Time 18 Weeks	Mfr. Part No. R5F566TAAGFP#10 Mouser Part No 968-R5F566TAAGFP10	Renesas Electronics	32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP100	Datasheet	Non-Stocked Lead-Time 18 Weeks	$4.95 View Quote	Min.: 720 Mult.: 720	RX66T	SMD/SMT	LFQFP-100	RXv3	256 kB	64 kB	32 bit	12 bit	160 MHz	72 I/O	2.7 V	5.5 V	- 40 C	+ 105 C	Tray

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