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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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Part #

32-bit Microcontrollers - MCU 32BIT MCU RX66T-H 1024K/128K QFP100

R5F566TKFDFP#30
Renesas Electronics
1: $9.66
268In Stock

Mfr. Part No.
R5F566TKFDFP#30

Mouser Part No
968-R5F566TKFDFP30

Renesas Electronics

32-bit Microcontrollers - MCU 32BIT MCU RX66T-H 1024K/128K QFP100

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Datasheet

268In Stock

$9.66

$7.52

$6.47

$6.22

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Min.: 1
Mult.: 1

32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP80

R5F566TAADFN#30
Renesas Electronics
1: $7.02
601In Stock

Mfr. Part No.
R5F566TAADFN#30

Mouser Part No
968-R5F566TAADFN#30

Renesas Electronics

32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP80

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Datasheet

601In Stock

$7.02

$5.41

$4.85

$4.38

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Mult.: 1

32-bit Microcontrollers - MCU 32BIT MCU RX66T-H 1024K/128K QFP100

R5F566TKEGFP#30
Renesas Electronics
1: $12.33
218In Stock

Mfr. Part No.
R5F566TKEGFP#30

Mouser Part No
968-R5F566TKEGFP30

Renesas Electronics

32-bit Microcontrollers - MCU 32BIT MCU RX66T-H 1024K/128K QFP100

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Datasheet

218In Stock

$12.33

$10.01

$8.52

$7.54

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Min.: 1
Mult.: 1

32-bit Microcontrollers - MCU 32BIT MCU RX66T-H 1024K/128K QFP100

R5F566TKFGFP#30
Renesas Electronics
1: $10.32
265In Stock

Mfr. Part No.
R5F566TKFGFP#30

Mouser Part No
968-R5F566TKFGFP30

Renesas Electronics

32-bit Microcontrollers - MCU 32BIT MCU RX66T-H 1024K/128K QFP100

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Datasheet

265In Stock

$10.32

$8.04

$6.90

$6.57

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32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP100

R5F566TAADFP#30
Renesas Electronics
1: $8.82
138In Stock
90Expected 2026/11/10

Mfr. Part No.
R5F566TAADFP#30

Mouser Part No
968-R5F566TAADFP#30

Renesas Electronics

32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP100

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Datasheet

138In Stock

90Expected 2026/11/10

$8.82

$6.61

$5.84

$5.47

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Mult.: 1

32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 512K/64K QFP100

R5F566TEBGFP#30
Renesas Electronics
1: $9.56
257In Stock

Mfr. Part No.
R5F566TEBGFP#30

Mouser Part No
968-R5F566TEBGFP30

Renesas Electronics

32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 512K/64K QFP100

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Datasheet

257In Stock

$9.56

$7.18

$6.11

$5.93

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32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 512K/64K QFP80

R5F566TEEGFN#30
Renesas Electronics
1: $8.80
238In Stock

Mfr. Part No.
R5F566TEEGFN#30

Mouser Part No
968-R5F566TEEGFN30

Renesas Electronics

32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 512K/64K QFP80

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Datasheet

238In Stock

$8.80

$6.83

$6.34

$5.73

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Min.: 1
Mult.: 1

32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 512K/64K QFP64

R5F566TEEGFM#30
Renesas Electronics
1: $8.51
283In Stock

Mfr. Part No.
R5F566TEEGFM#30

Mouser Part No
968-R5F566TEEGFM30

Renesas Electronics

32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 512K/64K QFP64

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Datasheet

283In Stock

$8.51

$6.61

$6.12

$5.38

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Min.: 1
Mult.: 1

32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP64

R5F566TAADFM#30
Renesas Electronics
1: $6.76
242In Stock

Mfr. Part No.
R5F566TAADFM#30

Mouser Part No
968-R5F566TAADFM#30

Renesas Electronics

32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP64

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Datasheet

242In Stock

$6.76

$5.20

$4.81

$4.27

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Min.: 1
Mult.: 1

32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP100

R5F566TABDFP#30
Renesas Electronics
1: $6.65
264In Stock

Mfr. Part No.
R5F566TABDFP#30

Mouser Part No
968-R5F566TABDFP#30

Renesas Electronics

32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP100

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Datasheet

264In Stock

$6.65

$5.12

$4.34

$4.27

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Min.: 1
Mult.: 1

32-bit Microcontrollers - MCU 32BIT MCU RX66T-H 1024K/128K QFP144

R5F566TKCGFB#30
Renesas Electronics
1: $11.26
177In Stock

Mfr. Part No.
R5F566TKCGFB#30

Mouser Part No
968-R5F566TKCGFB30

Renesas Electronics

32-bit Microcontrollers - MCU 32BIT MCU RX66T-H 1024K/128K QFP144

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Datasheet

177In Stock

$11.26

$8.82

$7.64

$7.63

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Min.: 1
Mult.: 1

32-bit Microcontrollers - MCU 32BIT MCU RX66T-H 512K/128K QFP100

R5F566TFAGFP#30
Renesas Electronics
1: $10.42
270In Stock

Mfr. Part No.
R5F566TFAGFP#30

Mouser Part No
968-R5F566TFAGFP30

Renesas Electronics

32-bit Microcontrollers - MCU 32BIT MCU RX66T-H 512K/128K QFP100

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Datasheet

270In Stock

$10.42

$8.06

$5.72

$5.71

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Min.: 1
Mult.: 1

32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP80

R5F566TAAGFF#30
Renesas Electronics
1: $7.20
360In Stock

Mfr. Part No.
R5F566TAAGFF#30

Mouser Part No
968-R5F566TAAGFF30

Renesas Electronics

32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP80

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Datasheet

360In Stock

$7.20

$5.56

$4.73

$4.72

View

Min.: 1
Mult.: 1

32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP100

R5F566TABGFP#30
Renesas Electronics
1: $7.06
350In Stock

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

Datasheet

350In Stock

$7.06

$5.44

$4.63

$4.62

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Min.: 1
Mult.: 1

32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP80

R5F566TAEDFN#30
Renesas Electronics
1: $7.37
357In Stock

Mfr. Part No.
R5F566TAEDFN#30

Mouser Part No
968-R5F566TAEDFN30

Renesas Electronics

32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP80

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Datasheet

357In Stock

$7.37

$5.70

$5.28

$4.86

View

Min.: 1
Mult.: 1

32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP80

R5F566TAEGFN#30
Renesas Electronics
1: $7.84
357In Stock

Mfr. Part No.
R5F566TAEGFN#30

Mouser Part No
968-R5F566TAEGFN30

Renesas Electronics

32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP80

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Datasheet

357In Stock

$7.84

$6.07

$5.63

$5.19

View

Min.: 1
Mult.: 1

32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP100

R5F566TAFDFP#30
Renesas Electronics
1: $7.26
360In Stock

Mfr. Part No.
R5F566TAFDFP#30

Mouser Part No
968-R5F566TAFDFP30

Renesas Electronics

32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP100

Learn More

Datasheet

360In Stock

$7.26

$5.61

$4.76

$4.54

$4.43

Min.: 1
Mult.: 1

32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 512K/64K QFP80

R5F566TEAGFN#30
Renesas Electronics
1: $7.84
332In Stock

Mfr. Part No.
R5F566TEAGFN#30

Mouser Part No
968-R5F566TEAGFN30

Renesas Electronics

32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 512K/64K QFP80

Learn More

Datasheet

332In Stock

$7.84

$6.07

$5.63

$5.19

View

Min.: 1
Mult.: 1

32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 512K/64K QFP100

R5F566TEBDFP#30
Renesas Electronics
1: $7.54
590In Stock
3,888On Order

Mfr. Part No.
R5F566TEBDFP#30

Mouser Part No
968-R5F566TEBDFP#30

Renesas Electronics

32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 512K/64K QFP100

Learn More

Datasheet

590In Stock

3,888On Order

$7.54

$5.82

$5.38

$5.30

View

Min.: 1
Mult.: 1

32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 512K/64K QFP80

R5F566TEEDFN#30
Renesas Electronics
1: $8.28
357In Stock

Mfr. Part No.
R5F566TEEDFN#30

Mouser Part No
968-R5F566TEEDFN30

Renesas Electronics

32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 512K/64K QFP80

Learn More

Datasheet

357In Stock

$8.28

$6.42

$5.95

$5.38

View

Min.: 1
Mult.: 1

32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 512K/64K QFP100

R5F566TEEGFP#30
Renesas Electronics
1: $8.84
270In Stock

Mfr. Part No.
R5F566TEEGFP#30

Mouser Part No
968-R5F566TEEGFP30

Renesas Electronics

32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 512K/64K QFP100

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Datasheet

270In Stock

$8.84

$6.87

$5.93

$5.92

View

Min.: 1
Mult.: 1

32-bit Microcontrollers - MCU 32BIT MCU RX66T-H 512K/128K QFP100

R5F566TFADFP#30
Renesas Electronics
1: $8.37
520In Stock

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

Datasheet

520In Stock

$8.37

$6.49

$5.54

$5.33

View

Min.: 1
Mult.: 1

32-bit Microcontrollers - MCU 32BIT MCU RX66T-H 512K/128K QFP100

R5F566TFEGFP#30
Renesas Electronics
1: $9.18
260In Stock

Mfr. Part No.
R5F566TFEGFP#30

Mouser Part No
968-R5F566TFEGFP30

Renesas Electronics

32-bit Microcontrollers - MCU 32BIT MCU RX66T-H 512K/128K QFP100

Learn More

Datasheet

260In Stock

$9.18

$7.14

$6.18

$5.84

$5.52

Min.: 1
Mult.: 1

32-bit Microcontrollers - MCU 32BIT MCU RX66T-H 512K/128K QFP144

R5F566TFGDFB#30
Renesas Electronics
1: $10.39
232In Stock

Mfr. Part No.
R5F566TFGDFB#30

Mouser Part No
968-R5F566TFGDFB30

Renesas Electronics

32-bit Microcontrollers - MCU 32BIT MCU RX66T-H 512K/128K QFP144

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Datasheet

232In Stock

$10.39

$8.11

$7.11

$6.83

View

Min.: 1
Mult.: 1

32-bit Microcontrollers - MCU 32BIT MCU RX66T-H 512K/128K QFP100

R5F566TFGDFP#30
Renesas Electronics
1: $9.21
267In Stock

Mfr. Part No.
R5F566TFGDFP#30

Mouser Part No
968-R5F566TFGDFP30

Renesas Electronics

32-bit Microcontrollers - MCU 32BIT MCU RX66T-H 512K/128K QFP100

Learn More

Datasheet

267In Stock

$9.21

$7.18

$6.21

$6.20

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Min.: 1
Mult.: 1

RX66T 32-Bit MCUs

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RX66T 32-Bit MCUs

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