256 kB Microcontrollers - MCU

Results: 4,029
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Qty. RoHS Mounting Style
Package / Case
Core
Data Bus Width
Maximum Clock Frequency
Program Memory Size
Data RAM Size
ADC Resolution
Number of I/Os
Supply Voltage - Min
Supply Voltage - Max
Maximum Operating Temperature
Qualification
Packaging
Renesas Electronics 32-bit Microcontrollers - MCU 32BIT MCU RX24T 256K/16K QFP100
Datasheet
450In Stock
Min.: 1
Mult.: 1

SMD/SMT LFQFP-100 RXv2 32 bit 80 MHz 256 kB 16 kB 12 bit 80 I/O 2.7 V 5.5 V + 105 C Tray
Renesas Electronics 32-bit Microcontrollers - MCU 32BIT MCU RX24TH,U 256K/32K QFP100
Datasheet
360In Stock
Min.: 1
Mult.: 1

SMD/SMT LFQFP-100 RXv2 32 bit 80 MHz 256 kB 32 kB 12 bit 79 I/O 2.7 V 5.5 V + 105 C Tray
Renesas Electronics 32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP100
Datasheet
350In Stock
Min.: 1
Mult.: 1

SMD/SMT LFQFP-100 RXv3 32 bit 160 MHz 256 kB 64 kB 12 bit 73 I/O 2.7 V 5.5 V + 105 C Tray
Renesas Electronics 32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP80
Datasheet
357In Stock
Min.: 1
Mult.: 1

SMD/SMT LFQFP-80 RXv3 32 bit 160 MHz 256 kB 64 kB 12 bit 52 I/O 2.7 V 5.5 V + 105 C Tray
Renesas Electronics ARM Microcontrollers - MCU MCU RA2L1 ARM CM23 48MHz 256K/32K QFP48
Datasheet
1,965In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-48 ARM Cortex M23 32 bit 48 MHz 256 kB 32 kB 12 bit 34 I/O 1.6 V 5.5 V + 85 C Tray
Renesas Electronics ARM Microcontrollers - MCU MCU RA4 ARM CM4 48MHz 256K/32K QFN64
Datasheet
587In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-64 ARM Cortex M4 32 bit 48 MHz 256 kB 32 kB 14 bit 52 I/O 1.6 V 5.5 V + 105 C Tray
Renesas Electronics ARM Microcontrollers - MCU MCU RA6T1 ARM CM4 120MHz 256K/64K QFP64
Datasheet
510In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-64 ARM Cortex M4 32 bit 120 MHz 256 kB 64 kB 12 bit 40 I/O 2.7 V 3.6 V + 105 C Tray
Renesas Electronics ARM Microcontrollers - MCU MCU RA6T1 ARM CM4 120MHz 256K/64K QFP100
Datasheet
813In Stock
775On Order
Min.: 1
Mult.: 1

SMD/SMT QFP-100 ARM Cortex M4 32 bit 120 MHz 256 kB 64 kB 12 bit 76 I/O 2.7 V 3.6 V + 105 C Tray
Renesas Electronics ARM Microcontrollers - MCU SYNERGY MCU PLATFORM S128 256K 64LQFP
Datasheet
2,209In Stock
831Expected 11/26/2026
Min.: 1
Mult.: 1

SMD/SMT LQFP-64 ARM Cortex M0+ 32 bit 32 MHz 256 kB 24 kB 14 bit 53 I/O 1.6 V 5.5 V + 105 C Tray
NXP Semiconductors 32-bit Microcontrollers - MCU MCF51AC 32-bit MCU, ColdFire V1 core, 256KB Flash, 50MHz, QFP 80
Datasheet
230In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-80 ColdFire V1 32 bit 50.33 MHz 256 kB 32 kB 12 bit 69 I/O 2.7 V 5.5 V + 85 C Tray
NXP Semiconductors 32-bit Microcontrollers - MCU MCF51AC 32-bit MCU, ColdFire V1 core, 256KB Flash, 50MHz, QFP 64
Datasheet
360In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-64 ColdFire V1 32 bit 50.33 MHz 256 kB 32 kB 12 bit 54 I/O 2.7 V 5.5 V + 85 C Tray
NXP Semiconductors 32-bit Microcontrollers - MCU MCF51AC 32-bit MCU, ColdFire V1 core, 256KB Flash, 50MHz, QFP 80
Datasheet
432In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-80 ColdFire V1 32 bit 50.33 MHz 256 kB 32 kB 12 bit 69 I/O 2.7 V 5.5 V + 85 C Tray
Texas Instruments ARM Microcontrollers - MCU Stellaris Cortex-M3 Fury 32-Bit ARM
Datasheet
386In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-100 ARM Cortex M3 32 bit 50 MHz 256 kB 64 kB 10 bit 52 I/O 2.25 V 2.75 V + 85 C Tray
Renesas Electronics 16-bit Microcontrollers - MCU MCU 3V 256K Pb-Free 144-QFP
Datasheet
62In Stock
Min.: 1
Mult.: 1

SMD/SMT H8S/2600 16 bit 33 MHz 256 kB 64 kB 10 bit 98 I/O 3 V 3.6 V + 75 C Tray
Renesas Electronics 32-bit Microcontrollers - MCU 32BIT MCU RX621 256K/64K QFP100
Datasheet
1,384In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-100 RX 32 bit 100 MHz 256 kB 64 kB 12 bit 72 I/O 2.7 V 3.6 V + 85 C Tray
Renesas Electronics 32-bit Microcontrollers - MCU 32BIT MCU RX631 256K/64K QFP48
Datasheet
263In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-48 RX 32 bit 100 MHz 256 kB 64 kB 10 bit, 12 bit 30 I/O 2.7 V 3.6 V + 85 C Tray
Renesas Electronics 32-bit Microcontrollers - MCU 32BIT MCU RX63T 256K/24K QFP120
Datasheet
180In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-120 RX 32 bit 100 MHz 256 kB 24 kB 10 bit, 12 bit 72 I/O 4 V 5.5 V + 85 C Tray
Microchip Technology 32-bit Microcontrollers - MCU UC3L-256KB FL 85C
Datasheet
37In Stock
2,500Expected 9/1/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

SMD/SMT TQFP-48 AVR 32 bit 50 MHz 256 kB 32 kB 12 bit 36 I/O 1.8 V 1.8 V + 85 C Reel, Cut Tape, MouseReel

Microchip Technology 8-bit Microcontrollers - MCU AVR 256K FLASH 4K EE 8K SRAM ADC 5V
Datasheet
41In Stock
Min.: 1
Mult.: 1

SMD/SMT MLF-64 AVR 8 bit 16 MHz 256 kB 8 kB 10 bit 54 I/O 4.5 V 5.5 V + 85 C Tray
Microchip Technology ARM Microcontrollers - MCU 256K Flash, 52K SRAM 32-bit ARM Cortex M3
Datasheet
178In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-100 ARM Cortex M3 32 bit 96 MHz 256 kB 52 kB 12 bit 57 I/O 1.62 V 1.95 V + 85 C Tray
Microchip Technology ARM Microcontrollers - MCU TQFP, Green, IND TEMP, CRYPTO, MRL A
Datasheet
24In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-64 ARM Cortex M4 32 bit 48 MHz 256 kB 32 kB 12 bit 43 I/O 1.62 V 1.98 V + 85 C Tray
Microchip Technology ARM Microcontrollers - MCU TQFP, Green, IND TEMP, CRYPTO, MRL A
Datasheet
130In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-48 ARM Cortex M4 32 bit 48 MHz 256 kB 32 kB 12 bit 32 I/O 1.62 V 1.98 V + 85 C Tray

Microchip Technology ARM Microcontrollers - MCU QFNGREENIND
Datasheet
128In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-48 ARM Cortex M4 32 bit 120 MHz 256 kB 64 kB 12 bit 34 I/O 1.08 V 1.32 V + 85 C Tray
Microchip Technology ARM Microcontrollers - MCU LQFP,GREEN,IND TEMP,MRL B
Datasheet
245In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-48 ARM Cortex M4 32 bit 120 MHz 256 kB 64 kB 12 bit 34 I/O 1.2 V 1.2 V + 105 C Tray

Microchip Technology ARM Microcontrollers - MCU QFN,GREEN,EXT TEMP,MRL B
Datasheet
260In Stock
Min.: 1
Mult.: 1
SMD/SMT QFN-64 ARM Cortex M4 32 bit 120 MHz 256 kB 64 kB 12 bit 47 I/O 1.62 V 3.6 V + 105 C Tray