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256 kB RF Microcontrollers - MCU

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (PEN) Filter the results in the table by unit price based on your quantity.	Qty.	Core	Operating Frequency	Data Bus Width	Program Memory Size	Data RAM Size	Maximum Clock Frequency	ADC Resolution	Supply Voltage - Min	Supply Voltage - Max	Maximum Operating Temperature	Package / Case	Mounting Style	Packaging
RF Microcontrollers - MCU RF Bluetooth SMART S OC with USB BLE A 5 A 595-CC2540F256RHAT CC2540F256RHAR Texas Instruments 1: S/24.95 19,382In Stock	Mfr. Part # CC2540F256RHAR Mouser Part # 595-CC2540F256RHAR	Texas Instruments	RF Microcontrollers - MCU RF Bluetooth SMART S OC with USB BLE A 5 A 595-CC2540F256RHAT Learn More about Texas Instruments ticc2540	Datasheet	19,382In Stock	Cut Tape S/24.95 S/19.15 S/17.67 S/16.08 View Reel S/14.48 S/15.34 S/14.87 S/14.67 S/14.48 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	8051	2.4 GHz	8 bit	256 kB	8 kB			2 V	3.6 V	+ 85 C	VQFN-40	SMD/SMT	Reel, Cut Tape, MouseReel
RF Microcontrollers - MCU 2.4GHZ 802.15.4 256K SOC T&R ATMEGA256RFR2-ZUR Microchip Technology 1: S/33.01 2,664In Stock	Mfr. Part # ATMEGA256RFR2-ZUR Mouser Part # 556-ATMEGA256RFR2ZUR	Microchip Technology	RF Microcontrollers - MCU 2.4GHZ 802.15.4 256K SOC T&R Learn More about Microchip Technology microchip atmega256rfr2 wireless module	Datasheet	2,664In Stock	Cut Tape S/33.01 Reel S/27.68 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	AVR		8 bit	256 kB	32 kB	16 MHz		1.8 V	3.6 V	+ 85 C	QFN-64	SMD/SMT	Reel, Cut Tape, MouseReel
RF Microcontrollers - MCU SAMR21 48pin 256K 125C ATSAMR21G18A-MF Microchip Technology 1: S/28.49 409In Stock	Mfr. Part # ATSAMR21G18A-MF Mouser Part # 556-ATSAMR21G18A-MF	Microchip Technology	RF Microcontrollers - MCU SAMR21 48pin 256K 125C Learn More about Microchip Technology microchip r21 microcontrollers	Datasheet	409In Stock	S/28.49 S/26.70	Min.: 1 Mult.: 1	ARM Cortex M0+		32 bit	256 kB	32 kB	48 MHz	12 bit	3.3 V	3.3 V	+ 125 C	QFN-48	SMD/SMT	Tray
RF Microcontrollers - MCU RF Bluetooth SMART S OC with USB BLE A 5 A 595-CC2540F256RHAR CC2540F256RHAT Texas Instruments 1: S/29.70 695In Stock	Mfr. Part # CC2540F256RHAT Mouser Part # 595-CC2540F256RHAT	Texas Instruments	RF Microcontrollers - MCU RF Bluetooth SMART S OC with USB BLE A 5 A 595-CC2540F256RHAR Learn More about Texas Instruments ticc2540	Datasheet	695In Stock	Cut Tape S/29.70 S/23.28 S/21.56 S/19.66 Reel S/18.18 View S/17.83 S/17.59 S/16.78 MouseReel Available	Min.: 1 Mult.: 1 : 250	8051	2.4 GHz	8 bit	256 kB	8 kB			2 V	3.6 V	+ 85 C	VQFN-40	SMD/SMT	Reel, Cut Tape, MouseReel
RF Microcontrollers - MCU PSoC4 CY8C4248LQI-BL593 Infineon Technologies 1: S/36.04 676In Stock	Mfr. Part # CY8C4248LQI-BL593 Mouser Part # 727-CY8C4248LQIBL593	Infineon Technologies	RF Microcontrollers - MCU PSoC4 Learn More about Infineon Technologies cypress psoc4xx8 ble controllers	Datasheet	676In Stock	S/36.04 S/27.95 S/25.92 S/23.67 S/20.71	Min.: 1 Mult.: 1	ARM Cortex M0	2.4 GHz	32 bit	256 kB	32 kB	48 MHz	12 bit	1.8 V	5.5 V	+ 85 C	QFN-56	SMD/SMT	Tray
RF Microcontrollers - MCU PSoC4 CY8C4248LQI-BL553 Infineon Technologies 1: S/28.38 1,036In Stock	Mfr. Part # CY8C4248LQI-BL553 Mouser Part # 727-CY8C4248LQIBL553	Infineon Technologies	RF Microcontrollers - MCU PSoC4 Learn More about Infineon Technologies cypress psoc4xx8 ble controllers	Datasheet	1,036In Stock	S/28.38 S/22.27 S/20.67 S/19.66 View S/18.80 S/18.65 S/18.29 Quote	Min.: 1 Mult.: 1	ARM Cortex M0	2.4 GHz	32 bit	256 kB	32 kB	48 MHz	12 bit	1.71 V	5.5 V	+ 85 C	QFN-56	SMD/SMT	Tray
RF Microcontrollers - MCU CY8C4248LQQ-BL583 CY8C4248LQQ-BL583 Infineon Technologies 1: S/33.63 280In Stock	Mfr. Part # CY8C4248LQQ-BL583 Mouser Part # 727-CY8C4248LQQ-BL53	Infineon Technologies	RF Microcontrollers - MCU CY8C4248LQQ-BL583 Learn More about Infineon Technologies cypress psoc4xx8 ble controllers	Datasheet	280In Stock	S/33.63 S/26.08 S/24.17 S/22.11 View S/21.10 S/20.51 S/20.05 Quote	Min.: 1 Mult.: 1	ARM Cortex M0	2.4 GHz	32 bit	256 kB	32 kB	48 MHz	12 bit	1.8 V	5.5 V	+ 105 C	QFN-56	SMD/SMT	Tray
RF Microcontrollers - MCU PSoC4 CY8C4248LQI-BL573 Infineon Technologies 1: S/27.79 1,964In Stock	Mfr. Part # CY8C4248LQI-BL573 Mouser Part # 727-CY8C4248LQIBL573	Infineon Technologies	RF Microcontrollers - MCU PSoC4 Learn More about Infineon Technologies cypress psoc4xx8 ble controllers	Datasheet	1,964In Stock	S/27.79 S/21.29 S/19.77 S/17.91 View S/17.05 S/16.54 S/16.35 S/16.31	Min.: 1 Mult.: 1	ARM Cortex M0	2.4 GHz	32 bit	256 kB	32 kB	48 MHz	12 bit	1.71 V	5.5 V		QFN-56	SMD/SMT	Tray
RF Microcontrollers - MCU PSoC4 CY8C4128LQI-BL543 Infineon Technologies 1: S/23.12 1,300In Stock	Mfr. Part # CY8C4128LQI-BL543 Mouser Part # 727-CY8C4128LQIBL543	Infineon Technologies	RF Microcontrollers - MCU PSoC4	Datasheet	1,300In Stock	S/23.12 S/17.63 S/15.65 S/14.71 View S/14.01 S/13.58 S/12.96 S/12.92	Min.: 1 Mult.: 1	ARM Cortex M0	2.4 GHz	32 bit	256 kB	32 kB	24 MHz	12 bit	1.71 V	5.5 V		QFN-56	SMD/SMT	Tray
RF Microcontrollers - MCU SAMR21 32pin 256K T&R ATSAMR21E18A-MUT Microchip Technology 1: S/28.06 622In Stock	Mfr. Part # ATSAMR21E18A-MUT Mouser Part # 556-ATSAMR21E18A-MUT	Microchip Technology	RF Microcontrollers - MCU SAMR21 32pin 256K T&R Learn More about Microchip Technology microchip 32bit sam mcus	Datasheet	622In Stock	Cut Tape S/28.06 Reel S/23.51	Min.: 1 Mult.: 1 : 5,000	ARM Cortex M0+	2.4 GHz	32 bit	256 kB	32 kB	48 MHz	8 bit	1.8 V	3.6 V	+ 85 C	VQFN-32	SMD/SMT	Reel, Cut Tape
RF Microcontrollers - MCU 2.4GHZ 802.15.4 256K SOC Tray ATMEGA256RFR2-ZU Microchip Technology 1: S/29.54 147In Stock	Mfr. Part # ATMEGA256RFR2-ZU Mouser Part # 556-ATMEGA256RFR2-ZU	Microchip Technology	RF Microcontrollers - MCU 2.4GHZ 802.15.4 256K SOC Tray Learn More about Microchip Technology microchip atmega256rfr2 wireless module	Datasheet	147In Stock	S/29.54 S/27.68	Min.: 1 Mult.: 1	AVR	2.4 GHz	8 bit	256 kB	32 kB	16 MHz		1.8 V	3.6 V	+ 85 C	QFN-64	SMD/SMT	Tray
RF Microcontrollers - MCU PSoC4 Infineon Technologies CY8C4128LQI-BL583 CY8C4128LQI-BL583 Infineon Technologies 1: S/27.79 497In Stock	Mfr. Part # CY8C4128LQI-BL583 Mouser Part # 727-CY8C4128LQIBL583	Infineon Technologies	RF Microcontrollers - MCU PSoC4 Learn More about Infineon Technologies cypress psoc4xx8 ble controllers	Datasheet	497In Stock	S/27.79 S/18.41 S/17.48 S/16.43 View S/16.15 S/16.11	Min.: 1 Mult.: 1	ARM Cortex M0	2.4 GHz	32 bit	256 kB	32 kB	24 MHz	12 bit	1.8 V	5.5 V	+ 85 C	QFN-56	SMD/SMT	Tray
RF Microcontrollers - MCU PSoC4 CY8C4248LQI-BL563 Infineon Technologies 1: S/29.08 560In Stock	Mfr. Part # CY8C4248LQI-BL563 Mouser Part # 727-CY8C4248LQIBL563	Infineon Technologies	RF Microcontrollers - MCU PSoC4 Learn More about Infineon Technologies cypress psoc4xx8 ble controllers	Datasheet	560In Stock	S/29.08 S/22.42 S/20.75 S/18.92 View S/17.52 S/16.97 S/16.85 Quote	Min.: 1 Mult.: 1	ARM Cortex M0	2.4 GHz	32 bit	256 kB	32 kB	48 MHz	12 bit	1.71 V	5.5 V		QFN-56	SMD/SMT	Tray
RF Microcontrollers - MCU PSoC4 CY8C4248LQI-BL543 Infineon Technologies Restricted Availability	Mfr. Part # CY8C4248LQI-BL543 Mouser Part # 727-CY8C4248LQIBL543	Infineon Technologies	RF Microcontrollers - MCU PSoC4 Learn More about Infineon Technologies cypress psoc4xx8 ble controllers	Datasheet			Restricted Availability	ARM Cortex M0	2.4 GHz	32 bit	256 kB	32 kB	48 MHz	12 bit	1.8 V	5.5 V	+ 85 C	QFN-56	SMD/SMT	Tray
RF Microcontrollers - MCU SAMR21 32pin 256K 125C ATSAMR21E18A-MF Microchip Technology 1: S/27.13 135In Stock	Mfr. Part # ATSAMR21E18A-MF Mouser Part # 556-ATSAMR21E18A-MF	Microchip Technology	RF Microcontrollers - MCU SAMR21 32pin 256K 125C Learn More about Microchip Technology microchip 32bit sam mcus	Datasheet	135In Stock	S/27.13 S/25.46	Min.: 1 Mult.: 1	ARM Cortex M0+	2.4 GHz	32 bit	256 kB	32 kB	48 MHz	8 bit	1.8 V	3.6 V	+ 125 C	VQFN-32	SMD/SMT	Tray
RF Microcontrollers - MCU Sub-GHz Wireless Gecko SoC MCU 256KB EZR32LG230F256R60G-C0 Silicon Labs 1: S/48.81 147In Stock NRND	Mfr. Part # EZR32LG230F256R60G-C0 Mouser Part # 634-32LG230F256R60C0 NRND	Silicon Labs	RF Microcontrollers - MCU Sub-GHz Wireless Gecko SoC MCU 256KB Learn More about Silicon Labs ezr32	Datasheet	147In Stock	S/48.81 S/38.22 S/35.58 S/32.66 View S/32.35 S/30.44 S/29.78 Quote	Min.: 1 Mult.: 1	ARM Cortex M3	142 MHz to 1.05 GHz	32 bit	256 kB	32 kB	48 MHz	12 bit	1.98 V	3.8 V	+ 85 C	QFN-64	SMD/SMT	Tray
RF Microcontrollers - MCU SAMR21 48pin 256K T&R ATSAMR21G18A-MUT Microchip Technology 1: S/29.39 2,879In Stock	Mfr. Part # ATSAMR21G18A-MUT Mouser Part # 556-ATSAMR21G18A-MUT	Microchip Technology	RF Microcontrollers - MCU SAMR21 48pin 256K T&R Learn More about Microchip Technology microchip r21 microcontrollers	Datasheet	2,879In Stock	Cut Tape S/29.39 Reel S/24.64 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	ARM Cortex M0+		32 bit	256 kB	32 kB	48 MHz	12 bit	3.3 V	3.3 V	+ 85 C	QFN-48	SMD/SMT	Reel, Cut Tape, MouseReel
RF Microcontrollers - MCU SimpleLink 32-bit Ar m Cortex-M0+ Blueto CC2340R21N0RGER Texas Instruments 1: S/9.15 2,990In Stock	Mfr. Part # CC2340R21N0RGER Mouser Part # 595-CC2340R21N0RGER	Texas Instruments	RF Microcontrollers - MCU SimpleLink 32-bit Ar m Cortex-M0+ Blueto Learn More about Texas Instruments ti cc2340r2 wireless mcu	Datasheet	2,990In Stock	Cut Tape S/9.15 S/7.24 S/6.73 S/6.11 Reel S/5.41 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	ARM Cortex M0+	2.4 GHz	32 bit	256 kB	28 kB	48 MHz	12 bit	1.71 V	3.8 V	+ 150 C	VQFN-24	SMD/SMT	Reel, Cut Tape, MouseReel
RF Microcontrollers - MCU PSoC4 CY8C4248LQI-BL583 Infineon Technologies 1: S/32.66 5,200In Stock	Mfr. Part # CY8C4248LQI-BL583 Mouser Part # 727-CY8C4248LQIBL583	Infineon Technologies	RF Microcontrollers - MCU PSoC4 Learn More about Infineon Technologies cypress psoc4xx8 ble controllers	Datasheet	5,200In Stock	S/32.66 S/25.18 S/23.08 S/21.25 View S/19.70 S/19.66 S/19.07 S/17.59 Quote	Min.: 1 Mult.: 1	ARM Cortex M0	2.4 GHz	32 bit	256 kB	32 kB	48 MHz	12 bit	1.8 V	5.5 V		QFN-56	SMD/SMT	Tray
RF Microcontrollers - MCU 2.4GHZ 802.15.4 256K SOC 48pin T&R ATMEGA2564RFR2-ZUR Microchip Technology 1: S/32.77 1,040In Stock 4,000Expected 10/6/2026	Mfr. Part # ATMEGA2564RFR2-ZUR Mouser Part # 556-ATMEGA2564RFR2Z	Microchip Technology	RF Microcontrollers - MCU 2.4GHZ 802.15.4 256K SOC 48pin T&R Learn More about Microchip Technology microchip wireless connectivity	Datasheet	1,040In Stock 4,000Expected 10/6/2026	Cut Tape S/32.77 Reel S/27.48	Min.: 1 Mult.: 1 : 4,000	AVR	2.4 GHz	8 bit	256 kB	32 kB	16 MHz	10 bit	1.8 V	3.6 V	+ 125 C	QFN-48	SMD/SMT	Reel, Cut Tape
RF Microcontrollers - MCU 2.4GHZ 802.15.4 256K SOC 48pin ATMEGA2564RFR2-ZU Microchip Technology 1: S/29.31 416In Stock	Mfr. Part # ATMEGA2564RFR2-ZU Mouser Part # 556-ATMEGA2564RFR2ZU	Microchip Technology	RF Microcontrollers - MCU 2.4GHZ 802.15.4 256K SOC 48pin Learn More about Microchip Technology microchip wireless connectivity	Datasheet	416In Stock	S/29.31 S/27.48	Min.: 1 Mult.: 1	AVR	2.4 GHz	8 bit	256 kB	32 kB	16 MHz	10 bit	1.8 V	3.6 V	+ 85 C	QFN-48	SMD/SMT	Tray
RF Microcontrollers - MCU SAMR21 48pin 256K ATSAMR21G18A-MU Microchip Technology 1: S/25.96 58In Stock	Mfr. Part # ATSAMR21G18A-MU Mouser Part # 556-ATSAMR21G18A-MU	Microchip Technology	RF Microcontrollers - MCU SAMR21 48pin 256K Learn More about Microchip Technology microchip r21 microcontrollers	Datasheet	58In Stock	S/25.96 S/24.21	Min.: 1 Mult.: 1	ARM Cortex M0+		32 bit	256 kB	32 kB	48 MHz	12 bit	3.3 V	3.3 V	+ 85 C	QFN-48	SMD/SMT	Tray
RF Microcontrollers - MCU ZigBee and IEEE802.15.4 wireless microcontroller with 256 kB Flash, 32 kB RAM JN5168/001,515 NXP Semiconductors 1: S/21.29 207In Stock	Mfr. Part # JN5168/001,515 Mouser Part # 771-JN5168/001	NXP Semiconductors	RF Microcontrollers - MCU ZigBee and IEEE802.15.4 wireless microcontroller with 256 kB Flash, 32 kB RAM Learn More about NXP Semiconductors nxp jn516x	Datasheet	207In Stock	Cut Tape S/21.29 S/17.63 S/16.58 S/15.34 Reel S/13.97 View S/14.64 S/14.21 S/13.62 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,000	RISC	2.4 GHz to 2.5 GHz	32 bit	256 kB	32 kB	32 MHz	10 bit	2 V	3.6 V	+ 125 C	HVQFN-40	SMD/SMT	Reel, Cut Tape, MouseReel
RF Microcontrollers - MCU Multiprotocol LPWAN dual-core module 32-bit Arm Cortex-M4/M0+ LoRa STM32WL5MOCH6STR STMicroelectronics 1: S/66.52 11,100On Order	Mfr. Part # STM32WL5MOCH6STR Mouser Part # 511-STM32WL5MOCH6STR	STMicroelectronics	RF Microcontrollers - MCU Multiprotocol LPWAN dual-core module 32-bit Arm Cortex-M4/M0+ LoRa Learn More about STMicroelectronics stm stm32wl5moc dual core mcu	Datasheet	11,100On Order On Order Ship Dates Mfr. #: STM32WL5MOCH6STR Stock: 0 On Order: 300 Expected 4/9/2027 5,400 Expected 10/1/2027 5,400 Expected 10/8/2027 Factory Lead-Time: 52 Weeks	Cut Tape S/66.52 S/57.38 S/54.42 S/50.37 View Reel S/43.28 S/47.92 S/46.20 S/43.28 S/43.28 MouseReel Available	Min.: 1 Mult.: 1 : 1,800	ARM Cortex M0+, ARM Cortex M4	928 MHz	32 bit	256 kB	64 kB	48 MHz	12 bit	1.8 V	3.6 V	+ 85 C	LGA-92	SMD/SMT	Reel, Cut Tape, MouseReel
RF Microcontrollers - MCU Multiprotocol LPWAN dual-core module 32-bit Arm Cortex-M4/M0+ LoRa STM32WL5MOCH6TR STMicroelectronics 1: S/60.26 10,595On Order	Mfr. Part # STM32WL5MOCH6TR Mouser Part # 511-STM32WL5MOCH6TR	STMicroelectronics	RF Microcontrollers - MCU Multiprotocol LPWAN dual-core module 32-bit Arm Cortex-M4/M0+ LoRa Learn More about STMicroelectronics stm stm32wl5moc dual core mcu	Datasheet	10,595On Order	Cut Tape S/60.26 S/52.08 S/49.08 S/45.39 View Reel S/39.00 S/43.21 S/41.65 S/39.00 S/39.00 MouseReel Available	Min.: 1 Mult.: 1 : 1,800	ARM Cortex M0+, ARM Cortex M4	928 MHz	32 bit	256 kB	64 kB	48 MHz	12 bit	1.8 V	3.6 V	+ 85 C	LGA-92	SMD/SMT	Reel, Cut Tape, MouseReel

256 kB RF Microcontrollers - MCU

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