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40 MHz Microcontrollers - MCU

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Maximum Clock Frequency = 40 MHz

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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.	Mounting Style	Package/Case	Core	Program Memory Size	Data Bus Width	ADC Resolution	Maximum Clock Frequency	Number of I/Os	Data RAM Size	Supply Voltage - Min	Supply Voltage - Max	Minimum Operating Temperature	Maximum Operating Temperature	Qualification	Packaging
8-bit Microcontrollers - MCU 8 BIT 32K FLASH 4K RAM MC9S08GB32ACFUE NXP Semiconductors 1: $15.22 763Expected 06/11/2026	Mfr. Part No. MC9S08GB32ACFUE Mouser Part No 841-MC9S08GB32ACFUE	NXP Semiconductors	8-bit Microcontrollers - MCU 8 BIT 32K FLASH 4K RAM	Datasheet	763Expected 06/11/2026	$15.22 $12.02 $10.74 $10.35 View $9.98 $9.31 $9.12 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-64	S08	32 kB	8 bit	10 bit	40 MHz	56 I/O	2 kB	1.8 V	3.6 V	- 40 C	+ 85 C	AEC-Q100	Tray
8-bit Microcontrollers - MCU S08LL 8-bit MCU, S08 core, 64KB Flash, 40MHz, QFP 80 MC9S08LL64CLK NXP Semiconductors 1: $14.24 1,350Expected 09/11/2026	Mfr. Part No. MC9S08LL64CLK Mouser Part No 841-MC9S08LL64CLK	NXP Semiconductors	8-bit Microcontrollers - MCU S08LL 8-bit MCU, S08 core, 64KB Flash, 40MHz, QFP 80	Datasheet	1,350Expected 09/11/2026	$14.24 $11.17 $10.17 $9.46 View $9.23 $9.22 $9.05 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-80	S08	64 kB	8 bit	12 bit	40 MHz	39 I/O	4 kB	1.8 V	3.6 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU Kinetis E series 16K flash 40Mhz MKE02Z16VLD4 NXP Semiconductors 1: $3.80 800Expected 04/11/2026	Mfr. Part No. MKE02Z16VLD4 Mouser Part No 841-MKE02Z16VLD4	NXP Semiconductors	ARM Microcontrollers - MCU Kinetis E series 16K flash 40Mhz Learn More about NXP Semiconductors nxp smart appliance	Datasheet	800Expected 04/11/2026	$3.80 $2.86 $2.49 $2.31 $2.15	Min.: 1 Mult.: 1	SMD/SMT	LQFP-44	ARM Cortex M0+	16 kB	32 bit	12 bit	40 MHz	37 I/O	2 kB	2.7 V	5.5 V	- 40 C	+ 105 C		Tray
ARM Microcontrollers - MCU Kinetis E series 64K flash 40Mhz MKE02Z64VLC4 NXP Semiconductors 1: $3.99 1,250Expected 28/12/2026	Mfr. Part No. MKE02Z64VLC4 Mouser Part No 841-MKE02Z64VLC4	NXP Semiconductors	ARM Microcontrollers - MCU Kinetis E series 64K flash 40Mhz Learn More about NXP Semiconductors nxp kinetis ke02 mcus	Datasheet	1,250Expected 28/12/2026	$3.99 $3.02 $2.62 $2.50 View $2.37 $2.33	Min.: 1 Mult.: 1	SMD/SMT	LQFP-32	ARM Cortex M0+	64 kB	32 bit	12 bit	40 MHz	28 I/O	4 kB	2.7 V	5.5 V	- 40 C	+ 105 C		Tray
ARM Microcontrollers - MCU KINETIS E SERIES 16K FLASH 4K RAM 40MHz 32LQFP S9KEAZN16AMLC NXP Semiconductors 1: $3.29 1,250Expected 04/01/2027	Mfr. Part No. S9KEAZN16AMLC Mouser Part No 841-S9KEAZN16AMLC	NXP Semiconductors	ARM Microcontrollers - MCU KINETIS E SERIES 16K FLASH 4K RAM 40MHz 32LQFP Learn More about NXP Semiconductors freescale kinetis ea	Datasheet	1,250Expected 04/01/2027	$3.29 $2.46 $2.13 $2.03 $1.75	Min.: 1 Mult.: 1	SMD/SMT	LQFP-32	ARM Cortex M0+	16 kB	32 bit	12 bit	40 MHz	28 I/O	4 kB	2.7 V	5.5 V	- 40 C	+ 125 C	AEC-Q100	Tray
ARM Microcontrollers - MCU KINETIS E SERIES 32K FLASH 4K RAM 40MHz 64LQFP S9KEAZN32AMLH NXP Semiconductors 1: $4.33 790Expected 05/11/2026	Mfr. Part No. S9KEAZN32AMLH Mouser Part No 841-S9KEAZN32AMLH	NXP Semiconductors	ARM Microcontrollers - MCU KINETIS E SERIES 32K FLASH 4K RAM 40MHz 64LQFP Learn More about NXP Semiconductors freescale kinetis ea	Datasheet	790Expected 05/11/2026	$4.33 $3.01 $2.69 $2.39 View $2.32 $1.99	Min.: 1 Mult.: 1	SMD/SMT	LQFP-64	ARM Cortex M0+	32 kB	32 bit	12 bit	40 MHz	57 I/O	4 kB	2.7 V	5.5 V	- 40 C	+ 125 C	AEC-Q100	Tray
16-bit Microcontrollers - MCU 16-BIT GENERAL MCU_RL78/F24-CAN_256KB HWQFN 32 R7F124FBJ3ANP-C#HA0 Renesas Electronics 1: $7.17 2,500On Order	Mfr. Part No. R7F124FBJ3ANP-C#HA0 Mouser Part No 968-R7F124FBJ3ANPCHA	Renesas Electronics	16-bit Microcontrollers - MCU 16-BIT GENERAL MCU_RL78/F24-CAN_256KB HWQFN 32	Datasheet	2,500On Order	Cut Tape $7.17 $5.27 $4.91 $4.32 View Reel $3.29 $4.10 $3.68 $3.38 $3.29 Quote	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	WQFN-32	RL78	256 kB	16 bit	12 bit	40 MHz	25 I/O	24 kB	2.7 V	5.5 V	- 40 C	+ 105 C		Reel, Cut Tape
32-bit Microcontrollers - MCU 512KB Flash 64KB RAM I2S, CTMU, UART, ADC PIC32MX170F512L-I/PT Microchip Technology 1: $7.40 81Expected 05/11/2026	Mfr. Part No. PIC32MX170F512L-I/PT Mouser Part No 579-32MX170F512LI/PT	Microchip Technology	32-bit Microcontrollers - MCU 512KB Flash 64KB RAM I2S, CTMU, UART, ADC Learn More about Microchip Technology microchip pic32mx mcu	Datasheet	81Expected 05/11/2026	$7.40 $6.79 $6.15	Min.: 1 Mult.: 1	SMD/SMT	TFBGA-100	MIPS32 M4K	512 kB	32 bit	10 bit	40 MHz	85 I/O	64 kB	2.3 V	3.6 V	- 40 C	+ 85 C		Tray
16-bit Microcontrollers - MCU 16 Bit MCU 40MIPS 128KB FLASH PIC24HJ128GP510A-I/PF Microchip Technology 1: $8.68 175Expected 22/01/2027	Mfr. Part No. PIC24HJ128GP510A-I/PF Mouser Part No 579-HJ128GP510A-I/PF	Microchip Technology	16-bit Microcontrollers - MCU 16 Bit MCU 40MIPS 128KB FLASH Learn More about Microchip Technology microchip 16bit mcu dsc	Datasheet	175Expected 22/01/2027	$8.68 $7.96 $7.22	Min.: 1 Mult.: 1	SMD/SMT	TQFP-100	PIC24H	128 kB	16 bit	10 bit, 12 bit	40 MHz	85 I/O	8 kB	3 V	3.6 V	- 40 C	+ 85 C	AEC-Q100	Tray
8-bit Microcontrollers - MCU .75KB 25 RAM 12 I/O 4MHz IndTemp SOIC18 PIC16C54C-04I/SO Microchip Technology 1: $1.99 378Expected 07/12/2026	Mfr. Part No. PIC16C54C-04I/SO Mouser Part No 579-PIC16C54C-04I/SO	Microchip Technology	8-bit Microcontrollers - MCU .75KB 25 RAM 12 I/O 4MHz IndTemp SOIC18	Datasheet	378Expected 07/12/2026	$1.99	Min.: 1 Mult.: 1	SMD/SMT	SOIC-18	PIC16	512 B	8 bit	No ADC	40 MHz	12 I/O	25 B	4.5 V	5.5 V	- 40 C	+ 85 C		Tube
8-bit Microcontrollers - MCU .75KB 25 RAM 12 I/O 20MHz SSOP20 PIC16C54C-20/SS Microchip Technology 1: $2.35 335Expected 07/12/2026	Mfr. Part No. PIC16C54C-20/SS Mouser Part No 579-PIC16C54C-20/SS	Microchip Technology	8-bit Microcontrollers - MCU .75KB 25 RAM 12 I/O 20MHz SSOP20	Datasheet	335Expected 07/12/2026	$2.35	Min.: 1 Mult.: 1	SMD/SMT	SSOP-20	PIC16	512 B	8 bit	No ADC	40 MHz	12 I/O	25 B	4.5 V	5.5 V	0 C	+ 70 C		Tube
8-bit Microcontrollers - MCU 3KB 72 RAM 20 I/O PIC16C57-HS/SO Microchip Technology 1: $7.38 96Expected 05/11/2026	Mfr. Part No. PIC16C57-HS/SO Mouser Part No 579-PIC16C57-HS/SO	Microchip Technology	8-bit Microcontrollers - MCU 3KB 72 RAM 20 I/O	Datasheet	96Expected 05/11/2026	$7.38 $7.09 $6.81	Min.: 1 Mult.: 1	SMD/SMT	SOIC-28	PIC16	2 kB	8 bit	No ADC	40 MHz	20 I/O	72 B	4.5 V	5.5 V	0 C	+ 70 C		Tube
8-bit Microcontrollers - MCU 32KB FL 1536bytes- RAM 25I/O PIC18F2523-I/SP Microchip Technology 1: $7.17 97Expected 16/11/2026	Mfr. Part No. PIC18F2523-I/SP Mouser Part No 579-PIC18F2523-I/SP	Microchip Technology	8-bit Microcontrollers - MCU 32KB FL 1536bytes- RAM 25I/O Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	97Expected 16/11/2026	$7.17 $7.08	Min.: 1 Mult.: 1	Through Hole	SPDIP-28	PIC18	32 kB	8 bit	12 bit	40 MHz	25 I/O	1.5 kB	2 V	5.5 V	- 40 C	+ 85 C		Tube
8-bit Microcontrollers - MCU 32KB 1536 RAM 23 I/O PIC18F258-I/SP Microchip Technology 1: $8.98 74Expected 23/11/2026	Mfr. Part No. PIC18F258-I/SP Mouser Part No 579-PIC18F258-I/SP	Microchip Technology	8-bit Microcontrollers - MCU 32KB 1536 RAM 23 I/O	Datasheet	74Expected 23/11/2026	$8.98	Min.: 1 Mult.: 1	Through Hole	SPDIP-28	PIC18	32 kB	8 bit	10 bit	40 MHz	22 I/O	1.5 kB	4.2 V	5.5 V	- 40 C	+ 85 C		Tube
8-bit Microcontrollers - MCU 32 KB FL 1536 RAM 36 I/O PIC18F4580-E/P Microchip Technology 1: $9.89 69Expected 16/11/2026	Mfr. Part No. PIC18F4580-E/P Mouser Part No 579-PIC18F4580-E/P	Microchip Technology	8-bit Microcontrollers - MCU 32 KB FL 1536 RAM 36 I/O	Datasheet	69Expected 16/11/2026	$9.89	Min.: 1 Mult.: 1	Through Hole	PDIP-40	PIC18	32 kB	8 bit	10 bit	40 MHz	36 I/O	1.5 kB	2 V	5.5 V	- 40 C	+ 125 C		Tube
8-bit Microcontrollers - MCU S08AC 8-bit MCU, S08 core, 128KB Flash, 40MHz, QFP 64 MC9S08AC128CFUE NXP Semiconductors 1: $20.05 393Expected 02/11/2026 End of Life	Mfr. Part No. MC9S08AC128CFUE Mouser Part No 841-MC9S08AC128CFUE End of Life	NXP Semiconductors	8-bit Microcontrollers - MCU S08AC 8-bit MCU, S08 core, 128KB Flash, 40MHz, QFP 64 Learn More about NXP Semiconductors Freescale_MC9S08AC12897_MCU	Datasheet	393Expected 02/11/2026	$20.05 $16.20 $15.53 $13.69 $12.80	Min.: 1 Mult.: 1	SMD/SMT	QFP-64	S08	128 kB	8 bit	10 bit	40 MHz	54 I/O	8 kB	2.7 V	5.5 V	- 40 C	+ 85 C		Tray
16-bit Microcontrollers - MCU 16 Bit MCU 40MIPS 64KB FLASH PIC24HJ64GP210A-I/PT Microchip Technology 1: $7.23 119Expected 10/11/2026	Mfr. Part No. PIC24HJ64GP210A-I/PT Mouser Part No 579-HJ64GP210A-I/PT	Microchip Technology	16-bit Microcontrollers - MCU 16 Bit MCU 40MIPS 64KB FLASH Learn More about Microchip Technology microchip 16bit mcu dsc	Datasheet	119Expected 10/11/2026	$7.23 $6.60 $6.00	Min.: 1 Mult.: 1	SMD/SMT	TQFP-100	PIC24H	64 kB	16 bit	10 bit, 12 bit	40 MHz	85 I/O	8 kB	3 V	3.6 V	- 40 C	+ 85 C	AEC-Q100	Tray
8-bit Microcontrollers - MCU .75KB 25 RAM 12 I/O RC PDIP18 PIC16C54-RC/P Microchip Technology 1: $3.90 75Expected 19/02/2027	Mfr. Part No. PIC16C54-RC/P Mouser Part No 579-PIC16C54RCP	Microchip Technology	8-bit Microcontrollers - MCU .75KB 25 RAM 12 I/O RC PDIP18	Datasheet	75Expected 19/02/2027	$3.90 $3.76 $3.58	Min.: 1 Mult.: 1	Through Hole	PDIP-18	PIC16	512 B	8 bit	No ADC	40 MHz	12 I/O	25 B	3 V	6.25 V	0 C	+ 70 C		Tube
ARM Microcontrollers - MCU KINETIS E SERIES 32K FLASH 4K RAM S9KEAZN32AVLH NXP Semiconductors 1: $4.83 25On Order	Mfr. Part No. S9KEAZN32AVLH Mouser Part No 771-S9KEAZN32AVLH	NXP Semiconductors	ARM Microcontrollers - MCU KINETIS E SERIES 32K FLASH 4K RAM Learn More about NXP Semiconductors freescale kinetis ea	Datasheet	25On Order	$4.83 $3.19 $2.91 $2.47 View $2.35 $1.94	Min.: 1 Mult.: 1	SMD/SMT	LQFP-64	ARM Cortex M0+	32 kB	32 bit	12 bit	40 MHz		4 kB	2.7 V	5.5 V	- 40 C	+ 105 C	AEC-Q100	Tray
ARM Microcontrollers - MCU KINETIS E SERIES 32K FLASH 4K RAM 40MHz 64LQFP S9KEAZN32ACLH NXP Semiconductors 1: $3.44 25Expected 04/02/2027	Mfr. Part No. S9KEAZN32ACLH Mouser Part No 841-S9KEAZN32ACLH	NXP Semiconductors	ARM Microcontrollers - MCU KINETIS E SERIES 32K FLASH 4K RAM 40MHz 64LQFP Learn More about NXP Semiconductors freescale kinetis ea	Datasheet	25Expected 04/02/2027	$3.44 $2.58 $2.23 $2.13 $1.84	Min.: 1 Mult.: 1	SMD/SMT	LQFP-64	ARM Cortex M0+	32 kB	32 bit	12 bit	40 MHz	57 I/O	4 kB	2.7 V	5.5 V	- 40 C	+ 85 C	AEC-Q100	Tray
16-bit Microcontrollers - MCU 16-BIT GENERAL MCU_RL78/F23_128KB LFQFP 80 Renesas Electronics R7F123FMG3AFB-C#AA0 R7F123FMG3AFB-C#AA0 Renesas Electronics 1: $6.26 109Expected 16/11/2026	Mfr. Part No. R7F123FMG3AFB-C#AA0 Mouser Part No 968-123FMG3AFB-C#AA0	Renesas Electronics	16-bit Microcontrollers - MCU 16-BIT GENERAL MCU_RL78/F23_128KB LFQFP 80	Datasheet	109Expected 16/11/2026	$6.26 $4.31 $4.01 $2.78 View $2.77 $2.76 $2.74 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-80	RL78	128 kB	16 bit	12 bit	40 MHz	68 I/O	12 kB	2.7 V	5.5 V	- 40 C	+ 105 C		Tray
16-bit Microcontrollers - MCU 16-BIT GENERAL MCU_RL78/F24-CAN_256KB LFQFP 80 Renesas Electronics R7F124FMJ4AFB-C#AA0 R7F124FMJ4AFB-C#AA0 Renesas Electronics 1: $8.08 109Expected 05/11/2026	Mfr. Part No. R7F124FMJ4AFB-C#AA0 Mouser Part No 968-124FMJ4AFB-C#AA0	Renesas Electronics	16-bit Microcontrollers - MCU 16-BIT GENERAL MCU_RL78/F24-CAN_256KB LFQFP 80	Datasheet	109Expected 05/11/2026	$8.08 $5.65 $5.39 $4.01 View $4.00 $3.89 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-80	RL78	256 kB	16 bit	12 bit	40 MHz	68 I/O	24 kB	2.7 V	5.5 V	- 40 C	+ 125 C		Tray
16-bit Microcontrollers - MCU 16-bit MCU, S12X core, 256KB Flash, 40MHz, -40/+85degC, QFP 64 MC9S12XS256CAE NXP Semiconductors 1: $23.30 500In Stock	Mfr. Part No. MC9S12XS256CAE Mouser Part No 841-MC9S12XS256CAE	NXP Semiconductors	16-bit Microcontrollers - MCU 16-bit MCU, S12X core, 256KB Flash, 40MHz, -40/+85degC, QFP 64	Datasheet	500In Stock	$23.30 $18.23 $17.41 $15.82 View $15.28 $14.93 $14.33 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-64	HCS12	256 kB	16 bit	12 bit	40 MHz	91 I/O	12 kB	1.72 V	1.98 V	- 40 C	+ 85 C	AEC-Q100	Tray
8-bit Microcontrollers - MCU LPC/CAN/C51 BootUA IND AT89C51CC02UA-RATUM Microchip Technology 250: $6.81 Non-Stocked Lead-Time 10 Weeks	Mfr. Part No. AT89C51CC02UA-RATUM Mouser Part No 556-A89C51C02UARATUM	Microchip Technology	8-bit Microcontrollers - MCU LPC/CAN/C51 BootUA IND Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	Non-Stocked Lead-Time 10 Weeks	$6.81	Min.: 250 Mult.: 250	SMD/SMT	VQFP-32	8051	16 kB	8 bit		40 MHz	20 I/O	512 B	3 V	5.5 V	- 40 C	+ 85 C		Tray
8-bit Microcontrollers - MCU C51RD2 ROMless TQFP44 Ind 5V GREEN AT80C51RD2T-RLRUM Microchip Technology 2,000: $3.46 Non-Stocked Lead-Time 9 Weeks	Mfr. Part No. AT80C51RD2T-RLRUM Mouser Part No 556-AT80C51RD2TLRUM	Microchip Technology	8-bit Microcontrollers - MCU C51RD2 ROMless TQFP44 Ind 5V GREEN	Datasheet	Non-Stocked Lead-Time 9 Weeks	Reel $3.46	Min.: 2,000 Mult.: 2,000 : 2,000	SMD/SMT	TQFP-44	80C52	0 B	8 bit	No ADC	40 MHz	32 I/O	1 kB	2.7 V	5.5 V	- 40 C	+ 85 C		Reel