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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 (GBP) Filter the results in the table by unit price based on your quantity.	Qty.	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	Packaging
16-bit Microcontrollers - MCU 16-BIT GENERAL MCU_RL78/F23_128KB LFQFP 80 Renesas Electronics R7F123FMG3AFB-C#AA0 R7F123FMG3AFB-C#AA0 Renesas Electronics 1: £4.70 109Expected 27/11/2026	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 27/11/2026	£4.70 £3.24 £3.01 £2.09 View £2.08 £2.07 £2.06 £2.01	Min.: 1 Mult.: 1	SMD/SMT	LQFP-80	RL78	16 bit	40 MHz	128 kB	12 kB	12 bit	68 I/O	2.7 V	5.5 V	+ 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: £6.07 109On Order	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	109On Order	£6.07 £4.24 £4.05 £3.01 View £3.00 £2.92 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-80	RL78	16 bit	40 MHz	256 kB	24 kB	12 bit	68 I/O	2.7 V	5.5 V	+ 125 C	Tray
8-bit Microcontrollers - MCU LPC/CAN/C51 BootUA IND AT89C51CC02UA-RATUM Microchip Technology 250: £5.12 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	£5.12	Min.: 250 Mult.: 250	SMD/SMT	VQFP-32	8051	8 bit	40 MHz	16 kB	512 B		20 I/O	3 V	5.5 V	+ 85 C	Tray
8-bit Microcontrollers - MCU C51RD2 ROMless TQFP44 Ind 5V GREEN AT80C51RD2T-RLRUM Microchip Technology 2,000: £2.60 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 £2.60	Min.: 2,000 Mult.: 2,000 : 2,000	SMD/SMT	TQFP-44	80C52	8 bit	40 MHz	0 B	1 kB	No ADC	32 I/O	2.7 V	5.5 V	+ 85 C	Reel
8-bit Microcontrollers - MCU .75KB 25 RAM 12 I/O 4MHz IndTemp SOIC18 PIC16C54CT-04I/SO Microchip Technology 1,100: £1.69 Non-Stocked Lead-Time 11 Weeks	Mfr. Part No. PIC16C54CT-04I/SO Mouser Part No 579-16C54CT-04I/SO	Microchip Technology	8-bit Microcontrollers - MCU .75KB 25 RAM 12 I/O 4MHz IndTemp SOIC18	Datasheet	Non-Stocked Lead-Time 11 Weeks	Reel £1.69	Min.: 1,100 Mult.: 1,100 : 1,100	SMD/SMT	SOIC-18	PIC16	8 bit	40 MHz	512 B	25 B	No ADC	12 I/O	4.5 V	5.5 V	+ 85 C	Reel
8-bit Microcontrollers - MCU 1.5KB 25 RAM 12 I/O 4MHz Ind Temp SOIC18 PIC16C56AT-04I/SO Microchip Technology 1,100: £2.05 Non-Stocked Lead-Time 9 Weeks	Mfr. Part No. PIC16C56AT-04I/SO Mouser Part No 579-16C56AT-04I/SO	Microchip Technology	8-bit Microcontrollers - MCU 1.5KB 25 RAM 12 I/O 4MHz Ind Temp SOIC18	Datasheet	Non-Stocked Lead-Time 9 Weeks	Reel £2.05	Min.: 1,100 Mult.: 1,100 : 1,100	SMD/SMT	SOIC-18	PIC16	8 bit	40 MHz	1 kB	25 B	No ADC	12 I/O	4.5 V	5.5 V	+ 85 C	Reel
8-bit Microcontrollers - MCU 3KB 72 RAM 20 I/O PIC16C57CT-04I/SO Microchip Technology 1,600: £2.54 Non-Stocked Lead-Time 10 Weeks	Mfr. Part No. PIC16C57CT-04I/SO Mouser Part No 579-16C57CT-04I/SO	Microchip Technology	8-bit Microcontrollers - MCU 3KB 72 RAM 20 I/O	Datasheet	Non-Stocked Lead-Time 10 Weeks	Reel £2.54	Min.: 1,600 Mult.: 1,600 : 1,600	SMD/SMT	SOIC-28	PIC16	8 bit	40 MHz	2 kB	72 B	No ADC	20 I/O	4.5 V	5.5 V	+ 85 C	Reel
8-bit Microcontrollers - MCU .875KB 96 RAM 13 I/O 20MHz IndTemp SOIC18 PIC16C620A-20I/SO Microchip Technology 336: £1.62 Non-Stocked Lead-Time 10 Weeks	Mfr. Part No. PIC16C620A-20I/SO Mouser Part No 579-16C620A-20I/SO	Microchip Technology	8-bit Microcontrollers - MCU .875KB 96 RAM 13 I/O 20MHz IndTemp SOIC18	Datasheet	Non-Stocked Lead-Time 10 Weeks	£1.62	Min.: 336 Mult.: 42	SMD/SMT	SOIC-18	PIC16	8 bit	40 MHz	512 B	96 B	No ADC	13 I/O	3 V	5.5 V	+ 85 C	Tube
8-bit Microcontrollers - MCU .875KB 96 RAM 13 I/O 4 MHz SOIC18 PIC16C620AT-04/SO Microchip Technology 1,100: £1.68 Non-Stocked Lead-Time 9 Weeks	Mfr. Part No. PIC16C620AT-04/SO Mouser Part No 579-16C620AT-04/SO	Microchip Technology	8-bit Microcontrollers - MCU .875KB 96 RAM 13 I/O 4 MHz SOIC18	Datasheet	Non-Stocked Lead-Time 9 Weeks	Reel £1.68	Min.: 1,100 Mult.: 1,100 : 1,100	SMD/SMT	SOIC-18	PIC16	8 bit	40 MHz	512 B	96 B	No ADC	13 I/O	3 V	5.5 V	+ 70 C	Reel
8-bit Microcontrollers - MCU .875KB 96 RAM 13 I/O 4 MHz SSOP20 PIC16C620AT-04/SS Microchip Technology 1,600: £1.78 Non-Stocked Lead-Time 9 Weeks	Mfr. Part No. PIC16C620AT-04/SS Mouser Part No 579-16C620AT-04/SS	Microchip Technology	8-bit Microcontrollers - MCU .875KB 96 RAM 13 I/O 4 MHz SSOP20	Datasheet	Non-Stocked Lead-Time 9 Weeks	Reel £1.78	Min.: 1,600 Mult.: 1,600 : 1,600	SMD/SMT	SSOP-20	PIC16	8 bit	40 MHz	512 B	96 B	No ADC	13 I/O	3 V	5.5 V	+ 70 C	Reel
8-bit Microcontrollers - MCU .875KB 96 RAM 13 I/O 4 MHz IndTemp SOIC18 PIC16C620AT-04I/SO Microchip Technology 1,100: £1.68 Non-Stocked Lead-Time 10 Weeks	Mfr. Part No. PIC16C620AT-04I/SO Mouser Part No 579-16C620AT-04I/SO	Microchip Technology	8-bit Microcontrollers - MCU .875KB 96 RAM 13 I/O 4 MHz IndTemp SOIC18	Datasheet	Non-Stocked Lead-Time 10 Weeks	Reel £1.68	Min.: 1,100 Mult.: 1,100 : 1,100	SMD/SMT	SOIC-18	PIC16	8 bit	40 MHz	512 B	96 B	No ADC	13 I/O	3 V	5.5 V	+ 85 C	Reel
8-bit Microcontrollers - MCU .875KB 96 RAM 13 I/O 4 MHz IndTemp SSOP20 PIC16C620AT-04I/SS Microchip Technology 1,600: £1.78 Non-Stocked Lead-Time 10 Weeks	Mfr. Part No. PIC16C620AT-04I/SS Mouser Part No 579-16C620AT-04I/SS	Microchip Technology	8-bit Microcontrollers - MCU .875KB 96 RAM 13 I/O 4 MHz IndTemp SSOP20	Datasheet	Non-Stocked Lead-Time 10 Weeks	Reel £1.78	Min.: 1,600 Mult.: 1,600 : 1,600	SMD/SMT	SSOP-20	PIC16	8 bit	40 MHz	512 B	96 B	No ADC	13 I/O	3 V	5.5 V	+ 85 C	Reel
8-bit Microcontrollers - MCU 1.75KB 96 RAM 13 I/O PIC16C621AT-04E/SO Microchip Technology 1,100: £2.12 Non-Stocked Lead-Time 9 Weeks	Mfr. Part No. PIC16C621AT-04E/SO Mouser Part No 579-16C621AT-04E/SO	Microchip Technology	8-bit Microcontrollers - MCU 1.75KB 96 RAM 13 I/O	Datasheet	Non-Stocked Lead-Time 9 Weeks	Reel £2.12	Min.: 1,100 Mult.: 1,100 : 1,100	SMD/SMT	SOIC-18	PIC16	8 bit	40 MHz	1 kB	96 B	No ADC	13 I/O	2.5 V	5.5 V	+ 125 C	Reel
8-bit Microcontrollers - MCU 1.75KB 96 RAM 13 I/O PIC16C621AT-20/SO Microchip Technology 1,100: £2.01 Non-Stocked Lead-Time 9 Weeks	Mfr. Part No. PIC16C621AT-20/SO Mouser Part No 579-16C621AT-20/SO	Microchip Technology	8-bit Microcontrollers - MCU 1.75KB 96 RAM 13 I/O	Datasheet	Non-Stocked Lead-Time 9 Weeks	Reel £2.01	Min.: 1,100 Mult.: 1,100 : 1,100	SMD/SMT	SOIC-18	PIC16	8 bit	40 MHz	1 kB	96 B	No ADC	13 I/O	2.5 V	5.5 V	+ 70 C	Reel
8-bit Microcontrollers - MCU 1.75KB 96 RAM 13 I/O PIC16C621AT-20I/SO Microchip Technology 1,100: £2.17 Non-Stocked Lead-Time 10 Weeks	Mfr. Part No. PIC16C621AT-20I/SO Mouser Part No 579-16C621AT-20I/SO	Microchip Technology	8-bit Microcontrollers - MCU 1.75KB 96 RAM 13 I/O	Datasheet	Non-Stocked Lead-Time 10 Weeks	Reel £2.17	Min.: 1,100 Mult.: 1,100 : 1,100	SMD/SMT	SOIC-18	PIC16	8 bit	40 MHz	1 kB	96 B	No ADC	13 I/O	2.5 V	5.5 V	+ 85 C	Reel
8-bit Microcontrollers - MCU 1.75KB 96 RAM 13 I/O PIC16C621AT-20I/SS Microchip Technology 1,600: £2.31 Non-Stocked Lead-Time 9 Weeks	Mfr. Part No. PIC16C621AT-20I/SS Mouser Part No 579-16C621AT-20I/SS	Microchip Technology	8-bit Microcontrollers - MCU 1.75KB 96 RAM 13 I/O	Datasheet	Non-Stocked Lead-Time 9 Weeks	Reel £2.31	Min.: 1,600 Mult.: 1,600 : 1,600	SMD/SMT	SSOP-20	PIC16	8 bit	40 MHz	1 kB	96 B	No ADC	13 I/O	2.5 V	5.5 V	+ 85 C	Reel
8-bit Microcontrollers - MCU 3.5KB 128 RAM 13 I/O PIC16C622A-04E/SS Microchip Technology 268: £2.37 Non-Stocked Lead-Time 9 Weeks	Mfr. Part No. PIC16C622A-04E/SS Mouser Part No 579-16C622A-04E/SS	Microchip Technology	8-bit Microcontrollers - MCU 3.5KB 128 RAM 13 I/O	Datasheet	Non-Stocked Lead-Time 9 Weeks	£2.37	Min.: 268 Mult.: 67	SMD/SMT	SSOP-20	PIC16	8 bit	40 MHz	2 kB	128 B	No ADC	13 I/O	3 V	6 V	+ 125 C	Tube
8-bit Microcontrollers - MCU 3.5KB 128 RAM 13 I/O PIC16C622A-04I/SS Microchip Technology 268: £2.26 Non-Stocked Lead-Time 9 Weeks	Mfr. Part No. PIC16C622A-04I/SS Mouser Part No 579-16C622A-04I/SS	Microchip Technology	8-bit Microcontrollers - MCU 3.5KB 128 RAM 13 I/O	Datasheet	Non-Stocked Lead-Time 9 Weeks	£2.26	Min.: 268 Mult.: 67	SMD/SMT	SSOP-20	PIC16	8 bit	40 MHz	2 kB	128 B	No ADC	13 I/O	3 V	6 V	+ 85 C	Tube
8-bit Microcontrollers - MCU 3.5KB 128 RAM 13 I/O PIC16C622A-20I/SO Microchip Technology 252: £2.24 Non-Stocked Lead-Time 9 Weeks	Mfr. Part No. PIC16C622A-20I/SO Mouser Part No 579-16C622A-20I/SO	Microchip Technology	8-bit Microcontrollers - MCU 3.5KB 128 RAM 13 I/O	Datasheet	Non-Stocked Lead-Time 9 Weeks	£2.24	Min.: 252 Mult.: 42	SMD/SMT	SOIC-18	PIC16	8 bit	40 MHz	2 kB	128 B	No ADC	13 I/O	3 V	6 V	+ 85 C	Tube
8-bit Microcontrollers - MCU 3.5KB 128 RAM 13 I/O PIC16C622AT-04/SO Microchip Technology 1,100: £2.05 Non-Stocked Lead-Time 9 Weeks	Mfr. Part No. PIC16C622AT-04/SO Mouser Part No 579-16C622AT-04/SO	Microchip Technology	8-bit Microcontrollers - MCU 3.5KB 128 RAM 13 I/O	Datasheet	Non-Stocked Lead-Time 9 Weeks	Reel £2.05	Min.: 1,100 Mult.: 1,100 : 1,100	SMD/SMT	SOIC-18	PIC16	8 bit	40 MHz	2 kB	128 B	No ADC	13 I/O	3 V	6 V	+ 70 C	Reel
8-bit Microcontrollers - MCU 3.5KB 128 RAM 13 I/O PIC16C622AT-04E/SO Microchip Technology 1,100: £2.36 Non-Stocked Lead-Time 9 Weeks	Mfr. Part No. PIC16C622AT-04E/SO Mouser Part No 579-16C622AT-04E/SO	Microchip Technology	8-bit Microcontrollers - MCU 3.5KB 128 RAM 13 I/O	Datasheet	Non-Stocked Lead-Time 9 Weeks	Reel £2.36	Min.: 1,100 Mult.: 1,100 : 1,100	SMD/SMT	SOIC-18	PIC16	8 bit	40 MHz	2 kB	128 B	No ADC	13 I/O	3 V	6 V	+ 125 C	Reel
8-bit Microcontrollers - MCU 3.5KB 128 RAM 13 I/O PIC16C622AT-04I/SS Microchip Technology 1,600: £2.44 Non-Stocked Lead-Time 9 Weeks	Mfr. Part No. PIC16C622AT-04I/SS Mouser Part No 579-16C622AT-04I/SS	Microchip Technology	8-bit Microcontrollers - MCU 3.5KB 128 RAM 13 I/O	Datasheet	Non-Stocked Lead-Time 9 Weeks	Reel £2.44	Min.: 1,600 Mult.: 1,600 : 1,600	SMD/SMT	SSOP-20	PIC16	8 bit	40 MHz	2 kB	128 B	No ADC	13 I/O	3 V	6 V	+ 85 C	Reel
8-bit Microcontrollers - MCU 3.5KB 128 RAM 13 I/O PIC16C622AT-20I/SS Microchip Technology 1,600: £2.58 Non-Stocked Lead-Time 9 Weeks	Mfr. Part No. PIC16C622AT-20I/SS Mouser Part No 579-16C622AT-20I/SS	Microchip Technology	8-bit Microcontrollers - MCU 3.5KB 128 RAM 13 I/O	Datasheet	Non-Stocked Lead-Time 9 Weeks	Reel £2.58	Min.: 1,600 Mult.: 1,600 : 1,600	SMD/SMT	SSOP-20	PIC16	8 bit	40 MHz	2 kB	128 B	No ADC	13 I/O	3 V	6 V	+ 85 C	Reel
8-bit Microcontrollers - MCU .75KB 25 RAM 12 I/O 4MHz IndTemp SSOP20 PIC16LC54C-04I/SS Microchip Technology 335: £1.76 Non-Stocked Lead-Time 9 Weeks	Mfr. Part No. PIC16LC54C-04I/SS Mouser Part No 579-16LC54C-04I/SS	Microchip Technology	8-bit Microcontrollers - MCU .75KB 25 RAM 12 I/O 4MHz IndTemp SSOP20	Datasheet	Non-Stocked Lead-Time 9 Weeks	£1.76	Min.: 335 Mult.: 67	SMD/SMT	SSOP-20	PIC16	8 bit	40 MHz	512 B	25 B	No ADC	12 I/O	4.5 V	5.5 V	+ 85 C	Tube
8-bit Microcontrollers - MCU 3KB 72 RAM 20 I/O PIC16LC57C-04I/SS Microchip Technology 188: £2.75 Non-Stocked Lead-Time 10 Weeks	Mfr. Part No. PIC16LC57C-04I/SS Mouser Part No 579-16LC57C-04I/SS	Microchip Technology	8-bit Microcontrollers - MCU 3KB 72 RAM 20 I/O	Datasheet	Non-Stocked Lead-Time 10 Weeks	£2.75	Min.: 188 Mult.: 47	SMD/SMT	SSOP-28	PIC16	8 bit	40 MHz	2 kB	72 B	No ADC	20 I/O	4.5 V	5.5 V	+ 85 C	Tube