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8 bit 50 MHz Semiconductors

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Data Bus Width = 8 bit Maximum Clock Frequency = 50 MHz

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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.
8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V CY8C3245LTI-163 Infineon Technologies 1: S/ 37.95 533In Stock	Mfr. Part # CY8C3245LTI-163 Mouser Part # 727-CY8C3245LTI-163	Infineon Technologies	8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V Learn More about Infineon Technologies cypresspsoc3	Datasheet	533In Stock	S/ 37.95 S/ 29.54 S/ 26.16 S/ 25.11 View S/ 23.94 S/ 22.38 Quote	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V CY8C3246AXI-131 Infineon Technologies 1: S/ 57.61 666In Stock	Mfr. Part # CY8C3246AXI-131 Mouser Part # 727-CY8C3246AXI-131	Infineon Technologies	8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V Learn More about Infineon Technologies cypresspsoc3	Datasheet	666In Stock	S/ 57.61 S/ 44.72 S/ 39.28 S/ 37.99 View S/ 36.36 S/ 35.93 Quote	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU EFM8BB21F16I-C-QSOP24 Silicon Labs 1: S/ 7.43 3,126In Stock End of Life	Mfr. Part # EFM8BB21F16I-C-QSOP24 Mouser Part # 634-8BB21F16ICQSOP24 End of Life	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU Learn More about Silicon Labs siliconlabs efm8 busy bee	Datasheet	3,126In Stock	S/ 7.43 S/ 6.31 S/ 5.53 S/ 5.22 View S/ 4.71 S/ 4.01	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V 8-bit MCU C8051F501-IM Silicon Labs 1: S/ 49.51 600In Stock End of Life	Mfr. Part # C8051F501-IM Mouser Part # 634-C8051F501-IM End of Life	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V 8-bit MCU	Datasheet	600In Stock	S/ 49.51 S/ 39.78 S/ 36.43 S/ 33.71 View S/ 33.44 S/ 31.14 S/ 31.10 Quote	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 5 V CAN LIN 8-bit MCU C8051F582-IM Silicon Labs 1: S/ 62.24 1,803In Stock End of Life	Mfr. Part # C8051F582-IM Mouser Part # 634-C8051F582-IM End of Life	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 5 V CAN LIN 8-bit MCU	Datasheet	1,803In Stock	S/ 62.24 S/ 51.65 S/ 45.00 S/ 43.71 View S/ 41.57 S/ 38.89 S/ 37.45	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB 8-bit MCU C8051F390-A-GM Silicon Labs 1: S/ 17.01 1,274In Stock NRND	Mfr. Part # C8051F390-A-GM Mouser Part # 634-C8051F390-A-GM NRND	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 16 kB 8-bit MCU Learn More about Silicon Labs siliconlabs c8051f37x	Datasheet	1,274In Stock	S/ 17.01 S/ 12.85 S/ 11.79 S/ 10.63 View S/ 10.08 S/ 10.04 S/ 9.42 S/ 9.19	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB LFO 8-bit MCU C8051F392-A-GM Silicon Labs 1: S/ 16.89 395In Stock 1,911Expected 11/2/2026 NRND	Mfr. Part # C8051F392-A-GM Mouser Part # 634-C8051F392-A-GM NRND	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 16 kB LFO 8-bit MCU Learn More about Silicon Labs siliconlabs c8051f37x	Datasheet	395In Stock 1,911Expected 11/2/2026	S/ 16.89 S/ 12.73 S/ 11.68 S/ 10.55 View S/ 10.00 S/ 9.93 S/ 9.34 S/ 9.11	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V CAN LIN 8-bit MCU C8051F502-IM Silicon Labs 1: S/ 45.58 548In Stock NRND	Mfr. Part # C8051F502-IM Mouser Part # 634-C8051F502-IM NRND	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V CAN LIN 8-bit MCU	Datasheet	548In Stock	S/ 45.58 S/ 36.55 S/ 32.93 S/ 30.83 View S/ 29.97 S/ 28.80 S/ 28.45 Quote	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V CAN LIN 8-bit MCU C8051F550-IM Silicon Labs 1: S/ 36.01 1,919In Stock NRND	Mfr. Part # C8051F550-IM Mouser Part # 634-C8051F550-IM NRND	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V CAN LIN 8-bit MCU	Datasheet	1,919In Stock	S/ 36.01 S/ 27.91 S/ 25.89 S/ 23.63 View S/ 22.58 S/ 21.91 S/ 21.33 S/ 20.24	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V 8-bit MCU C8051F553-IM Silicon Labs 1: S/ 33.75 Non-Stocked Lead-Time 12 Weeks NRND	Mfr. Part # C8051F553-IM Mouser Part # 634-C8051F553-IM NRND	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V 8-bit MCU	Datasheet	Non-Stocked Lead-Time 12 Weeks	S/ 33.75 S/ 27.99 S/ 23.78 S/ 22.77 View S/ 21.49 S/ 18.29 S/ 17.83	Min.: 1 Mult.: 1
NAND Flash SLC 8Gbit 8 48/48 TSOP 1 IT MT29F8G08ABACAWP-IT:C Micron 1: S/ 191.90 117In Stock	Mfr. Part # MT29F8G08ABACAWP-IT:C Mouser Part # 340-122942-TRAY	Micron	NAND Flash SLC 8Gbit 8 48/48 TSOP 1 IT	Datasheet	117In Stock	S/ 191.90	Min.: 1 Mult.: 1
NOR Flash 2.7V to 3.6V 16Mbit SPI Serial Flash SST25VF016B-50-4C-QAF-T Microchip Technology 1: S/ 8.99 3,997In Stock	Mfr. Part # SST25VF016B-50-4C-QAF-T Mouser Part # 579-25VF016B5CQAFT	Microchip Technology	NOR Flash 2.7V to 3.6V 16Mbit SPI Serial Flash	Datasheet	3,997In Stock	Cut Tape S/ 8.99 S/ 8.60 Reel S/ 8.21 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
NOR Flash 2.7V to 3.6V 4Mbit SPI Serial Flash SST25VF040B-50-4I-SAE-T Microchip Technology 1: S/ 5.06 3,378In Stock	Mfr. Part # SST25VF040B-50-4I-SAE-T Mouser Part # 579-25VF040B504ISAET	Microchip Technology	NOR Flash 2.7V to 3.6V 4Mbit SPI Serial Flash	Datasheet	3,378In Stock	Cut Tape S/ 5.06 S/ 4.83 S/ 4.71 S/ 4.67 Reel S/ 4.59 MouseReel Available	Min.: 1 Mult.: 1 : 3,300
NOR Flash 2.7V to 3.6V 4Mbit SPI Serial Flash SST25VF040B-50-4I-SAF-T Microchip Technology 1: S/ 4.87 5,957In Stock	Mfr. Part # SST25VF040B-50-4I-SAF-T Mouser Part # 579-25VF040B504ISAFT	Microchip Technology	NOR Flash 2.7V to 3.6V 4Mbit SPI Serial Flash	Datasheet	5,957In Stock	Cut Tape S/ 4.87 S/ 4.71 Reel S/ 4.59 MouseReel Available	Min.: 1 Mult.: 1 : 3,300
NOR Flash 2.7V to 3.6V 4Mbit SPI Serial Flash SST25VF040B-50-4C-S2AF-T Microchip Technology 1: S/ 5.06 1,622In Stock	Mfr. Part # SST25VF040B-50-4C-S2AF-T Mouser Part # 579-5VF040B504CS2AFT	Microchip Technology	NOR Flash 2.7V to 3.6V 4Mbit SPI Serial Flash	Datasheet	1,622In Stock	Cut Tape S/ 5.06 S/ 4.83 Reel S/ 4.67 MouseReel Available	Min.: 1 Mult.: 1 : 2,100
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU EFM8BB21F16I-C-QFN20 Silicon Labs 1: S/ 6.81 3,254In Stock	Mfr. Part # EFM8BB21F16I-C-QFN20 Mouser Part # 634-8BB21F16I-CQFN20	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU Learn More about Silicon Labs siliconlabs efm8 busy bee	Datasheet	3,254In Stock	S/ 6.81 S/ 5.76 S/ 5.06 S/ 4.71 View S/ 4.59 S/ 3.97 S/ 3.36 S/ 3.14	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU EFM8BB21F16A-C-QFN20R Silicon Labs 1: S/ 12.96 1,498In Stock	Mfr. Part # EFM8BB21F16A-C-QFN20R Mouser Part # 634-BB21F16ACQFN20R	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU Learn More about Silicon Labs siliconlabs efm8 busy bee	Datasheet	1,498In Stock	Cut Tape S/ 12.96 S/ 9.65 S/ 8.84 S/ 7.90 Reel S/ 6.73 View S/ 7.47 S/ 7.32 S/ 6.93 S/ 6.62	Min.: 1 Mult.: 1 : 2,500
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 8-bit MCU C8051F411-GMR Silicon Labs 1: S/ 54.73 337In Stock 1,500Expected 10/21/2026	Mfr. Part # C8051F411-GMR Mouser Part # 634-C8051F411-GMR	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 8-bit MCU	Datasheet	337In Stock 1,500Expected 10/21/2026	Cut Tape S/ 54.73 S/ 44.65 S/ 40.91 S/ 38.42 View Reel S/ 34.10 S/ 38.19 S/ 36.78 S/ 34.57 S/ 34.10 Quote MouseReel Available	Min.: 1 Mult.: 1 : 2,500
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU EFM8BB31F16G-D-QFN32R Silicon Labs 1: S/ 7.24 1,582In Stock	Mfr. Part # EFM8BB31F16G-D-QFN32R Mouser Part # 634-EF8BB31F16GDN32R	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU Learn More about Silicon Labs siliconlabs efm8 busy bee	Datasheet	1,582In Stock	Cut Tape S/ 7.24 S/ 5.99 S/ 5.18 S/ 4.87 Reel S/ 3.68 View S/ 4.28 S/ 4.01 S/ 3.58 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU EFM8BB31F64G-D-QFN24R Silicon Labs 1: S/ 14.29 2,120In Stock	Mfr. Part # EFM8BB31F64G-D-QFN24R Mouser Part # 634-EF8BB31F64GDF24R	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU Learn More about Silicon Labs siliconlabs efm8 busy bee	Datasheet	2,120In Stock	Cut Tape S/ 14.29 S/ 9.65 S/ 8.95 S/ 7.79 Reel S/ 6.03 View S/ 7.28 S/ 6.38 S/ 6.03 S/ 5.14 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU EFM8BB31F64G-D-QFN32R Silicon Labs 1: S/ 10.39 1,148In Stock	Mfr. Part # EFM8BB31F64G-D-QFN32R Mouser Part # 634-EF8BB31F64GDN32R	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU Learn More about Silicon Labs siliconlabs efm8 busy bee	Datasheet	1,148In Stock	Cut Tape S/ 10.39 S/ 7.71 S/ 7.05 S/ 6.31 Reel S/ 5.41 View S/ 5.96 S/ 5.76 S/ 5.53 S/ 5.25	Min.: 1 Mult.: 1 : 2,500
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU EFM8BB31F64G-D-QFN24 Silicon Labs 1: S/ 9.85 5,987In Stock	Mfr. Part # EFM8BB31F64G-D-QFN24 Mouser Part # 634-EF8BB31F64GDQF24	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU Learn More about Silicon Labs siliconlabs efm8 busy bee	Datasheet	5,987In Stock	S/ 9.85 S/ 8.29 S/ 7.24 S/ 6.77 View S/ 6.07 S/ 5.64 S/ 5.22 S/ 5.02	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU EFM8BB31F64G-D-QFN32 Silicon Labs 1: S/ 10.86 3,323In Stock 4,900Expected 10/27/2026	Mfr. Part # EFM8BB31F64G-D-QFN32 Mouser Part # 634-EF8BB31F64GDQN32	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU Learn More about Silicon Labs siliconlabs efm8 busy bee	Datasheet	3,323In Stock 4,900Expected 10/27/2026	S/ 10.86 S/ 8.56 S/ 7.67 S/ 7.05 View S/ 6.62 S/ 5.96	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU EFM8BB31F64I-D-4QFN24R Silicon Labs 1: S/ 11.09 995In Stock 1,500Expected 11/30/2026	Mfr. Part # EFM8BB31F64I-D-4QFN24R Mouser Part # 634-EF8BB31F64ID424R	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU Learn More about Silicon Labs siliconlabs efm8 busy bee	Datasheet	995In Stock 1,500Expected 11/30/2026	Cut Tape S/ 11.09 S/ 8.25 S/ 7.55 S/ 6.77 Reel S/ 6.11 View S/ 6.42 S/ 6.27 S/ 6.07 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU EFM8BB31F64I-D-QFN32R Silicon Labs 1: S/ 11.91 2,500In Stock	Mfr. Part # EFM8BB31F64I-D-QFN32R Mouser Part # 634-EF8BB31F64IDN32R	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU Learn More about Silicon Labs siliconlabs efm8 busy bee	Datasheet	2,500In Stock	Cut Tape S/ 11.91 S/ 8.87 S/ 8.10 S/ 7.28 Reel S/ 6.19 View S/ 6.85 S/ 6.70 S/ 6.38 S/ 6.07	Min.: 1 Mult.: 1 : 2,500

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