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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 (JPY) Filter the results in the table by unit price based on your quantity.	Qty.
8-bit Microcontrollers - MCU eZ80AcclaimPlus! Connectivity ASSP Rev AC EZ80F91AZA50EK ZiLOG 1: ¥3,765.5 17In Stock 1,980On Order End of Life	Mfr. Part # EZ80F91AZA50EK Mouser Part # 692-EZ80F91AZA50EK End of Life	ZiLOG	8-bit Microcontrollers - MCU eZ80AcclaimPlus! Connectivity ASSP Rev AC	Datasheet	17In Stock 1,980On Order On Order Ship Dates Mfr. #: EZ80F91AZA50EK Stock: 17 Can Ship Immediately On Order: 1,020 Expected 12/31/2026 960 TBD Factory Lead-Time: 32 Weeks	¥3,765.5 ¥3,004.7 ¥2,674.2 ¥2,584.5	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU EFM8BB21F16G-C-QFN20R Silicon Labs 1: ¥265.8 93,467Expected 1/8/2027	Mfr. Part # EFM8BB21F16G-C-QFN20R Mouser Part # 634-8BB21F16GCQFN20R	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	93,467Expected 1/8/2027	Cut Tape ¥265.8 ¥194.3 ¥176.1 ¥156.6 View Reel ¥130.9 ¥147.2 ¥141.4 ¥139.7 ¥130.9 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 2 kB RAM 8-bit Universal Bee MCU EFM8UB10F16G-C-QFN20R Silicon Labs 1: ¥438.5 49,037On Order	Mfr. Part # EFM8UB10F16G-C-QFN20R Mouser Part # 634-8UB10F16GCQFN20R	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 2 kB RAM 8-bit Universal Bee MCU	Datasheet	49,037On Order On Order Ship Dates Mfr. #: EFM8UB10F16G-C-QFN20R Stock: 0 On Order: 40,037 Expected 1/8/2027 9,000 Expected 1/12/2027 Factory Lead-Time: 31 Weeks	Cut Tape ¥438.5 ¥367.1 ¥322.2 ¥305.6 View Reel ¥250.8 ¥299 ¥267.4 ¥250.8 ¥250.8 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
8-bit Microcontrollers - MCU eZ80AcclaimPlus! Connectivity ASSP Rev AB ZiLOG EZ80F91AZ050EK EZ80F91AZ050EK ZiLOG 1: ¥3,767.1 11In Stock 780Expected 11/4/2026 End of Life	Mfr. Part # EZ80F91AZ050EK Mouser Part # 692-EZ80F91AZ050EK End of Life	ZiLOG	8-bit Microcontrollers - MCU eZ80AcclaimPlus! Connectivity ASSP Rev AB	Datasheet	11In Stock 780Expected 11/4/2026	¥3,767.1 ¥3,016.4 ¥2,798.8 ¥2,582.9	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU 50MIPS,128KB,12ADC,100Pin MCU C8051F124-GQ Silicon Labs 1: ¥8,069.1 1,102Expected 12/4/2026 End of Life	Mfr. Part # C8051F124-GQ Mouser Part # 634-C8051F124-GQ End of Life	Silicon Labs	8-bit Microcontrollers - MCU 50MIPS,128KB,12ADC,100Pin MCU	Datasheet	1,102Expected 12/4/2026	¥8,069.1 ¥6,667.3 ¥6,247 ¥6,036.1 Quote Quote	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU 8051 50 MHz 8 kB 8-bit MCU C8051F353-GM Silicon Labs 1: ¥2,019.8 1,533Expected 11/17/2026 NRND	Mfr. Part # C8051F353-GM Mouser Part # 634-C8051F353-GM NRND	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 8 kB 8-bit MCU	Datasheet	1,533Expected 11/17/2026	¥2,019.8 ¥1,581.3 ¥1,471.6 ¥1,352.1 View ¥1,338.8 ¥1,259 ¥1,230.8 Quote	Min.: 1 Mult.: 1
NOR Flash 2.7V to 3.6V 4Mbit SPI Serial Flash SST25VF040B-50-4I-SAE Microchip Technology 1: ¥199.3 9,217On Order	Mfr. Part # SST25VF040B-50-4I-SAE Mouser Part # 579-25VF040B504I-SAE	Microchip Technology	NOR Flash 2.7V to 3.6V 4Mbit SPI Serial Flash	Datasheet	9,217On Order On Order Ship Dates Mfr. #: SST25VF040B-50-4I-SAE Stock: 0 On Order: 4,917 Expected 1/25/2027 4,300 Expected 5/3/2027 Factory Lead-Time: 23 Weeks	¥199.3 ¥192.7 ¥184.4	Min.: 1 Mult.: 1
NOR Flash 2.7V to 3.6V 4Mbit SPI Serial Flash SST25VF040B-50-4I-QAE-T Microchip Technology 1: ¥267.4 1,989Expected 11/12/2026	Mfr. Part # SST25VF040B-50-4I-QAE-T Mouser Part # 579-25VF040B504IQAET	Microchip Technology	NOR Flash 2.7V to 3.6V 4Mbit SPI Serial Flash	Datasheet	1,989Expected 11/12/2026	Cut Tape ¥267.4 ¥257.5 Reel ¥249.2	Min.: 1 Mult.: 1 : 2,000
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU EFM8BB22F16I-C-QFN28 Silicon Labs 1: ¥373.7 1In Stock	Mfr. Part # EFM8BB22F16I-C-QFN28 Mouser Part # 634-8BB22F16ICQFN28	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	1In Stock	¥373.7 ¥275.7 ¥250.8 ¥224.2 View ¥210.9 ¥204.3 ¥197.7 ¥192.7 ¥187.7	Min.: 1 Mult.: 1
NOR Flash 8M (1Mx8) 50MHz 2.7-3.6V Commercial SST25VF080B-50-4C-S2AF Microchip Technology 1: ¥249.2 2,250On Order	Mfr. Part # SST25VF080B-50-4C-S2AF Mouser Part # 804-25VF080B5CS2AF	Microchip Technology	NOR Flash 8M (1Mx8) 50MHz 2.7-3.6V Commercial	Datasheet	2,250On Order On Order Ship Dates Mfr. #: SST25VF080B-50-4C-S2AF Stock: 0 On Order: 630 Expected 11/16/2026 1,620 Expected 11/19/2026 Factory Lead-Time: 16 Weeks	¥249.2 ¥242.5 ¥230.9	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V CAN LIN 8-bit MCU C8051F508-IM Silicon Labs 1: ¥2,265.6 370Expected 4/16/2027 End of Life	Mfr. Part # C8051F508-IM Mouser Part # 634-C8051F508-IM End of Life	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V CAN LIN 8-bit MCU Learn More about Silicon Labs silicon c8051f58x automotive industrial mcus	Datasheet	370Expected 4/16/2027	¥2,265.6 ¥1,775.6 ¥1,652.7 ¥1,518.2 View ¥1,503.2 ¥1,453.4	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 2 kB RAM 8-bit Universal Bee MCU EFM8UB10F16G-C-QFN28 Silicon Labs 1: ¥436.8 526Expected 1/8/2027	Mfr. Part # EFM8UB10F16G-C-QFN28 Mouser Part # 634-8UB10F16GCQFN28	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 2 kB RAM 8-bit Universal Bee MCU	Datasheet	526Expected 1/8/2027	¥436.8 ¥323.9 ¥295.7 ¥264.1 View ¥249.2 ¥240.8 ¥230.9	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU 8051 50 MHz 8 kB 8-bit MCU C8051F353-GMR Silicon Labs 2,500: ¥1,166 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # C8051F353-GMR Mouser Part # 634-C8051F353-GMR	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 8 kB 8-bit MCU	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel ¥1,166	Min.: 2,500 Mult.: 2,500 : 2,500
8-bit Microcontrollers - MCU 16kB/1kB RAM, 10b ADC, 10b 2xDAC, QFN20 C8051F392-A-GMR Silicon Labs 2,500: ¥365.4 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # C8051F392-A-GMR Mouser Part # 634-C8051F392-A-GMR	Silicon Labs	8-bit Microcontrollers - MCU 16kB/1kB RAM, 10b ADC, 10b 2xDAC, QFN20	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel ¥365.4	Min.: 2,500 Mult.: 2,500 : 2,500
8-bit Microcontrollers - MCU 8kB/1kB RAM, 10b ADC, 10b 2xDAC, QFN24 C8051F394-A-GMR Silicon Labs 2,500: ¥353.8 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # C8051F394-A-GMR Mouser Part # 634-C8051F394-A-GMR	Silicon Labs	8-bit Microcontrollers - MCU 8kB/1kB RAM, 10b ADC, 10b 2xDAC, QFN24	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel ¥353.8	Min.: 2,500 Mult.: 2,500 : 2,500
8-bit Microcontrollers - MCU 8kB/1kB RAM, 10b ADC, 10b 2xDAC, QFN20 C8051F396-A-GMR Silicon Labs 1: ¥661.1 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # C8051F396-A-GMR Mouser Part # 634-C8051F396-A-GMR	Silicon Labs	8-bit Microcontrollers - MCU 8kB/1kB RAM, 10b ADC, 10b 2xDAC, QFN20	Datasheet	Non-Stocked Lead-Time 12 Weeks	Cut Tape ¥661.1 ¥491.7 ¥450.1 ¥403.6 Reel ¥343.8 View ¥382 ¥372.1 ¥353.8 ¥337.2 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU EFM8BB50F16G-A-QFN12R Silicon Labs 3,000: ¥77.7 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # EFM8BB50F16G-A-QFN12R Mouser Part # 634-M8BB50F16GAFN12R	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU Learn More about Silicon Labs efm8bb50 mcus	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel ¥77.7 ¥75.7	Min.: 3,000 Mult.: 3,000 : 3,000
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU EFM8BB50F16G-A-SOIC16R Silicon Labs 2,500: ¥96.3 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # EFM8BB50F16G-A-SOIC16R Mouser Part # 634-M8BB50F16GSIC16R	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU Learn More about Silicon Labs efm8bb50 mcus	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel ¥96.3 ¥94	Min.: 2,500 Mult.: 2,500 : 2,500
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU EFM8BB50F16I-A-QFN12R Silicon Labs 1: ¥169.4 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # EFM8BB50F16I-A-QFN12R Mouser Part # 634-M8BB50F16IAFN12R	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU Learn More about Silicon Labs efm8bb50 mcus	Datasheet	Non-Stocked Lead-Time 12 Weeks	Cut Tape ¥169.4 ¥122.1 ¥110 ¥96.7 Reel ¥80.1 View ¥90.4 ¥86.5 ¥83.7 ¥78.1 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU EFM8BB50F16I-A-QFN16R Silicon Labs 3,000: ¥84.9 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # EFM8BB50F16I-A-QFN16R Mouser Part # 634-M8BB50F16IAFN16R	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU Learn More about Silicon Labs efm8bb50 mcus	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel ¥84.9 ¥82.9	Min.: 3,000 Mult.: 3,000 : 3,000
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU EFM8BB50F16I-A-SOIC16R Silicon Labs 2,500: ¥98.7 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # EFM8BB50F16I-A-SOIC16R Mouser Part # 634-M8BB50F16IAIC16R	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU Learn More about Silicon Labs efm8bb50 mcus	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel ¥98.7 ¥96.3	Min.: 2,500 Mult.: 2,500 : 2,500
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU EFM8BB50F4G-A-QFN12R Silicon Labs 3,000: ¥61.3 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # EFM8BB50F4G-A-QFN12R Mouser Part # 634-M8BB50F4GAQFN12R	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU Learn More about Silicon Labs efm8bb50 mcus	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel ¥61.3 ¥59.8	Min.: 3,000 Mult.: 3,000 : 3,000
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU EFM8BB50F4G-A-QFN16R Silicon Labs 3,000: ¥63.8 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # EFM8BB50F4G-A-QFN16R Mouser Part # 634-M8BB50F4GAQFN16R	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU Learn More about Silicon Labs efm8bb50 mcus	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel ¥63.8 ¥62.1	Min.: 3,000 Mult.: 3,000 : 3,000
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU EFM8BB50F4G-A-SOIC16R Silicon Labs 2,500: ¥77.7 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # EFM8BB50F4G-A-SOIC16R Mouser Part # 634-M8BB50F4GASIC16R	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU Learn More about Silicon Labs efm8bb50 mcus	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel ¥77.7 ¥75.7	Min.: 2,500 Mult.: 2,500 : 2,500
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU EFM8BB50F4G-A-SOIC16 Silicon Labs 1: ¥164.4 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # EFM8BB50F4G-A-SOIC16 Mouser Part # 634-M8BB50F4GASOIC16	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU Learn More about Silicon Labs efm8bb50 mcus	Datasheet	Non-Stocked Lead-Time 12 Weeks	¥164.4 ¥118.4 ¥106.6 ¥93.7 View ¥87.7 ¥83.9 ¥81.2 ¥77.7 ¥75.7	Min.: 1 Mult.: 1

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