8051 C8051F12x Microcontroller IC 8-Bit 100MHz 128KB (128K x 8) FLASH 64-TQFP (10x10)
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C8051F121-GQ

DigiKey Part Number
336-1225-ND
Manufacturer
Manufacturer Product Number
C8051F121-GQ
Description
IC MCU 8BIT 128KB FLASH 64TQFP
Customer Reference
Detailed Description
8051 C8051F12x Microcontroller IC 8-Bit 100MHz 128KB (128K x 8) FLASH 64-TQFP (10x10)
Datasheet
 Datasheet
Product Attributes
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Category
Program Memory Size
Mfr
Program Memory Type
FLASH
Series
RAM Size
8.25K x 8
Packaging
Tray
Voltage - Supply (Vcc/Vdd)
3V ~ 3.6V
Part Status
Last Time Buy
Data Converters
A/D 8x8b, 8x12b; D/A 2x12b
DigiKey Programmable
Verified
Oscillator Type
Internal
Core Processor
8051
Operating Temperature
-40°C ~ 85°C (TA)
Core Size
Mounting Type
Surface Mount
Speed
100MHz
Supplier Device Package
64-TQFP (10x10)
Connectivity
EBI/EMI, SMBus (2-Wire/I2C), SPI, UART/USART
Package / Case
64-TQFP
Peripherals
Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
Base Product Number
Number of I/O
32
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (1)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
EFM8BB31F64G-D-QFN32Silicon Labs1 449336-EFM8BB31F64G-D-QFN32-ND42,70000 KčMFR Recommended
In-Stock: 688
Check for Additional Incoming Stock
Last Time Buy Date: 10.09.2026
All prices are in CZK
Tray
QuantityUnit PriceExt Price
11 010,84000 Kč1 010,84 Kč
10835,67800 Kč8 356,78 Kč
25785,41760 Kč19 635,44 Kč
160712,69575 Kč114 031,32 Kč
Manufacturers Standard Package
Note: Due to DigiKey value-add services the packaging type may change when product is purchased at quantities beneath the standard package.
Unit Price without VAT:1 010,84000 Kč
Unit Price with VAT:1 223,11640 Kč