8051 C8051F12x Microcontroller IC 8-Bit 100MHz 128KB (128K x 8) FLASH 64-TQFP (10x10)
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C8051F123-GQ

DigiKey Part Number
336-1227-ND
Manufacturer
Manufacturer Product Number
C8051F123-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, 8x10b; D/A 2x12b
DigiKey Programmable
Verified
Oscillator Type
Internal
Core Processor
8051
Operating Temperature
-40°C ~ 85°C (TA)
Core Size
8-Bit
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 (2)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
EFM8BB31F64G-D-QFN32Silicon Labs1.851336-EFM8BB31F64G-D-QFN32-ND€2.22000MFR Recommended
ATSAM4S2AB-ANMicrochip Technology300ATSAM4S2AB-AN-ND€3.43000Similar
In-Stock: 725
Check for Additional Incoming Stock
Last Time Buy Date: 10/09/2026
All prices are in EUR
Tray
QuantityUnit PriceExt Price
1€38.21000€38.21
10€31.54400€315.44
25€29.62320€740.58
160€26.83675€4,293.88
320€26.10547€8,353.75
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:€38.21000
Unit Price with VAT:€45.85200