8051 C8051F58x Microcontroller IC 8-Bit 50MHz 128KB (128K x 8) FLASH 48-TQFP (7x7)
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C8051F581-IQR

DigiKey Part Number
336-4821-2-ND - Tape & Reel (TR)
336-4821-1-ND - Cut Tape (CT)
336-4821-6-ND - Digi-Reel®
Manufacturer
Manufacturer Product Number
C8051F581-IQR
Description
IC MCU 8BIT 128KB FLASH 48TQFP
Customer Reference
Detailed Description
8051 C8051F58x Microcontroller IC 8-Bit 50MHz 128KB (128K x 8) FLASH 48-TQFP (7x7)
Datasheet
 Datasheet
EDA/CAD Models
C8051F581-IQR Models
Product Attributes
Type
Description
Select All
Category
Mfr
Series
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Part Status
Last Time Buy
DigiKey Programmable
Not Verified
Core Processor
8051
Core Size
8-Bit
Speed
50MHz
Connectivity
EBI/EMI, SMBus (2-Wire/I2C), SPI, UART/USART
Peripherals
POR, PWM, Temp Sensor, WDT
Number of I/O
40
Program Memory Size
Program Memory Type
FLASH
EEPROM Size
-
RAM Size
8.25K x 8
Voltage - Supply (Vcc/Vdd)
1.8V ~ 5.25V
Data Converters
A/D 32x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C (TA)
Mounting Type
Surface Mount
Supplier Device Package
48-TQFP (7x7)
Package / Case
48-TQFP
Base Product Number
Product Questions and Answers

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In-Stock: 657
Check for Additional Incoming Stock
Last Time Buy Date: 10.09.2026
All prices are in CZK
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1324,84000 Kč324,84 Kč
10264,23900 Kč2 642,39 Kč
25245,32400 Kč6 133,10 Kč
100222,74260 Kč22 274,26 Kč
250220,71248 Kč55 178,12 Kč
* All Digi-Reel orders will add a 167,00 Kč reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
500204,49028 Kč102 245,14 Kč
1 000198,76203 Kč198 762,03 Kč
Manufacturers Standard Package
Unit Price without VAT:324,84000 Kč
Unit Price with VAT:393,05640 Kč