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Microcontrollers

Use the filters and product table below to compare Microcontrollers components by manufacturer, availability, pricing reference and technical specifications. Review datasheets and key parameters to narrow the selection for your application.

If you already have a target part number, package, rating or quantity, send the requirement to Winsun (HK) Electronics for availability checks, BOM sourcing, shortage support and quotation assistance.

Parametric Selection Filter options by technical parameters
Stock & Datasheets Review availability and technical references
RFQ & BOM Support Send your target MPN, quantity or BOM
Photo Mfr. Part # Availability Price Quantity Datasheet Package/Case Series Packaging Product Status Programmable Core Processor Core Size Speed Connectivity Peripherals Number of I/O Program Memory Size Program Memory Type EEPROM Size RAM Size Voltage - Supply (Vcc/Vdd) Data Converters Oscillator Type Operating Temperature Grade Qualification Mounting Type Supplier Device Package
ATUC128D3-A2UES Atmel

ATUC128D3-A2UES

RISC MICROCONTROLLER, 32 BIT, F

Atmel

444 -
Datasheet 64-LQFP D Bulk Active Not Verified AVR 32-Bit Single-Core 48MHz I2C, SPI, UART/USART, USB Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT 51 128KB (128K x 8) FLASH - 16K x 8 1.65V ~ 1.95V A/D 8x10b Internal -40°C ~ 85°C (TA) - - Surface Mount
AT251G2DMAC-SLRTM Atmel

AT251G2DMAC-SLRTM

MCS251 MICROCONTROLLER,16 BIT, S

Atmel

2,339 -
Datasheet - * Bulk Active Not Verified - - - - - - - - - - - - - - - - -
AT32UC3L064-AUR Atmel

AT32UC3L064-AUR

IC MCU 32BIT 64KB FLASH 48TQFP

Atmel

10,635 -
Datasheet 48-TQFP AVR®32 UC3 L Bulk Active Not Verified AVR 32-Bit Single-Core 50MHz I2C, SPI, UART/USART Brown-out Detect/Reset, DMA, POR, PWM, WDT 36 64KB (64K x 8) FLASH - 16K x 8 1.62V ~ 3.6V A/D 8x12b Internal -40°C ~ 85°C (TA) - - Surface Mount
AT87C51RC2-SLSUM Atmel

AT87C51RC2-SLSUM

IC MCU 8BIT 32KB OTP 44PLCC

Atmel

3,888 -
Datasheet 44-LCC (J-Lead) 87C Tube Obsolete Not Verified 80C51 8-Bit 40/20MHz UART/USART POR, PWM, WDT 32 32KB (32K x 8) OTP - 512 x 8 4.5V ~ 5.5V - Internal -40°C ~ 85°C (TA) - - Surface Mount
AT87C58X2-3CSUM Atmel

AT87C58X2-3CSUM

IC MCU 8BIT 32KB OTP 40PDIL

Atmel

3,637 -
Datasheet 40-DIP (0.600", 15.24mm) 87C Tube Obsolete Not Verified 80C51 8-Bit 40/20MHz UART/USART POR, WDT 32 32KB (32K x 8) OTP - 256 x 8 4.5V ~ 5.5V - Internal -40°C ~ 85°C (TA) - - Through Hole
AT87C51RC2-3CSUM Atmel

AT87C51RC2-3CSUM

IC MCU 8BIT 32KB OTP 40PDIL

Atmel

1,278 -
Datasheet 40-DIP (0.600", 15.24mm) 87C Tube Obsolete Not Verified 80C51 8-Bit 40/20MHz UART/USART POR, PWM, WDT 32 32KB (32K x 8) OTP - 512 x 8 4.5V ~ 5.5V - Internal -40°C ~ 85°C (TA) - - Through Hole
ATMEGA169V-8AU Atmel

ATMEGA169V-8AU

IC MCU 8BIT 16KB FLASH 64TQFP

Atmel

10,382 -
Datasheet 64-TQFP AVR® ATmega Tray Obsolete Not Verified AVR 8-Bit 8MHz SPI, UART/USART, USI Brown-out Detect/Reset, LCD, POR, PWM, WDT 54 16KB (8K x 16) FLASH 512 x 8 1K x 8 1.8V ~ 5.5V A/D 8x10b Internal -40°C ~ 85°C (TA) - - Surface Mount
ATMEGA169-16AU Atmel

ATMEGA169-16AU

IC MCU 8BIT 16KB FLASH 64TQFP

Atmel

1,663 -
Datasheet 64-TQFP AVR® ATmega Tray Obsolete Not Verified AVR 8-Bit 16MHz SPI, UART/USART, USI Brown-out Detect/Reset, LCD, POR, PWM, WDT 54 16KB (8K x 16) FLASH 512 x 8 1K x 8 2.7V ~ 5.5V A/D 8x10b Internal -40°C ~ 85°C (TA) - - Surface Mount
ATSAM4LS4BA-UUR Atmel

ATSAM4LS4BA-UUR

IC MCU 32BIT 256KB FLASH 64WLCSP

Atmel

5,215 -
Datasheet 64-XFBGA, WLCSP SAM4L Bulk Active Not Verified ARM® Cortex®-M4 32-Bit Single-Core 48MHz I2C, IrDA, LINbus, SPI, UART/USART, USB Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT 48 256KB (256K x 8) FLASH - 32K x 8 1.68V ~ 3.6V A/D 7x12b; D/A 1x10b Internal -40°C ~ 85°C (TA) - - Surface Mount
AT87C58X2-SLSUL Atmel

AT87C58X2-SLSUL

IC MCU 8BIT 32KB OTP 44PLCC

Atmel

366 -
Datasheet 44-LCC (J-Lead) 87C Tube Obsolete Not Verified 80C51 8-Bit 30/20MHz UART/USART POR, WDT 32 32KB (32K x 8) OTP - 256 x 8 2.7V ~ 5.5V - Internal -40°C ~ 85°C (TA) - - Surface Mount
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WINSUN SOURCING SUPPORT

Need Help Sourcing Microcontrollers?

Send the target part number, manufacturer, specifications and quantity. Winsun (HK) Electronics can assist with availability checks, quotation support, shortage sourcing and alternative-part options when appropriate.

Availability and lead-time support BOM, shortage and alternative sourcing
FREQUENTLY ASKED QUESTIONS

Microcontrollers FAQ

Common questions about filtering, comparing and sourcing Microcontrollers components.

How can I narrow the Microcontrollers selection?

Use the available manufacturer and technical parameter filters to reduce the product list. Compare the remaining part numbers against your electrical, package and application requirements.

Should I confirm the datasheet before selecting a part?

Yes. Always review the manufacturer datasheet to confirm ratings, package, operating conditions and other technical details before finalizing a component for your design.

Can Winsun (HK) Electronics help source a specific Microcontrollers part number?

Yes. Send the exact manufacturer part number and required quantity for availability, lead-time and quotation support.

Do you support BOM, shortage or alternative-part requirements?

Yes. You can submit a BOM or shortage list for sourcing assistance. Where appropriate, our team can also help review possible alternative-part options.