Microcontrollers
Browse available Microcontrollers part numbers with manufacturer references, stock information, pricing, datasheets and key specifications. Use the table below to compare options for your project.
For BOM, shortage or hard-to-find requirements, send your part number and quantity to Winsun (HK) Electronics for availability, lead-time and quotation support.
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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STM32L031K4U6IC MCU 32BIT 16KB FLASH 32UFQFPN |
3,529 | - |
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Datasheet | 32-UFQFN Exposed Pad | STM32L0 | Tray | Active | Not Verified | ARM® Cortex®-M0+ | 32-Bit Single-Core | 32MHz | I2C, IrDA, LINbus, SPI, UART/USART | Brown-out Detect/Reset, DMA, POR, PWM, WDT | 27 | 16KB (16K x 8) | FLASH | 1K x 8 | 8K x 8 | 1.8V ~ 3.6V | A/D 10x12b | Internal | -40°C ~ 85°C (TA) | - | - | Surface Mount | |
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AT89C2051-24SIIC MCU 8BIT 2KB FLASH 20SOIC |
2,974 | - |
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Datasheet | 20-SOIC (0.295", 7.50mm Width) | 89C | Tube | Obsolete | Not Verified | 8051 | 8-Bit | 24MHz | UART/USART | LED | 15 | 2KB (2K x 8) | FLASH | - | 128 x 8 | 4V ~ 6V | - | Internal | -40°C ~ 85°C (TA) | - | - | Surface Mount | |
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AT89C2051-12SCIC MCU 8BIT 2KB FLASH 20SOIC |
3,281 | - |
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Datasheet | 20-SOIC (0.295", 7.50mm Width) | 89C | Tube | Obsolete | Not Verified | 8051 | 8-Bit | 12MHz | UART/USART | LED | 15 | 2KB (2K x 8) | FLASH | - | 128 x 8 | 4V ~ 6V | - | Internal | 0°C ~ 70°C (TA) | - | - | Surface Mount | |
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AT89C2051-12SIIC MCU 8BIT 2KB FLASH 20SOIC |
2,484 | - |
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Datasheet | 20-SOIC (0.295", 7.50mm Width) | 89C | Tube | Obsolete | Not Verified | 8051 | 8-Bit | 12MHz | UART/USART | LED | 15 | 2KB (2K x 8) | FLASH | - | 128 x 8 | 4V ~ 6V | - | Internal | -40°C ~ 85°C (TA) | - | - | Surface Mount | |
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EM6819F2-B006-SO08A+IC MCU 8BIT 5.6KB FLASH 8SOIC |
1,576 | - |
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Datasheet | 8-SOIC (0.154", 3.90mm Width) | - | Tube | Active | - | CR816L | 8-Bit | 15MHz | I2C, SPI, UART/USART | Brown-out Detect/Reset, POR, PWM, Voltage Detect, WDT | 4 | 5.6KB (2K x 22.5) | FLASH | - | 256 x 8 | 0.9V ~ 3.6V | - | External, Internal | -40°C ~ 85°C | - | - | Surface Mount | |
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STM8L101K3T3IC MCU 8BIT 8KB FLASH 32LQFP |
3,429 | - |
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Datasheet | 32-LQFP | STM8L EnergyLite | Tray | Active | Not Verified | STM8 | 8-Bit | 16MHz | I2C, SPI, UART/USART | Infrared, POR, PWM, WDT | 30 | 8KB (8K x 8) | FLASH | 2K x 8 | 1.5K x 8 | 1.65V ~ 3.6V | - | Internal | -40°C ~ 125°C (TA) | - | - | Surface Mount | |
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Z8F0131SJ020EGIC MCU 8BIT 1KB FLASH 28SOIC |
3,418 | - |
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Datasheet | 28-SOIC (0.295", 7.50mm Width) | Encore!® | Tube | Not For New Designs | Verified | eZ8 | 8-Bit | 20MHz | - | Brown-out Detect/Reset, LED, POR, PWM, WDT | 25 | 1KB (1K x 8) | FLASH | - | 256 x 8 | 2.7V ~ 3.6V | - | Internal | -40°C ~ 105°C (TA) | - | - | Surface Mount | |
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R5F100FAGFP#7016BIT MCU RL78/G13 16K 44LQFP -4 |
1,804 | - |
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Datasheet | 44-LQFP | RL78/G13 | Tray | Active | - | RL78 | 16-Bit | 32MHz | CSI, I2C, LINbus, SPI, UART/USART | DMA, LVD, POR, PWM, WDT | 31 | 16KB (16K x 8) | FLASH | 4K x 8 | 2K x 8 | 2.4V ~ 5.5V | A/D 10x8/10b | Internal | -40°C ~ 105°C (TA) | - | - | Surface Mount | |
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CY95F634HNPMC-G-UNERE2IC MM MCU 32LQFP |
1,765 | - |
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Datasheet | - | * | Tape & Reel (TR) | Active | Not Verified | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
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AT89C2051-24PIIC MCU 8BIT 2KB FLASH 20DIP |
2,416 | - |
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Datasheet | 20-DIP (0.300", 7.62mm) | 89C | Tube | Obsolete | Not Verified | 8051 | 8-Bit | 24MHz | UART/USART | LED | 15 | 2KB (2K x 8) | FLASH | - | 128 x 8 | 4V ~ 6V | - | Internal | -40°C ~ 85°C (TA) | - | - | Through Hole | |
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AT89C2051-12PCIC MCU 8BIT 2KB FLASH 20DIP |
1,783 | - |
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Datasheet | 20-DIP (0.300", 7.62mm) | 89C | Tube | Obsolete | Not Verified | 8051 | 8-Bit | 12MHz | UART/USART | LED | 15 | 2KB (2K x 8) | FLASH | - | 128 x 8 | 4V ~ 6V | - | Internal | 0°C ~ 70°C (TA) | - | - | Through Hole | |
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AT89C2051-12PIIC MCU 8BIT 2KB FLASH 20DIP |
4,668 | - |
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Datasheet | 20-DIP (0.300", 7.62mm) | 89C | Tube | Obsolete | Not Verified | 8051 | 8-Bit | 12MHz | UART/USART | LED | 15 | 2KB (2K x 8) | FLASH | - | 128 x 8 | 4V ~ 6V | - | Internal | -40°C ~ 85°C (TA) | - | - | Through Hole | |
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MC9RS08KA8CTGRIC MCU 8BIT 8KB FLASH 16TSSOP |
4,991 | - |
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Datasheet | 16-TSSOP (0.173", 4.40mm Width) | RS08 | Tape & Reel (TR) | Active | Not Verified | RS08 | 8-Bit | 20MHz | I2C | LVD, POR, PWM, WDT | 14 | 8KB (8K x 8) | FLASH | - | 254 x 8 | 1.8V ~ 5.5V | A/D 12x10b | Internal | -40°C ~ 85°C (TA) | - | - | Surface Mount | |
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STM32G031K4U3TRIC MCU 32BIT 16KB FLASH 32UFQFPN |
1,952 | - |
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Datasheet | 32-UFQFN Exposed Pad | STM32G0 | Tape & Reel (TR) | Active | - | ARM® Cortex®-M0+ | 32-Bit Single-Core | 64MHz | I2C, IrDA, LINbus, SPI, SmartCard, UART/USART | Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT | 30 | 16KB (16K x 8) | FLASH | - | 8K x 8 | 1.7V ~ 3.6V | A/D 18x12b SAR | External, Internal | -40°C ~ 125°C (TA) | - | - | Surface Mount | |
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R7F100GEF2DNP#UA016-BIT GENERAL MCU RL78/G23 96K |
1,789 | - |
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Datasheet | 40-WFQFN Exposed Pad | RL78/G23 | Tray | Active | - | RL78 | 16-Bit | 32MHz | CSI, I2C, LINbus, SPI, UART/USART | LVD, POR, PWM, WDT | 33 | 96KB (96K x 8) | FLASH | 8K x 8 | 12K x 8 | 1.6V ~ 5.5V | A/D 9x8/10b/12b; D/A 2x8b | Internal | -40°C ~ 85°C (TA) | - | - | Surface Mount | |
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R5F101BGANA#6016-BIT GENERAL MCU RL78/G13 128K |
2,089 | - |
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Datasheet | 32-WFQFN Exposed Pad | RL78/G13 | Tray | Active | - | RL78 | 16-Bit | 32MHz | CSI, I2C, LINbus, SPI, UART/USART | DMA, LVD, POR, PWM, WDT | 22 | 128KB (128K x 8) | FLASH | - | 12K x 8 | 1.6V ~ 5.5V | A/D 8x8/10b | Internal | -40°C ~ 85°C (TA) | - | - | Surface Mount | |
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R5F11BBEANA#6016BIT MCU RL78/G1F 64K 32HWQFN - |
4,076 | - |
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Datasheet | 32-WFQFN Exposed Pad | RL78/G1F | Tray | Active | - | RL78 | 16-Bit | 32MHz | CSI, I2C, IrDA, LINbus, UART/USART | LVD, POR, PWM, WDT | 25 | 64KB (64K x 8) | FLASH | 4K x 8 | 5.5K x 8 | 1.6V ~ 5.5V | A/D 13x8/10b; D/A 2x8b | Internal | -40°C ~ 85°C (TA) | - | - | Surface Mount | |
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R5F100EFANA#6016-BIT GENERAL MCU RL78/G13 96K |
1,117 | - |
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Datasheet | 40-WFQFN Exposed Pad | RL78/G13 | Tray | Active | - | RL78 | 16-Bit | 32MHz | CSI, I2C, LINbus, SPI, UART/USART | DMA, LVD, POR, PWM, WDT | 28 | 96KB (96K x 8) | FLASH | 8K x 8 | 8K x 8 | 1.6V ~ 5.5V | A/D 9x8/10b | Internal | -40°C ~ 85°C (TA) | - | - | Surface Mount | |
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ML51LD1AEIC MCU 8BIT 64KB FLASH 48LQFP |
4,356 | - |
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Datasheet | 48-LQFP | NuMicro ML51 | Tray | Active | - | 8051 | 8-Bit | 24MHz | I2C, SmartCard, SPI, UART/USART | Brown-out Detect/Reset, LVR, POR, PWM, WDT | 43 | 64KB (64K x 8) | FLASH | - | 4K x 8 | 1.8V ~ 5.5V | A/D 10x12b SAR | Internal | -40°C ~ 105°C (TA) | - | - | Surface Mount | |
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PIC16F18323-E/PIC MCU 8BIT 3.5KB FLASH 14DIP |
1,428 | - |
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Datasheet | 14-DIP (0.300", 7.62mm) | PIC® XLP™ 16F | Tube | Active | Not Verified | PIC | 8-Bit | 32MHz | I2C, LINbus, SPI, UART/USART | Brown-out Detect/Reset, POR, PWM, WDT | 12 | 3.5KB (2K x 14) | FLASH | 256 x 8 | 256 x 8 | 2.3V ~ 5.5V | A/D 11x10b; D/A 1x5b | Internal | -40°C ~ 125°C (TA) | - | - | Through Hole |
Microcontrollers FAQ
Common questions about selecting, comparing and sourcing Microcontrollers components through Winsun (HK) Electronics.
What should I check when selecting Microcontrollers components?
Compare the manufacturer part number, electrical specifications, package, operating conditions and application requirements. The product datasheet should be used to confirm technical suitability.
Can Winsun help source specific Microcontrollers part numbers?
Yes. Send the exact part number, manufacturer and required quantity. Winsun (HK) Electronics can assist with availability checks, quotation support and sourcing options based on your requirement.
Do you support shortage, obsolete or hard-to-find Microcontrollers parts?
Yes. Our sourcing team can review shortage and obsolete-part requirements and help check available supply channels or possible alternatives when appropriate.
How do I request a quote for Microcontrollers components?
Submit an RFQ with the part number, manufacturer, quantity and target delivery requirement. Our sales team will review your request and follow up with current sourcing information.
