Microcontrollers
Explore Microcontrollers parts from multiple manufacturers, with model information, availability, datasheets and technical specifications for engineering and purchasing.
For parts that are not shown in the list, send the manufacturer part number, quantity or BOM to JIEXIN Electronics. Our team can assist with availability checks and quotation support.
| Photo | Mfr. Part # | Availability | 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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W78L516A24PLIC MCU 8BIT 64KB FLASH 44PLCC |
3,105 |
|
Datasheet | 44-LCC (J-Lead) | W78 | Tube | Obsolete | Not Verified | 80C52 | 8-Bit | 24MHz | EBI/EMI, Serial Port | POR, WDT | 36 | 64KB (64K x 8) | FLASH | - | 1.25K x 8 | 2.7V ~ 5.5V | - | Internal | 0°C ~ 70°C (TA) | - | - | Surface Mount | |
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W78L812A24DLIC MCU 8BIT 8KB FLASH 40DIP |
2,939 |
|
Datasheet | 40-DIP | W78 | Tube | Active | Not Verified | 8051 | 8-Bit | 24MHz | EBI/EMI, UART/USART | LED, WDT | 32 | 8KB (8K x 8) | FLASH | - | 256 x 8 | 2.4V ~ 5.5V | - | Internal | 0°C ~ 70°C (TA) | - | - | Through Hole | |
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W79E201A16PLIC MCU 8BIT 16KB FLASH 44PLCC |
4,381 |
|
Datasheet | 44-LCC (J-Lead) | W79 | Tube | Obsolete | Not Verified | 8051/52 | 8-Bit | 16MHz | EBI/EMI, Serial Port | POR, PWM, WDT | 24 | 16KB (16K x 8) | FLASH | - | 256 x 8 | 4.5V ~ 5.5V | A/D 8x10b | Internal | 0°C ~ 70°C (TA) | - | - | Surface Mount | |
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W79E532A40DLIC MCU 8BIT 128KB FLASH 40DIP |
4,087 |
|
Datasheet | 40-DIP | W79 | Tube | Obsolete | Not Verified | 8052 | 8-Bit | 40MHz | EBI/EMI, Serial Port | POR, PWM, WDT | 32 | 128KB (128K x 8) | FLASH | - | 1.25K x 8 | 3V ~ 5.5V | - | Internal | 0°C ~ 70°C (TA) | - | - | Through Hole | |
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W79E532A40PLIC MCU 8BIT 128KB FLASH 44PLCC |
2,291 |
|
Datasheet | 44-LCC (J-Lead) | W79 | Tube | Obsolete | Not Verified | 8052 | 8-Bit | 40MHz | EBI/EMI, Serial Port | POR, PWM, WDT | 36 | 128KB (128K x 8) | FLASH | - | 1.25K x 8 | 3V ~ 5.5V | - | Internal | 0°C ~ 70°C (TA) | - | - | Surface Mount | |
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W79E824ADGIC MCU 8BIT 8KB FLASH 20DIP |
2,198 |
|
Datasheet | 20-DIP (0.300", 7.62mm) | W79 | Tube | Obsolete | Not Verified | 8051 | 8-Bit | 20MHz | I2C, UART/USART | Brown-out Detect/Reset, LED, LVD, POR, PWM, WDT | 18 | 8KB (8K x 8) | FLASH | - | 256 x 8 | 2.7V ~ 5.5V | A/D 4x10b | Internal | -40°C ~ 85°C (TA) | - | - | Through Hole | |
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W79E824ASGIC MCU 8BIT 8KB FLASH 20SOIC |
3,117 |
|
Datasheet | 20-SOIC (0.295", 7.50mm Width) | W79 | Tube | Obsolete | Not Verified | 8051 | 8-Bit | 20MHz | I2C, UART/USART | Brown-out Detect/Reset, LED, LVD, POR, PWM, WDT | 18 | 8KB (8K x 8) | FLASH | - | 256 x 8 | 2.7V ~ 5.5V | A/D 4x10b | Internal | -40°C ~ 85°C (TA) | - | - | Surface Mount | |
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W79E825ADGIC MCU 8BIT 16KB FLASH 20DIP |
3,989 |
|
Datasheet | 20-DIP (0.300", 7.62mm) | W79 | Tube | Obsolete | Not Verified | 8051 | 8-Bit | 20MHz | I2C, UART/USART | Brown-out Detect/Reset, LED, LVD, POR, PWM, WDT | 18 | 16KB (16K x 8) | FLASH | - | 256 x 8 | 2.7V ~ 5.5V | A/D 4x10b | Internal | -40°C ~ 85°C (TA) | - | - | Through Hole | |
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W79E825ASGIC MCU 8BIT 16KB FLASH 20SOIC |
1,596 |
|
Datasheet | 20-SOIC (0.295", 7.50mm Width) | W79 | Tube | Obsolete | Not Verified | 8051 | 8-Bit | 20MHz | I2C, UART/USART | Brown-out Detect/Reset, LED, LVD, POR, PWM, WDT | 18 | 16KB (16K x 8) | FLASH | - | 256 x 8 | 2.7V ~ 5.5V | A/D 4x10b | Internal | -40°C ~ 85°C (TA) | - | - | Surface Mount | |
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W79L532A25DLIC MCU 8BIT 128KB FLASH 40DIP |
3,013 |
|
Datasheet | 40-DIP | W79 | Tube | Obsolete | Not Verified | 8052 | 8-Bit | 25MHz | EBI/EMI, Serial Port | POR, PWM, WDT | 32 | 128KB (128K x 8) | FLASH | - | 1.25K x 8 | 3V ~ 5.5V | - | Internal | 0°C ~ 70°C (TA) | - | - | Through Hole | |
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W90N740CDGIC MCU 32BIT ROMLESS 176LQFP |
1,276 |
|
Datasheet | 176-LQFP | W90 | Tray | Obsolete | Not Verified | ARM7® | 32-Bit Single-Core | 80MHz | EBI/EMI, Ethernet, UART/USART, USB | DMA, POR, WDT | 21 | - | ROMless | - | 10K x 8 | 1.62V ~ 3.6V | - | External | 0°C ~ 70°C (TA) | - | - | Surface Mount | |
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W925E240FGIC MCU 8BIT 256KB FLASH 100QFP |
4,342 |
|
Datasheet | 100-QFP | W925 | Tray | Obsolete | Not Verified | 8051 | 8-Bit | 3.6MHz | Serial Port | POR, WDT | 40 | 256KB (256K x 8) | FLASH | - | 8K x 8 | 2.2V ~ 6V | - | Internal | 0°C ~ 70°C (TA) | - | - | Surface Mount | |
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MC9S12H256VFVEIC MCU 16BIT 256KB FLASH 144LQFP |
4,883 |
|
Datasheet | 144-LQFP | HCS12 | Tray | Obsolete | Not Verified | HCS12 | 16-Bit | 16MHz | CANbus, I2C, SCI, SPI | LCD, POR, PWM, WDT | 99 | 256KB (256K x 8) | FLASH | 4K x 8 | 12K x 8 | 2.35V ~ 5.25V | A/D 16x10b | Internal | -40°C ~ 105°C (TA) | - | - | Surface Mount | |
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PXAC37KFA/00,512IC MCU 16BIT 32KB OTP 44PLCC |
2,387 |
|
Datasheet | 44-LCC (J-Lead) | XA | Tube | Obsolete | Not Verified | XA | 16-Bit | 32MHz | CANbus, EBI/EMI, SPI, UART/USART | DMA, POR, PWM, WDT | 32 | 32KB (32K x 8) | OTP | - | 1K x 8 | 4.5V ~ 5.5V | - | External | -40°C ~ 85°C (TA) | - | - | Surface Mount | |
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PXAG30KFBD,157IC MCU 16BIT ROMLESS 44LQFP |
4,290 |
|
Datasheet | 44-LQFP | XA | Tray | Obsolete | Not Verified | XA | 16-Bit | 30MHz | UART/USART | PWM, WDT | 32 | - | ROMless | - | 512 x 8 | 2.7V ~ 5.5V | - | External | -40°C ~ 85°C (TA) | - | - | Surface Mount | |
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PXAS30KFA,512IC MCU 16BIT ROMLESS 68PLCC |
1,289 |
|
Datasheet | 68-LCC (J-Lead) | XA | Tube | Obsolete | Not Verified | XA | 16-Bit | 30MHz | EBI/EMI, I2C, UART/USART | PWM, WDT | 32 | - | ROMless | - | 1K x 8 | 2.7V ~ 5.5V | A/D 8x8b | External | -40°C ~ 85°C (TA) | - | - | Surface Mount | |
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PXAS37KBBE,557IC MCU 16BIT 32KB OTP 80LQFP |
4,577 |
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Datasheet | 80-LQFP | XA | Tray | Obsolete | Verified | XA | 16-Bit | 30MHz | EBI/EMI, I2C, UART/USART | PWM, WDT | 50 | 32KB (32K x 8) | OTP | - | 1K x 8 | 2.7V ~ 5.5V | A/D 8x8b | External | 0°C ~ 70°C (TA) | - | - | Surface Mount | |
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D12320VF25IVIC MCU 16BIT ROMLESS 128QFP |
2,017 |
|
Datasheet | 128-BFQFP | H8® H8S/2300 | Tray | Last Time Buy | Not Verified | H8S/2000 | 16-Bit | 25MHz | SCI, SmartCard | DMA, POR, PWM, WDT | 86 | - | ROMless | - | 4K x 8 | 2.7V ~ 3.6V | A/D 8x10b; D/A 2x8b | Internal | -40°C ~ 85°C (TA) | - | - | Surface Mount | |
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D12324SVTE25VIC MCU 16BIT ROMLESS 120TQFP |
3,355 |
|
Datasheet | 120-TQFP | H8® H8S/2300 | Tray | Last Time Buy | Not Verified | H8S/2000 | 16-Bit | 25MHz | SCI, SmartCard | DMA, POR, PWM, WDT | 86 | - | ROMless | - | 32K x 8 | 2.7V ~ 3.6V | A/D 8x10b; D/A 2x8b | Internal | -20°C ~ 75°C (TA) | - | - | Surface Mount | |
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D12350F20IVIC MCU 16BIT ROMLESS 128QFP |
1,726 |
|
Datasheet | 128-BFQFP | H8® H8S/2300 | Tray | Obsolete | Not Verified | H8S/2000 | 16-Bit | 20MHz | SCI, SmartCard | DMA, POR, PWM, WDT | 87 | - | ROMless | - | 2K x 8 | 2.7V ~ 5.5V | A/D 8x10b; D/A 2x8b | Internal | -40°C ~ 85°C (TA) | - | - | Surface Mount |
Frequently Asked Questions
What are Microcontrollers components used for?
Microcontrollers components are used in a wide range of electronic equipment and systems. Their exact function depends on the device, circuit design and technical requirements of the application.
How do I choose the right Microcontrollers part?
Compare the manufacturer part number, key specifications, package type, operating conditions, availability and datasheet information. For replacement projects, always verify the critical electrical and mechanical parameters before selecting an alternative.
Can JIEXIN Electronics help source obsolete or hard-to-find Microcontrollers parts?
Yes. Send us the required manufacturer part number, quantity or BOM. Our sourcing team can help check stock availability, lead time, alternative sourcing options and quotation details.
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Submit the part number, manufacturer and required quantity through our RFQ form. JIEXIN Electronics will review your request and provide available stock, pricing and sourcing information.
