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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P87LPC768BD,512IC MCU 8BIT 4KB OTP 20SO |
2,324 |
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Datasheet | 20-SOIC (0.295", 7.50mm Width) | LPC700 | Tube | Obsolete | Not Verified | 8051 | 8-Bit | 20MHz | I2C, UART/USART | Brown-out Detect/Reset, LED, POR, PWM, WDT | 18 | 4KB (4K x 8) | OTP | - | 128 x 8 | 2.7V ~ 6V | A/D 4x8b | Internal | 0°C ~ 70°C (TA) | - | - | Surface Mount | |
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P87LPC768FD,512IC MCU 8BIT 4KB OTP 20SO |
2,353 |
|
Datasheet | 20-SOIC (0.295", 7.50mm Width) | LPC700 | Tube | Obsolete | Not Verified | 8051 | 8-Bit | 20MHz | I2C, UART/USART | Brown-out Detect/Reset, LED, POR, PWM, WDT | 18 | 4KB (4K x 8) | OTP | - | 128 x 8 | 2.7V ~ 6V | A/D 4x8b | Internal | -40°C ~ 85°C (TA) | - | - | Surface Mount | |
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P87LPC768FN,112IC MCU 8BIT 4KB OTP 20DIP |
3,794 |
|
Datasheet | 20-DIP (0.300", 7.62mm) | LPC700 | Tube | Obsolete | Not Verified | 8051 | 8-Bit | 20MHz | I2C, UART/USART | Brown-out Detect/Reset, LED, POR, PWM, WDT | 18 | 4KB (4K x 8) | OTP | - | 128 x 8 | 2.7V ~ 6V | A/D 4x8b | Internal | -40°C ~ 85°C (TA) | - | - | Through Hole | |
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P89LPC9221FN,112IC MCU 8BIT 8KB FLASH 20DIP |
2,910 |
|
Datasheet | 20-DIP (0.300", 7.62mm) | LPC900 | Tube | Obsolete | Not Verified | 8051 | 8-Bit | 18MHz | I2C, UART/USART | Brown-out Detect/Reset, LED, POR, PWM, WDT | 18 | 8KB (8K x 8) | FLASH | - | 256 x 8 | 2.4V ~ 3.6V | - | Internal | -40°C ~ 85°C (TA) | - | - | Through Hole | |
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P89LPC938FHN,151IC MCU 8BIT 8KB FLASH 28HVQFN |
2,171 |
|
Datasheet | 28-VQFN Exposed Pad | LPC900 | Tray | Obsolete | Not Verified | 8051 | 8-Bit | 18MHz | I2C, SPI, UART/USART | Brown-out Detect/Reset, LED, POR, PWM, WDT | 26 | 8KB (8K x 8) | FLASH | 512 x 8 | 768 x 8 | 2.4V ~ 3.6V | A/D 8x10b | Internal | -40°C ~ 85°C (TA) | - | - | Surface Mount | |
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P89LPC9401FBD,551IC MCU 8BIT 8KB FLASH 64LQFP |
1,125 |
|
Datasheet | 64-LQFP | LPC900 | Tray | Obsolete | Not Verified | 8051 | 8-Bit | 18MHz | I2C, SPI, UART/USART | Brown-out Detect/Reset, LCD, LED, POR, PWM, WDT | 23 | 8KB (8K x 8) | FLASH | - | 256 x 8 | 2.4V ~ 3.6V | - | Internal | -40°C ~ 85°C (TA) | - | - | Surface Mount | |
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P89V51RB2FN,112IC MCU 8BIT 16KB FLASH 40DIP |
2,111 |
|
Datasheet | 40-DIP (0.600", 15.24mm) | 89V | Tube | Obsolete | Not Verified | 8051 | 8-Bit | 40MHz | SPI, UART/USART | Brown-out Detect/Reset, POR, PWM, WDT | 32 | 16KB (16K x 8) | FLASH | - | 1K x 8 | 4.5V ~ 5.5V | - | Internal | -40°C ~ 85°C (TA) | - | - | Through Hole | |
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AT80251G2D-3CSUMIC MCU 8/16BIT ROMLESS 40PDIL |
2,180 |
|
Datasheet | 40-DIP (0.600", 15.24mm) | 8x251 | Tube | Obsolete | Not Verified | C251 | 8/16-Bit | 24MHz | EBI/EMI, I2C, Microwire, SPI, UART/USART | POR, PWM, WDT | 32 | - | ROMless | - | 1K x 8 | 4.5V ~ 5.5V | - | Internal | -40°C ~ 85°C (TA) | - | - | Through Hole | |
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AT80251G2D-RLTUMIC MCU 8/16BIT ROMLESS 44VQFP |
3,569 |
|
Datasheet | 44-LQFP | 8x251 | Tray | Obsolete | Not Verified | C251 | 8/16-Bit | 24MHz | EBI/EMI, I2C, Microwire, SPI, UART/USART | POR, PWM, WDT | 32 | - | ROMless | - | 1K x 8 | 4.5V ~ 5.5V | - | Internal | -40°C ~ 85°C (TA) | - | - | Surface Mount | |
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AT80251G2D-SLRUMIC MCU 8/16BIT ROMLESS 44PLCC |
2,306 |
|
Datasheet | 44-LCC (J-Lead) | 8x251 | Tape & Reel (TR) | Obsolete | Not Verified | C251 | 8/16-Bit | 24MHz | EBI/EMI, I2C, Microwire, SPI, UART/USART | POR, PWM, WDT | 32 | - | ROMless | - | 1K x 8 | 4.5V ~ 5.5V | - | Internal | -40°C ~ 85°C (TA) | - | - | Surface Mount | |
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AT80251G2D-SLSULIC MCU 8/16BIT ROMLESS 44PLCC |
3,824 |
|
Datasheet | 44-LCC (J-Lead) | 8x251 | Tube | Obsolete | Not Verified | C251 | 8/16-Bit | 16MHz | EBI/EMI, I2C, Microwire, SPI, UART/USART | POR, PWM, WDT | 32 | - | ROMless | - | 1K x 8 | 2.7V ~ 5.5V | - | Internal | -40°C ~ 85°C (TA) | - | - | Surface Mount | |
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AT80251G2D-SLSUMIC MCU 8/16BIT ROMLESS 44PLCC |
3,200 |
|
Datasheet | 44-LCC (J-Lead) | 8x251 | Tube | Obsolete | Not Verified | C251 | 8/16-Bit | 24MHz | EBI/EMI, I2C, Microwire, SPI, UART/USART | POR, PWM, WDT | 32 | - | ROMless | - | 1K x 8 | 4.5V ~ 5.5V | - | Internal | -40°C ~ 85°C (TA) | - | - | Surface Mount | |
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AT80C31X2-3CSUMIC MCU 8BIT ROMLESS 40PDIL |
3,531 |
|
Datasheet | 40-DIP (0.600", 15.24mm) | 80C | Tube | Obsolete | Not Verified | 80C51 | 8-Bit | 40/20MHz | UART/USART | POR | 32 | - | ROMless | - | 128 x 8 | 4.5V ~ 5.5V | - | Internal | -40°C ~ 85°C (TA) | - | - | Through Hole | |
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AT80C31X2-RLTUMIC MCU 8BIT ROMLESS 44VQFP |
3,056 |
|
Datasheet | 44-LQFP | 80C | Tray | Obsolete | Not Verified | 80C51 | 8-Bit | 40/20MHz | UART/USART | POR | 32 | - | ROMless | - | 128 x 8 | 4.5V ~ 5.5V | - | Internal | -40°C ~ 85°C (TA) | - | - | Surface Mount | |
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AT80C31X2-SLSULIC MCU 8BIT ROMLESS 44PLCC |
3,688 |
|
Datasheet | 44-LCC (J-Lead) | 80C | Tube | Obsolete | Not Verified | 80C51 | 8-Bit | 30/20MHz | UART/USART | POR | 32 | - | ROMless | - | 128 x 8 | 2.7V ~ 5.5V | - | Internal | -40°C ~ 85°C (TA) | - | - | Surface Mount | |
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AT80C31X2-SLSUMIC MCU 8BIT ROMLESS 44PLCC |
4,273 |
|
Datasheet | 44-LCC (J-Lead) | 80C | Tube | Obsolete | Not Verified | 80C51 | 8-Bit | 40/20MHz | UART/USART | POR | 32 | - | ROMless | - | 128 x 8 | 4.5V ~ 5.5V | - | Internal | -40°C ~ 85°C (TA) | - | - | Surface Mount | |
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AT80C32X2-3CSULIC MCU 8BIT ROMLESS 40PDIL |
1,299 |
|
Datasheet | 40-DIP (0.600", 15.24mm) | 80C | Tube | Obsolete | Not Verified | 80C51 | 8-Bit | 30/20MHz | UART/USART | POR | 32 | - | ROMless | - | 256 x 8 | 2.7V ~ 5.5V | - | Internal | -40°C ~ 85°C (TA) | - | - | Through Hole | |
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AT80C32X2-3CSUMIC MCU 8BIT ROMLESS 40PDIL |
4,678 |
|
Datasheet | 40-DIP (0.600", 15.24mm) | 80C | Tube | Obsolete | Not Verified | 80C51 | 8-Bit | 40/20MHz | UART/USART | POR | 32 | - | ROMless | - | 256 x 8 | 4.5V ~ 5.5V | - | Internal | -40°C ~ 85°C (TA) | - | - | Through Hole | |
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AT80C32X2-RLTULIC MCU 8BIT ROMLESS 44VQFP |
2,494 |
|
Datasheet | 44-LQFP | 80C | Tray | Obsolete | Not Verified | 80C51 | 8-Bit | 30/20MHz | UART/USART | POR | 32 | - | ROMless | - | 256 x 8 | 2.7V ~ 5.5V | - | Internal | -40°C ~ 85°C (TA) | - | - | Surface Mount | |
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AT80C32X2-RLTUMIC MCU 8BIT ROMLESS 44VQFP |
1,437 |
|
Datasheet | 44-LQFP | 80C | Tray | Obsolete | Not Verified | 80C51 | 8-Bit | 40/20MHz | UART/USART | POR | 32 | - | ROMless | - | 256 x 8 | 4.5V ~ 5.5V | - | 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.
How can I request pricing and availability?
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.
