Microcontrollers
Browse available Microcontrollers components by manufacturer and part number. Review stock status, datasheets and key technical parameters to compare suitable options for design, maintenance, replacement or purchasing.
If you already have a target MPN or BOM, send it to EGOO with the required quantity. Our sourcing team can check availability, lead time and quotation options, including hard-to-find and obsolete parts.
| 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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AT80C32X2-SLSULIC MCU 8BIT ROMLESS 44PLCC |
2,704 | - |
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Datasheet | 44-LCC (J-Lead) | 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) | - | - | Surface Mount | |
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AT80C32X2-SLSUMIC MCU 8BIT ROMLESS 44PLCC |
4,207 | - |
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Datasheet | 44-LCC (J-Lead) | 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) | - | - | Surface Mount | |
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AT80C51RA2-3CSULIC MCU 8BIT ROMLESS 40PDIL |
3,924 | - |
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Datasheet | 40-DIP (0.600", 15.24mm) | 80C | Tube | Obsolete | Not Verified | 80C51 | 8-Bit | 30/20MHz | UART/USART | POR, PWM, WDT | 32 | - | ROMless | - | 512 x 8 | 2.7V ~ 5.5V | - | Internal | -40°C ~ 85°C (TA) | - | - | Through Hole | |
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AT80C51RA2-3CSUMIC MCU 8BIT ROMLESS 40PDIL |
1,999 | - |
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Datasheet | 40-DIP (0.600", 15.24mm) | 80C | Tube | Obsolete | Not Verified | 80C51 | 8-Bit | 40/20MHz | UART/USART | POR, PWM, WDT | 32 | - | ROMless | - | 512 x 8 | 4.5V ~ 5.5V | - | Internal | -40°C ~ 85°C (TA) | - | - | Through Hole | |
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AT80C51RA2-RLTUMIC MCU 8BIT ROMLESS 44VQFP |
1,224 | - |
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Datasheet | 44-LQFP | 80C | Tray | Obsolete | Not Verified | 80C51 | 8-Bit | 40/20MHz | UART/USART | POR, PWM, WDT | 32 | - | ROMless | - | 512 x 8 | 4.5V ~ 5.5V | - | Internal | -40°C ~ 85°C (TA) | - | - | Surface Mount | |
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AT80C51RA2-SLSULIC MCU 8BIT ROMLESS 44PLCC |
3,122 | - |
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Datasheet | 44-LCC (J-Lead) | 80C | Tube | Obsolete | Not Verified | 80C51 | 8-Bit | 30/20MHz | UART/USART | POR, PWM, WDT | 32 | - | ROMless | - | 512 x 8 | 2.7V ~ 5.5V | - | Internal | -40°C ~ 85°C (TA) | - | - | Surface Mount | |
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AT80C51RA2-SLSUMIC MCU 8BIT ROMLESS 44PLCC |
2,939 | - |
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Datasheet | 44-LCC (J-Lead) | 80C | Tube | Obsolete | Not Verified | 80C51 | 8-Bit | 40/20MHz | UART/USART | POR, PWM, WDT | 32 | - | ROMless | - | 512 x 8 | 4.5V ~ 5.5V | - | Internal | -40°C ~ 85°C (TA) | - | - | Surface Mount | |
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AT80C51SND1C-ROTULIC MCU 8BIT ROMLESS 80TQFP |
4,332 | - |
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Datasheet | 80-LQFP | 80C | Tray | Obsolete | Not Verified | 80C51 | 8-Bit | 40MHz | I2C, IDE/ATAPI, Memory Card, SPI, UART/USART, USB | Audio, I2S, MP3, PCM, POR, WDT | 44 | - | ROMless | - | 2.25K x 8 | 2.7V ~ 3.3V | A/D 2x10b | Internal | -40°C ~ 85°C (TA) | - | - | Surface Mount | |
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AT87251G2D-3CSUMIC MCU 8/16BIT 32KB OTP 40PDIL |
3,842 | - |
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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 | 32KB (32K x 8) | OTP | - | 1K x 8 | 4.5V ~ 5.5V | - | Internal | -40°C ~ 85°C (TA) | - | - | Through Hole | |
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AT87251G2D-SLSUMIC MCU 8/16BIT 32KB OTP 44PLCC |
1,213 | - |
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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 | 32KB (32K x 8) | OTP | - | 1K x 8 | 4.5V ~ 5.5V | - | Internal | -40°C ~ 85°C (TA) | - | - | Surface Mount | |
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AT87C51RB2-3CSULIC MCU 8BIT 16KB OTP 40PDIL |
1,539 | - |
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Datasheet | 40-DIP (0.600", 15.24mm) | 87C | Tube | Obsolete | Not Verified | 80C51 | 8-Bit | 30/20MHz | UART/USART | POR, PWM, WDT | 32 | 16KB (16K x 8) | OTP | - | 512 x 8 | 2.7V ~ 5.5V | - | Internal | -40°C ~ 85°C (TA) | - | - | Through Hole | |
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AT87C51RB2-3CSUMIC MCU 8BIT 16KB OTP 40PDIL |
3,059 | - |
|
Datasheet | 40-DIP (0.600", 15.24mm) | 87C | Tube | Obsolete | Not Verified | 80C51 | 8-Bit | 40/20MHz | UART/USART | POR, PWM, WDT | 32 | 16KB (16K x 8) | OTP | - | 512 x 8 | 4.5V ~ 5.5V | - | Internal | -40°C ~ 85°C (TA) | - | - | Through Hole | |
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AT87C51RB2-RLTULIC MCU 8BIT 16KB OTP 44VQFP |
1,678 | - |
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Datasheet | 44-LQFP | 87C | Tray | Obsolete | Not Verified | 80C51 | 8-Bit | 30/20MHz | UART/USART | POR, PWM, WDT | 32 | 16KB (16K x 8) | OTP | - | 512 x 8 | 2.7V ~ 5.5V | - | Internal | -40°C ~ 85°C (TA) | - | - | Surface Mount | |
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AT87C51RB2-RLTUMIC MCU 8BIT 16KB OTP 44VQFP |
2,214 | - |
|
Datasheet | 44-LQFP | 87C | Tray | Obsolete | Not Verified | 80C51 | 8-Bit | 40/20MHz | UART/USART | POR, PWM, WDT | 32 | 16KB (16K x 8) | OTP | - | 512 x 8 | 4.5V ~ 5.5V | - | Internal | -40°C ~ 85°C (TA) | - | - | Surface Mount | |
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AT87C51RB2-SLSULIC MCU 8BIT 16KB OTP 44PLCC |
1,037 | - |
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Datasheet | 44-LCC (J-Lead) | 87C | Tube | Obsolete | Not Verified | 80C51 | 8-Bit | 30/20MHz | UART/USART | POR, PWM, WDT | 32 | 16KB (16K x 8) | OTP | - | 512 x 8 | 2.7V ~ 5.5V | - | Internal | -40°C ~ 85°C (TA) | - | - | Surface Mount | |
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AT87C51RB2-SLSUMIC MCU 8BIT 16KB OTP 44PLCC |
1,543 | - |
|
Datasheet | 44-LCC (J-Lead) | 87C | Tube | Obsolete | Not Verified | 80C51 | 8-Bit | 40/20MHz | UART/USART | POR, PWM, WDT | 32 | 16KB (16K x 8) | OTP | - | 512 x 8 | 4.5V ~ 5.5V | - | Internal | -40°C ~ 85°C (TA) | - | - | Surface Mount | |
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AT87C51RC2-3CSUMIC MCU 8BIT 32KB OTP 40PDIL |
3,603 | - |
|
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 | |
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AT87C51RC2-RLTUMIC MCU 8BIT 32KB OTP 44VQFP |
4,386 | - |
|
Datasheet | 44-LQFP | 87C | Tray | 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 | |
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AT87C51RC2-SLSUMIC MCU 8BIT 32KB OTP 44PLCC |
2,120 | - |
|
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 | |
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AT87C51RD2-3CSULIC MCU 8BIT 64KB OTP 40PDIL |
4,446 | - |
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Datasheet | 40-DIP (0.600", 15.24mm) | 87C | Tube | Obsolete | Not Verified | 80C51 | 8-Bit | 30/20MHz | UART/USART | POR, PWM, WDT | 32 | 64KB (64K x 8) | OTP | - | 1K x 8 | 2.7V ~ 5.5V | - | Internal | -40°C ~ 85°C (TA) | - | - | Through Hole |
Microcontrollers FAQ
What Microcontrollers components can I source from EGOO?
You can browse available Microcontrollers product families, manufacturers and part numbers on this page, then review stock, datasheets and technical information for suitable options.
Can EGOO help with hard-to-source or obsolete Microcontrollers parts?
Yes. EGOO provides sourcing support for shortage, obsolete and hard-to-find electronic components. Send us the target manufacturer part number and quantity for checking.
Does EGOO support BOM and small-batch sourcing?
Yes. We support BOM sourcing, prototype requirements and small-batch supply, together with stock, lead-time and quotation assistance.
How do I request pricing and availability?
Submit the manufacturer part number, required quantity and any package, date-code or delivery requirements through the RFQ form, and our team will review available sourcing options.
