Microcontrollers
| Manufacturer | 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 | Supplier Device Package |
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| 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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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 | |
|
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 | |
|
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 | |
|
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 | |
|
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 | |
|
AT80C32X2-SLSULIC MCU 8BIT ROMLESS 44PLCC |
2,704 | - |
|
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 | - |
|
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 | |
|
AT80C51RA2-3CSULIC MCU 8BIT ROMLESS 40PDIL |
3,924 | - |
|
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 | |
|
|
AT80C51RA2-3CSUMIC MCU 8BIT ROMLESS 40PDIL |
1,999 | - |
|
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 | |
|
|
AT80C51RA2-RLTUMIC MCU 8BIT ROMLESS 44VQFP |
1,224 | - |
|
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 | |
|
|
AT80C51RA2-SLSULIC MCU 8BIT ROMLESS 44PLCC |
3,122 | - |
|
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 | |
|
|
AT80C51RA2-SLSUMIC MCU 8BIT ROMLESS 44PLCC |
2,939 | - |
|
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 |
Microcontrollers Electronic Components Sourcing and Lifecycle Support
FPGAX is a global sourcing partner specializing in FPGA and programmable logic solutions for engineering and manufacturing organizations worldwide. For customers sourcing Microcontrollers components, we support both current production requirements and long-term component availability across demanding product lifecycles.
Our sourcing approach combines traceability, supply stability, and technical coordination. FPGAX is certified to AS9120B, ISO 9001:2008, and ISO 14001 standards and supports procurement programs where continuity, documentation, and dependable component supply are important.
How FPGAX Supports Microcontrollers Requirements
- Active component sourcing: support for current FPGA, programmable logic, and related semiconductor requirements.
- End-of-life sourcing: assistance with obsolete and hard-to-find parts when designs must remain in production.
- Lifecycle management: sourcing support during product transitions, allocation periods, and supply interruptions.
- Design continuity: long-term supply support intended to reduce redesign pressure and production disruption.
- Major programmable logic brands: sourcing coverage includes Xilinx, Intel/Altera, Lattice, Microchip, and QuickLogic.
Supply Support at a Glance
| Requirement | FPGAX Support |
| Current production | Active FPGA, programmable logic, and semiconductor component sourcing |
| Legacy programs | End-of-life and hard-to-find component sourcing |
| Supply continuity | Lifecycle transition and long-term availability support |
| Quality requirements | Traceable sourcing and quality-management processes |
Focused on FPGA and Programmable Logic Supply
FPGAX focuses on helping customers maintain access to critical programmable devices throughout the full component lifecycle. Whether the requirement is for a current design, an established production program, or an older platform facing component obsolescence, our goal is to provide a stable sourcing path and help customers maintain design and manufacturing continuity.
Microcontrollers FAQ
Can FPGAX source both active and end-of-life Microcontrollers components?
Yes. FPGAX supports sourcing for both active components and end-of-life or hard-to-find parts, with an emphasis on maintaining supply continuity for engineering and manufacturing programs.
Which programmable logic manufacturers does FPGAX support?
Our core sourcing coverage includes major FPGA and programmable logic manufacturers such as Xilinx, Intel/Altera, Lattice, Microchip, and QuickLogic, subject to specific part requirements and availability.
How does FPGAX help with component lifecycle changes?
We support customers through lifecycle transitions by helping locate current or legacy supply, reducing exposure to supply disruptions, and supporting long-term availability for designs that need to remain in production.
What quality and traceability standards does FPGAX follow?
FPGAX states certification to AS9120B, ISO 9001:2008, and ISO 14001 standards. Our sourcing services are structured around traceability, stable supply, and quality-management requirements.
What information should I provide for a Microcontrollers sourcing request?
Providing the manufacturer part number, required quantity, target delivery schedule, and any lifecycle or traceability requirements helps us evaluate the sourcing request more efficiently.