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AT89C2051-12SU MICROCHIP (ATMEL) - IC: microcontroller 8051 | Flash: 2kx8bit; SRAM: 128B; 2.7÷6VDC | TME - Electronic components
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10~100 PCS AT89C2051 12PU DIP 20 Semiconductor 8 bit Microcontroller MCU IC Chip for module arduino Free Shipping 89C2051 12PU|Integrated Circuits| - AliExpress
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AT89C2051-24PU Microchip - Microcontrollers - Distributors, Price Comparison, and Datasheets | Octopart component search
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