5 PCS AT89S52-24AU QFP-44 89S52 8-bit Microcontroller with Programmable Flash IC | eBay
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My TechnoCare AT89S52 IC ATMEL 8051 Microcontroller Chip + 40 Pin DIP Mount IC Socket | 8 Bit Microprocessor 8Kb ISP(in System Programming) Flash Memory Up to 33MHz Clock Frequency Speed :
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