8-Bit Microcontroller, featuring an 8051 CPU core and a maximum clock frequency of 20MHz. This CMOS device offers 8000 words of OTPROM and 512 bytes of RAM, with 32 I/O lines, an 8-bit external data bus, and a 16-bit address bus. Packaged in a 44-terminal PQFP (S-PQFP-G44) with a 10mm x 10mm footprint, it operates within an industrial temperature range of -40°C to 85°C and supports supply voltages from 4V to 6V.
Intel TS87C51RA-20 technical specifications.
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