8-Bit Microcontroller, featuring an 8051 CPU architecture and a maximum clock frequency of 12MHz. This CMOS device offers 16384 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. Operating within a commercial temperature range of 0°C to 70°C, it is housed in a 40-terminal PDIP package with dual terminal positions. Maximum supply current is 30mA, with a nominal supply voltage of 5V, supporting a range of 4V to 6V.
Intel P87C51RB technical specifications.
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