ST90E28L6 16K EPROM HCMOS MCU with RAM. 1 piece ST90E28L6 16K EPROM HCMOS MCU with RAM. Product Family: HCMOS MCU with RAM. MCU 8/16bit ST6 - ST7 - ST9. • Up to five 8 bit I/O ports with programmable input thresholds and output characteristics.
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