PIC12C509A-04/P Bits number of 8 Memory configuration 1024x12 Memory type OTP Microprocessor/controller features OSC/ISP Frequency clock 4 MHz Memory size 1 K-bit
PIC12C509A-04I/SM Bits number of 8 Memory configuration 1024x12 Memory type OTP Microprocessor/controller features INTERNAL OSCILLATOR,ISP Frequency clock 4 MHz Memory size 1 K-bit