PIC16C554-20I/SOIC MCU OTP 512X14 18SOIC|MICROCHIP TECHNOLOGY|Lead free|RoHS Compliant PIC16C554T-20I/SO PIC16C554-20I/SSIC MCU OTP 512X14 20SSOP|MICROCHIP TECHNOLOGY|Lead free|RoHS Compliant PIC16C554T-20I/SS