PIC16F15254-E/SO PIC16F15254-E/SP PIC16F15254-E/SS PIC16F15254-E/STX PIC16F15254-I/SO PIC16F15254-I/SP PIC16F15254-I/SS PIC16F15254-I/STX PIC16F15254T-I/SO PIC16F15254T-I/SS