Users Guide: DS80C390 Supplement Manual
High-Speed Microcontroller User’s Guide: DS80C390 Supplement 
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ADDENDUM TO SECTION 2: ORDERING INFORMATION 
The high-speed microcontroller family follows the part numbering convention shown below. Note that all 
combinations of devices are not currently available. Please refer to individual data sheets for the available 
versions. 
 DS80C390-FCR 
 SPEED:  D  18MHz 
 G 25MHz 
 L 33MHz 
 R 40MHz 
 TEMPERATURE:  C  0°C to +70°C 
 N -40°C to +85°C 
 PACKAGE:  M  PLASTIC 
 Q PLCC 
    E  THIN PLASTIC QUAD FLAT PACK (TQFP) 
    F  PLASTIC QUAD FLAT PACK (PQFP) 
 W WINDOWED CERDIP 
 K WINDOWED CERQUAD 
 OPERATING VOLTAGE:  0  +5V 
    3  +3V OR WIDE VOLTAGE 
 MEMORY TYPE:  0  ROMless 
 3 ROM 
7 EPROM 










