MC14028B BCD-To-Decimal Decoder Binary-To-Octal Decoder The MC14028B decoder is constructed so that an 8421 BCD code on the four inputs provides a decimal (oneoften) decoded output, while a 3bit binary input provides a decoded octal (oneofeight) MC14028B BLOCK DIAGRAM Q0 3 10 A Q1 14 3-BIT Q2 2 OCTAL BINARY Q3 15 13 B 8421 DECODED INPUTS DECIMAL Q4 1 BCD OUTPUTS DECODED Q5 6 INPUTS OUTPUTS 12 C Q6 7 Q7 4 Q8 9 11 DQ9 5 V = PIN 16 DD V = PIN 8 SS TRUTH TABLE D C B A Q9Q8Q7Q6Q5 Q4Q3Q2Q1Q0 0 0 0 0 00000 00001 0 0 0 1 00000 00010 0 0 1 0 00000 00100 0 0 1 1 00000 01000 0 1 0 0 00000 10000 0 1 0 1 00001 00000 0 1 1 0 00010 00000 0 1 1 1 00100 00000 1 0 0 0 01000 00000 1 0 0 1 10000 00000 1 0 1 0 00000 00000 1 0 1 1 00000 00000 1 1 0 0 00000 00000 1 1 0 1 00000 00000 1 1 1 0 00000 00000 1 1 1 1 00000 00000 ORDERING INFORMATION Device Package Shipping MC14028BDG SOIC16 48 Units / Rail (PbFree) MC14028BDR2G SOIC16 2500 / Tape & Reel (PbFree) NLV14028BDR2G* SOIC16 2500 / Tape & Reel (PbFree) For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specifications Brochure, BRD8011/D. *NLV Prefix for Automotive and Other Applications Requiring Unique Site and Control Change Requirements AECQ100 Qualified and PPAP Capable.