BU4028B ROHM

Datasheet General Purpose CMOS Logic IC BCD-to-Decimal Decoder BU4028B General Description Key Specifications The BU4028B is a decoder which converts BCD signals Operating Supply Voltage Range: 3V to 16V into decimal signals. Output signal Q0 to Q9 becomes Input Voltage Range: V to V SS DD the level by an input cord corresponding to A to D. Operating Temperature Range: -40C to +85C All other output becomes the level. Package W(Typ) x D(Typ) x H(Max) DIP16 19.40mm x 6.50mm x 7.95mm Features Low Power Consumption Wide Operating Supply Voltage Range High Input Impedance 2 L-TTL Inputs or 1 LS-TTL Input can be directly driven DIP16 Truth Table Inputs Outputs D C B A Q9 Q8 Q7 Q6 Q5 Q4 Q3 Q2 Q1 Q0 L L L L L L L L L L L L L H L L L H L L L L L L L L H L L L H L L L L L L L L H L L L L H H L L L L L L H L L L L H L L L L L L L H L L L L L H L H L L L L H L L L L L L H H L L L L H L L L L L L L H H H L L H L L L L L L L H L L L L H L L L L L L L L H L L H H L L L L L L L L L H L H L L L L L L L L L L L H L H H L L L L L L L L L L H H L L L L L L L L L L L L H H L H L L L L L L L L L L H H H L L L L L L L L L L L H H H H L L L L L L L L L L Product structure : Silicon monolithic integrated circuit This product has no designed protection against radioactive rays . www.rohm.com TSZ02201-0RDR0GZ00260-1-2 2014 ROHM Co., Ltd. All rights reserved. 1/12 TSZ22111 14 001 16.Sep.2014 Rev.001 BU4028B Pin Configuration (TOP VIEW) 1 16 Q4 VDD 2 15 Q2 Q3 3 14 Q0 Q1 4 13 Q7 B 5 12 Q9 C 6 11 Q5 D 7 10 Q6 A 8 VSS 9 Q8 Pin Description Pin No. Symbol I/O Function 1 Q4 O Output 4 2 Q2 O Output 2 3 Q0 O Output 0 4 Q7 O Output 7 5 Q9 O Output 9 6 Q5 O Output 5 7 Q6 O Output 6 8 VSS Power supply(-) 9 Q8 O Output 8 10 A I Input A 11 D I Input D 12 C I Input C 13 B I Input B 14 Q1 O Output 1 15 Q3 O Output 3 16 VDD Power supply (+) www.rohm.com TSZ02201-0RDR0GZ00260-1-2 2014 ROHM Co., Ltd. All rights reserved. 2/12 TSZ22111 15 001 16.Sep.2014 Rev.001