HCF4555B DUAL BINARY TO 1 OF 4 DECODER/DEMULTIPLEXER OUTPUT HIGH ON SELECT EXPANDABLE WITH MULTIPLE PACKAGES STANDARDIZED SYMMETRICAL OUTPUT CHARACTERISTICS QUIESCENT CURRENT SPECIFIED UP TO 20V 5V, 10V AND 15V PARAMETRIC RATINGS DIP SOP INPUT LEAKAGE CURRENT I = 100nA (MAX) AT V = 18V T = 25C I DD A 100% TESTED FOR QUIESCENT CURRENT MEETS ALL REQUIREMENTS OF JEDEC ORDER CODES JESD13B STANDARD SPECIFICATIONS PACKAGE TUBE T & R FOR DESCRIPTION OF B SERIES CMOS DIP HCF4555BEY DEVICE SOP HCF4555BM1 HCF4555M013TR DESCRIPTION The HCF4555B is a monolithic integrated circuit fabricated in Metal Oxide Semiconductor exclusive outputs. On the HCF4555B the outputs technology available in DIP and SOP packages. are high on select. When the Enable input is high, The HCF4555B is a dual 1 of 4 decoder/ the outputs is low regardless of the state of the demultiplexer. Each decoder has two select inputs select inputs A and B. (A and B), an Enable input (E), and four mutually PIN CONNECTION September 2001 1/10HCF4555B IINPUT EQUIVALENT CIRCUIT PIN DESCRIPTION PIN No SYMBOL NAME AND FUNCTION 2, 3 A, B Select Inputs (1/2 of dual) 1E Enable Input (1/2 of dual) 4, 5, 6, 7 Q0 to Q3 Outputs (1/2 of dual) 14, 13 A, B Select Inputs (1/2 of dual) 15 E Enable Input (1/2 of dual) 12, 11, 10, 9 Q0 to Q3 Outputs (1/2 of dual) V 8 Negative Supply Voltage SS V 16 Positive Supply Voltage DD TRUTH TABLE INPUTS ENABLE SELECT OUTPUTS E B A Q3 Q2 Q1 Q0 LLL LLL H L L H L LHL LHL LHL L L H H H LLL H X X LLLL X : Dont Care FUNCTIONAL DIAGRAM 2/10