DESCRIPTION
The HCC40208B (extended temperature range) and HCF40208B (intermediate temperature range) are monolithic integrated circuits, available in 24-lead dual in-line plastic or ceramic package and plastic micro package.

■ FOUR 4-BIT REGISTERS
■ ONE INPUT AND TWO OUTPUT BUSES
■ UNLIMITED EXPANSION IN BIT AND WORD DIRECTIONS
■ DATA LINES HAVE LATCHED INPUTS
■ 3-STATE OUTPUTS
■ SEPARATE CONTROL OF EACH BUS,
   ALLOWING SIMULTANEOUS INDEPENDENT
   READING OF ANY OF FOUR REGISTERS ON
   BUS A AND BUS B AND INDEPENDENT WRIT
   ING INTO ANY OF THE FOUR REGISTERS
■ 40108B IS PIN-COMPATIBLE WITH INDUSTRY TYPE MC14580
■ STANDARDIZED, SYMMETRICAL OUTPUT CHARACTERISTICS
■ QUIESCENT CURRENT SPECIFIED AT 20V FOR HCC DEVICE
■ 5V, 10V, AND 15V PARAMETRIC RATINGS
■ INPUT CURRENT OF 100nA AT 18V AND 25°C FOR HCC DEVICE
■ 100% TESTED FOR QUIESCENT CURRENT
■ MEETS ALL REQUIREMENTS OF JEDECTENTATIVE
   STANDARDN°13A, ”STANDARD SPE
   CIFICATIONS FOR DESCRIPTION OF ”B”
   SERIES CMOS DEVICES”