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”