MC14520B

CMOS Dual 4-Bit Synchronous Binary Up-Counter, standard 16-pin plastic dual-in-line package footprint manufactured by Motorola. Houses two completely separate binary counters featuring independent clock and clear controls to coordinate rapid multi-stage sequential up-counting steps. Applied in high-density clock generation, automated industrial interval tracking, and multi-stage frequency scaling. Industry exact equivalents include Motorola MC14520B, Texas Instruments CD4520BE, Fairchild MM4520CN, and NTE4520B. Historical equipment applications include the Rowe AMI R-84 jukebox, Cinematronics Space Wars cabinet, Roland Jupiter-8 synthesizer, Bally Xenon pinball machine, and Atari Centipede board.