QUARTZ_MOTOR_WRISTWATCH

Published:2009/7/1 2:19:00 Author:May | From:SeekIC

Uses one 32.768-kHz crystal at input of Motorola MTD 160F or 161F custom CMOS chip,Mith stepper motor at output of chip fordriving conventional watch hands. Chip contains three-inverter oscillator, 16 counting flip-flops, and motor drive buffers.-B. Furlow, CMOS Gates in Linear Applications: The Results Are Surprisingly Good, EDN Magazine, March 5, 1973, p 42-48.



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