View pcf1172c 2 datasheet:

INTEGRATED CIRCUITS DATA SHEET PCF1172C 31/2-digit LCD car clock 1997 Apr 16 Product specification Supersedes data of September 1993 File under Integrated Circuits, IC16 Philips Semiconductors Product specification 31/2-digit LCD car clock PCF1172C FEATURES GENERAL DESCRIPTION • Driving standard 31?2-digit LCD with AM and PM The PCF1172C is a single chip, 4.19 MHz CMOS clock indicators circuit indicating hours and minutes. It is designed to drive a 31?2-digit liquid crystal display (LCD) with AM and PM • Internal voltage regulator for 5 V LCD indicators. • Option for external stabilized voltage supply Two external single-pole, single-throw switches will • 4.19 MHz oscillator accomplish all time setting functions. The circuit is • Integrated oscillator output capacitor