Features: · Driving standard 31¤2-digit LCD with AM and PM indicators· Internal voltage regulator for 5 V LCD· Option for external stabilized voltage supply· 4.19 MHz oscillator· Integrated oscillator output capacitor and polarization resistor· Operating ambient temperature: -40 to +85 °C· 40-lead...
PCF1172C: Features: · Driving standard 31¤2-digit LCD with AM and PM indicators· Internal voltage regulator for 5 V LCD· Option for external stabilized voltage supply· 4.19 MHz oscillator· Integrated oscillat...
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The PCF1172C is a single chip, 4.19 MHz CMOS clock circuit indicating hours and minutes. It is designed to drive a 31¤2-digit liquid crystal display (LCD) with AM and PM indicators.
Two external single-pole, single-throw switches of PCF1172C will accomplish all time setting functions. The circuit is battery-operated via an internal 5 V voltage regulator or by an external stabilized voltage supply.