上海霖叶微电子有限公司

· Internal voltage regulator is electrically programmablefor various LCD voltages· Time calibration is electrically programmable(no trimming capacitor required)· LCD voltage adjusts with temperature for good contrast· 4.19 MHz oscillator· 12-hour or 24-hour mode· Operating ambient temperature: -40 to +85 °C· 28-lead plastic SMD (SO28)· 1 Hz set mode.