www.
DataSheet4U.
com HT1612 Timer with Dialer Interface Features • • • • Operating voltage: 1.
2V~1.
7V Dialing number and conversation time display Conversation timer (Max.
to 59 mins and 59 secs) Operation current: 10µA (Typ.
) • • • 32768Hz crystal 8 or 10 digits LCD display driver, 3V, 1/2 bias, 1/3 duty (8 digits hand-held calculator LCD is used for 8 digits application) Built-in dialer interface Applications • • Timers LCD display drivers • • Telephone display interface Instrument display General Description The HT1612 is a CMOS chip designed for dialer interface which drives 8 or 10 digits LCD.
Various functions, such as displaying dialing number and conversation time, are provi...

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