HT1613C

www.DataSheet4U.com HT1613C Timer with Dialer Interface Patent Number: 84545 (R.O.C.) Patent Pending: 08/214, 079 (U.S.A.) · Uses 32768Hz crystal · Two-button sequential operation for real time clock Features · Operating voltage: 1.2V~1.7V · Low operating current: 3mA (typ.) · Dialing number and conversation time display · Conversation timer (59 mins and 59 secs max.) · 8 or 10-digit LCD display driver; 3V, 1/2 bias, 1/3 duty (8 setting · Pad options - Real time (RT) - Auto change to timer mode (ACT) - Extension phone number display (EPN) digit hand-held calculator LCD used for 8-digit application) · Real time clock with stopwatch · Built-in dialer interface · 12-hour or 24-hour format · Blinking cursor waits for dialing number · Last call time display Applications · Timers, clocks and watches · LCD display drivers · Telephone display interface · Instrument display General Description The HT1613C is a CMOS chip designed for dialer interfaces driving 8 or 10 digit LCDs. Various functions, such as real time clock, dialing number and conversation time display are provided. The HT1613C can display the real time or be blank by default. When answering a telephone call, the timer is activated to tell users how long the conversation has taken. The HT1613C receives dialing data from the dialer and displays the phone number on the LCD from left to right each time a phone call is made. By adding a TIMER key, the HT1613C can provide the stopwatch and timer reset/hold functions....