HT1613C - Holtek Semiconductor

HT1613C Timer

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. Th.

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 watch.