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HT1612

Timer with Dialer Interface

GeneralDescription TheHT1612isaCMOSchipdesignedfordialerinterfacewhichdrives8or10digitsLCD.Variousfunctions,suchasdisplayingdialingnumberandconversationtime,areprovided. Itnormallyshowsblanks.Thetimerisstartedtotellusershowlongtheconversationtimeh

HT1612

Timer with Dialer Interface; ? Operating voltage: 1.2V~1.7V\n? Dialing number and conversation time display\n? Conversation timer (Max. to 59 mins and 59 secs)\n? Operation current: 10μA (Typ.)\n? 32768Hz crystal\n? 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)\n? Built-in dialer interfaceApplications\n? Timers\n? LCD display drivers\n? Telephone display interface\n? Instrument display;

General Description\nThe 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 provided.\nIt normally shows blanks. The timer is started to tell users how long the conversation time has been taken when answering a telephone call.\nAfter hanging up the telephone, it returns to show blanks immediately. Whenever makeing a phone call, the HT1612 receives dialing data from the dialer and displays the phone number from left to right on the LCD. However, if there is no dialing action within 10 seconds, it restarts the timer again. By adding a TIMER key, the HT1612 can provide the timer reset/hold functions (refer to functional description for more details).

IMEP1612

Panneauxinterieurs

IPM-1612

MiniatureIntegratedPowerMonitor

ISD1612B

Single-MessageSingle-Chip6.6-to40-SecondVoiceRecord&PlaybackDeviceswithvAlertOption