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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 ...
