PT7C43190WE

PT7C43190 Real-time Clock Module Features Description               Applications         。 Function Table Item 1 Function PT7C43190 Oscillator Source 2 Time 12-hour Time display 24-hour 3 Interrupt 4 Programmable square wave output (Hz) 5 Commun ication 6 Control Crystal * Alarm interrupt pin output Timer interrupt output    2  1Hz,2Hz,4Hz 8Hz,16Hz 32kHz 3-wire bus  Burst mode  IC test mode  Power-on detector  Power supply voltage detector  7 Clock calibration  80 Free register access  Notes: 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS), 2011/65/EU (RoHS 2) & 2015/863/EU (RoHS 3) compliant. 2. See https://www.diodes.com/quality/lead-free/ for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green" and Lead-free. 3. Halogen- and Antimony-free "Green” products are defined as those which contain