PT7C4337ACSE

PT7C4337A/4337AC 2 Real-time Clock Module (I C Bus) Features Description                  Table 1. Basic functions of PT7C4337A/4337AC Item Function PT7C4337A PT7C4337AC External crystal Integrated Crystal Oscillator enable/disable   Oscillator fail detect   12-hour   24-hour   Century bit   Time count chain enable/disable   Alarm interrupt output 2 2 1, 4.096k, 8.192k, 32.768k 1, 4.096k, 8.192k, 32.768k   Source 1 Oscillator Crystal(32.768KHz) Time display 2 Time 3 Interrupt 4 Programmable square wave output (Hz) 5 Communication 2-wire I2C bus 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