PT7C4337UE

PT7C4337 2 Real-time Clock Module (I C Bus) Features Description             - Table 1. Basic Functions of PT7C4337 Item Function PT7C4337 Source Crystal(32.768KHz) Oscillator enable/disable Oscillator fail detect 12-hour Time display 24-hour Century bit 1 Oscillator 2 Time 3 4 5 Time count chain enable/disable Interrupt Alarm interrupt output Programmable square wave output (Hz) Communication 2-wire I2C bus External crystal     Not Supported  2 1, 4.096k, 8.192k, 32.768k  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