PT7C4372AWEX

PT7C4372A/4372C Real-time Clock Module (I2C Bus) Features Description                    Table 1. Diverse functions of RTC circuits Item 1 Function Clock PT7C4372A/4372C  2 Clock adjustment  Unit 3.051ppm for 32.768kHz crystal; 3.125ppm for 32.000kHz crystal 3 Period interrupt  Output from /INTA and /INTB 4 Alarm  /INTA: Alarm_A; /INTB: Alarm_B 5 Oscillation detect  6 32-kHz clock output  via /INTB enabled by register 7 I C bus interface with CPU  8 Crystal  External, 32.768kHz or 32.000kHz selectable 2 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