DS3232MZ+TRL

DS3232MZ+TRL is a low-cost, extremely accurate, I2C real-time clock (RTC) with 236 bytes of battery-backed SRAM. The device incorporates a battery input and maintains accurate timekeeping when main power to the device is interrupted. The integration of the microelectromechanical systems (MEMS) resonator enhances the long-term accuracy of the device and reduces the piecepart count in a manufacturing line. The RTC maintains seconds, minutes, hours, day, date, month, and year information. The date at the end of the month is automatically adjusted for months with fewer than 31 days, including corrections for leap year. The clock operates in either the 24-hour or 12-hour format with an AM/PM indicator. Two programmable time-of-day alarms and a 1Hz output are provided. Address and data are transferred serially through an I2C bidirectional bus. Applications include power meters, industrial applications.

• 1Hz frequency tolerance is ±5ppm max at measured over ≥10s interval
• Battery backup for continuous timekeeping, low power consumption
• Functionally compatible to DS3232, two time-of-day alarms
• Reset output and pushbutton input with debounce
• Fast (400KHz) I2C-compatible serial bus
• 2.3V to +4.5V supply voltage
• Underwriters Laboratories (UL) recognized
• 125µA active, 100µA standby typical supply current at VCC=+2.3V to +4.5V, TA=-40°C to +85°C
• 8 SO package
• Temperature range from -40°C to +85°C

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Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.