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M41TC8025 Datasheet(PDF) 1 Page - STMicroelectronics |
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M41TC8025 Datasheet(HTML) 1 Page - STMicroelectronics |
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1 / 41 page  This is information on a product in full production. May 2013 DocID022873 Rev 4 1/41 41 M41TC8025 Highly accurate, temperature-compensated serial real-time clock (RTC) with embedded crystal Datasheet - production data Features Embedded high-stability 32 KHz DTCXO Accuracy: ±3.8 ppm max from 0 to 50°C Supply voltage: 1.6 to 5.5 V Current: 0.8 μA typical at 3.0 V 400 kHz I2C interface Time-of-day alarm (with interrupt) Fixed-cycle timer interrupt function Time update interrupt function Programmable frequency output: 1 Hz, 1 KHz and 32 KHz Registers for seconds, minutes, hours, day-of- week, date (day of month), month and year with automatic leap year compensation Programmable temperature compensation intervals: 0.5 s, 2 s (default), 10 s, 30 s Applications Power meters Industrial applications Description The M41TC8025 is a serial I2C real-time clock (RTC) incorporating temperature compensation to maintain accurate timekeeping over the extended temperature range of -45 to +70 °C or the industrial temperature range of -40 to +85 °C. In addition to providing date and time (seconds, minutes, hours, day-of-week, date (day of month), month and year), the device also provides an alarm function, fixed-cycle timer, time update interrupt and programmable frequency outputs (1 Hz, 1 KHz and 32 KHz). The M41TC8025 is provided in a 200-mil, 14-pin SOIC package. SO14 14-pin SOIC Table 1. Device summary Order code Accuracy Package M41TC8025AMC6F ±5.0 ppm (-40 to 85 °C) ±3.8 ppm (0 to 50 °C) SO14 M41TC8025CMC7F(1) 1. Contact local ST sales office for availability. ±5.0 ppm (-45 to 70°C) ±3.8 ppm (0 to 50 °C) SO14 www.st.com Obsolete Product(s) - Obsolete Product(s) |
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