Catalog excerpts
RV-3029-C2 Real Time Clock Module with I2C-Bus DIMENSIONS Package: 100% leadfree, RoHS - compliant Extremely Accurate RTC Module with embedded Xtal. I2C Interface Temperature Compensation Automotive qualified, according to AEC-Q200 Rev. C Option A: Temperature Time Deviation @ +25°C ± 0.26 s/day 0°C to +50°C ± 0.35 s/day -10°C to +60°C ± 0.44 s/day -40°C to +85°C ± 0.52 s/day -40°C to +125°C ± 0.70 s/day Default Time Deviation ± 0.26 s/day ± 3ppm ± 0.44 s/day ± 5ppm ± 0.87 s/day ±10ppm ± 2.17 s/day ±25ppm DESCRIPTION: The RV-3029-C2 is a Real-Time-Clock Module with embedded Crystal. This RTC has an I2C Bus (2-wire Serial-Interface) and offers temperature compensated time. The STC-Smart Temperature Compensation is calibrated in the factory and leads to a very high time-accuracy of ± 6ppm from -40°C to +85°C and ± 8ppm from -40°C to +125°C. Beside standard RTC functions, it includes a Backup-Battery Input with internal switchover function, a programmable Trickle-charge circuitry, an integrated Temperature Sensor with digital-output and offers 8 Bytes RAM and 2 Bytes EEPROM for customer's application. The calendar function tracks year and leap -year ags. The clock tracks second, minute and hour in 24-hour format. Programmable alarm setting and universal timer functions increase exibility. For pick-and-place equipment, the parts are available in 12 mm tape: 7” (178 mm) reel with 1'000 parts 13” (330 mm) reel with 5'000 parts BLOCKDIAGRAM: 32.768 kHz Xtal DIVIDER and TEMPERATURE COMPENSATION LOGIC CLKOUT CLKOE OUTPUT CONTROL POWER CONTROL SYSTEM CONTROL LOGIC Serial Interface TEMPERATURE SENSOR On / OFF Ctrl IRQ Ctrl IRQ Flags Status Rst Ctrl Seconds Minutes Hours Date Weekday Month Year Seconds Alarm Minutes Alarm Hour Alarm Day Alarm Weekday Alarm Month Alarm Year Alarm Timer Low Timer High Temperature °K User EEPROM 2 Bytes EE Ctrl Xtal Deviation Xtal Temp-Coef Xtal T0 Temp User RAM 8 Byte User RAM
Open the catalog to page 1Time keeping Supply voltage Temp. comp. Current consumption Supply voltage CLKOUT frequency F/F F/FTOPR Frequency Tolerance ENVIRONMENTAL CHARACTERISTICS: Conditions Storage temp. range TA Operating temperature range TB Extended oper. temp. range Shock resistance Vibration resistance PACKAGE, TERMINATIONS AND PROCESSING: For SMD mounting Au plated pads FREQUENCY TEMPERATURE CHARACTERISTICS: Connection Power Supply Voltage VDD CLKOUT Frequency Output N.C. not connected SCL Serial Clock Input SDA Serial Data Ground VSS INT Interrupt Output VBACKUP Backup Supply Voltage N.C. not connected...
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