RV-3149-C3

APPLICATIONS IoT Metering Industrial Portables Automotive Health Care BLOCK DIAGRAM RV-3149-C3 Real-Time Clock Module with SPI-Bus DIMENSIONS Package: 3,7 0,8 0,3 Recommended Solder Pad: 0,8 0,8 0,8 0,8 0,5 1 2 3 4 5 0,8 1,4 0,8 3,0 0,55 2,5 0,9 max 10 9 8 7 6 0,2 3,7 Metal lid is connected to VSS (pin #6) All dimensions in mm typical DESCRIPTION The RV-3149-C3 is a SMT Real-Time Clock Module that incorporates an integrated CMOS circuit together with an XTAL. It operates under vacuum in a hermetically sealed ceramic package with metal lid. FEATURES Low power consumption: 800 nA @ 3 V. Wide operating voltage range: 1.3 V to 5.5 V. Time accuracy, temp. compensated: Option A: -40 to +85°C, ±6 ppm, Option B: -40 to +85°C, ±25 ppm. Extended operating temperature range: -40 to +125°C. Automatic Backup Switchover and Trickle Charger function. Provides year, month, weekday, date, hours, minutes and seconds. Timer and Alarm functions. Clock output frequencies: 32.768 kHz, 1024 Hz, 32 Hz, 1 Hz. 2 bytes non-volatile user memory, 8 bytes user RAM. SPI-bus interface: 4-wire, 1 MHz. 100% Pb-free, RoHS-compliant. Automotive qualification according to AEC-Q200 available. CLKOUT CLKOE INT VDD VBAC KU P VSS CE SCL SDO SDI 32.768 kHz Xtal OSC 3 1 OUTPUT CONTROL 7 2 9 POWER CONTROL 6 8 SPI - BUS 4 4 -wire 5 Serial 10 Interface DIVIDER and TEMPERATURE COMPENSATION LOGIC SYSTEM CONTROL LOGIC TEMPERATURE SENSOR Control_1 00 Control_INT Cont...