RV-3149-C3-EVALUATION-BOARD-OPTION-B

RV-3149-C3 Real-Time Clock Module with SPI-Bus DIMENSIONS Package: Recommended Solder Pad: 3,7 0,8 0,8 0,8 0,8 0,3 0,5 3 4 5 10 9 8 7 6 1,4 0,8 0,2 2,5 0,9 max 3,0 2 0,55 1 0,8 0,8 3,7 Metal lid is connected to VSS (pin #6) All dimensions in mm typical APPLICATIONS IoT Metering Industrial Portables Automotive Health Care 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. BLOCK DIAGRAM 32.768 kHz Xtal DIVIDER and TEMPERATURE COMPENSATION LOGIC OSC CLKOUT CLKOE INT VDD VBACKUP VSS CE SCL SDO SDI 3 1 7 OUTPUT CONTROL 2 9 POWER CONTROL 6 8 4 5 10 SYSTEM CONTROL LOGIC SPI-BUS 4 -wire Serial Interface TEMPERATURE SENSOR Control_1 Control_INT Control_INT-Flags Control_Status Control_Reset Seconds Minutes Hours Date Weekday Month Year Seconds Alarm Minutes Alarm Hours Alarm Date Alarm Weekday Alarm Month Alarm Year Alarm Timer Low Timer High Temperature °C 2 Bytes of user EEPROM EE Ctrl XTAL Offset XTAL Coef XTAL T0 8 Bytes of user RAM 00 08 10 18 20 28 29 30 38 3F ELECTRICAL CHARACTERISTICS AT 25°C More detailed information can be found in the Application Manual. Symbol Condition Supply voltage VDD Time keeping 1.3 5.5 V Supply voltage VDD Thermom. active 2.1 5.5 V Current consumption Time keeping mode IDDO SPI-bus inactive, VDD = 3 V 800 1000 nA Time acc. Opt. A / B Δt/t –40 to +85°C ±6 / ±25 ppm Aging first year max. ΔF/F @ 25°C ±3 ppm ENVIRONMENTAL CHARACTERISTICS Conditions Storage temp. range –55 to +125°C –40 to +85°C TB Extended oper. temp. range –40 to +125°C Shock resistance ΔF/F 5000 g, 0.3 ms, ½ sine Vibration resistance ΔF/F PROCESSING FREQUENCY TEMPERATURE ±5 ppm Termination Processing SON-10 Au flashed pads IPC/JEDEC J-STD-020C 260°C / 20 - 40 s T0 = 25°C ±5°C 0 Δt/t [ppm] 20 g / 10–2000 Hz ±5 ppm Package 50 CHARACTERISTICS Opt. A Opt. B -50 Time accuracy -100 –0.035*(T-T0)2 ppm ±10% -150 -200 -250 -350 -50 Xtal 32.768 kHz Tuning Fork Crystal -300 -30 -10 10 Product Date Code #10 #6 M826A1 3149 #1 #5 Part Designation Pin 1 Index ORDERING INFORMATION Max. Dev. TA Operating temperature range TERMINATIONS AND PIN CONNECTIONS TOP VIEW Min. Typ. Max Unit 30 50 Pin 1 2 3 4 5 6 7 8 9 10 70 90 110 130 T[°C] Connection CLKOE VDD CLKOUT SCL SDO VSS INT CE VBACKUP SDI Clock Output Enable Power Supply Voltage Clock Output Serial Clock Input Serial Data Output Ground Interrupt Output Chip Enable Backup Supply Voltage Serial Data Input RV - 3149 - C3 Option A TA QC Qualification QC = Commercial Grade (Standard) QA = Automotive Grade AEC-Q200 RTC module Product type Package size C3 = 3.7 x 2.5 x 0.9 mm Time accuracy Option A = ±6 ppm @ -40°C to +85°C Option B = ±25 ppm @ -40°C to +85°C Temperature range TA = -40 to +85°C (Standard) TB = -40 to +125°C A unique part number will be generated for each product specification, i.e: 20xxxx-MG01 1'000 pcs (in 12 mm tape on 7" reel) 20xxxx-MG03 3'000 pcs (in 12 mm tape on 7" reel) All specifications subject to change without notice. Micro Crystal AG Muehlestrasse 14 CH-2540 Grenchen Switzerland Phone +41 32 655 82 82 Fax +41 32 655 82 83 sales@microcrystal.com www.microcrystal.com Version 5.0/07.2018