RV-3028-C7 32.768KHZ 1PPM TA QC

RV-3028-C7 Extreme Low Power RTC Module DIMENSIONS Package: Recommended Solder Pad: 0,9 3,2 0,9 0,9 0,9 0,8 0,4 0,5 1,5 0,8 0,5 0,4 0,8 max 0,15 3,2 Metal lid is connected to VSS (pin #5) All dimensions in mm typical APPLICATIONS IoT Metering Industrial Automotive Health Care Wearables, Portables DESCRIPTION The RV-3028-C7 is a SMD 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 Extreme low power consumption: 45 nA @ 3 V. Wide operating voltage range: 1.1 V to 5.5 V. Time accuracy: Factory calibrated to ±1 ppm @ 25°C User progr. password for write protection of time and configuration. Non-volatile configuration settings with user programmable offset value. Automatic Backup Switchover and Trickle Charger function. Provides year, month, date, weekday, hours, minutes, seconds, UNIX. Timer, Alarm and External event input with Time Stamp function. Clock output: 32.768 kHz, 8192 Hz, 1024 Hz, 64 Hz, 32 Hz, 1 Hz. 43 bytes non-volatile user memory, 2 bytes user RAM. I2C-bus interface: 400 kHz. 100% Pb-free, RoHS-compliant. Automotive qualification according to AEC-Q200 available. BLOCK DIAGRAM VBACKUP VDD VSS SCL SDA 6 POWER CONTROL 7 5 3 4 I2C-BUS INTERFACE FREQUENCY OFFSET COMPENSATION DIVIDER XTAL OSCILLATOR CLKOUT INT EVI 1 2 8 INPUT OUTPUT CONTROL RESET SYSTEM CONTROL LOGIC RAM Seconds Minutes Hours Weekday Date Month Year Minutes Alarm Hours Alarm Weekday Alarm Date Alarm Timer Value 0 Timer Value 1 Timer Status 0 Timer Status 1 Status Control 1 Control 2 GP Bits CLKIM Event Control Count TS Seconds TS Minutes TS Hours TS Date TS Month TS Year TS UNIX Time 0 UNIX Time 1 UNIX Time 2 UNIX Time 3 User RAM 1 00 RAM User RAM 2 PW 0 PW 1 PW 2 PW 3 EEADDR EEDATA EECMD ID 20 28 Configuration EEPROM with RAM mirror 0F 10 EEPWE EEPW 0 EEPW 1 EEPW 2 EEPW 3 EEPROM Clkout EEPROM Offset EEPROM Backup User EEPROM 43 Bytes of user EEPROM (00h – 2Ah) 1F 30 37 ELECTRICAL CHARACTERISTICS AT 25°C More detailed information can be found in the Application Manual. Symbol Condition Supply voltage VDD Time keeping 1.1 5.5 V Supply voltage VDD I C-bus active 1.2 5.5 V 60 nA 2 Current consumption Time keeping mode IDDO CLKOUT frequency FCLKOUT Programmable 32768...to...1 Hz Δt/t @ 25°C ±1 ppm ΔF/F @ 25°C ±3 ppm Time accuracy Aging first year max. I2C-bus inactive, VDD = 3 V ENVIRONMENTAL CHARACTERISTICS TERMINATIONS AND PROCESSING 45 Conditions Max. Dev. Storage temperature range –55 to +125°C TA Operating temperature range –40 to +85°C Shock resistance ΔF/F 5000 g, 0.3 ms, ½ sine ±5 ppm Vibration resistance ΔF/F ±5 ppm 20 g / 10–2000 Hz Package Termination Processing SON-8 (DFN-8) Au flashed pads IPC/JEDEC J-STD-020C 260°C / 20 - 40 s FREQUENCY TEMPERATURE ΔF/F [ppm] CHARACTERISTICS PIN CONNECTIONS TOP VIEW 20 0 -20 -40 -60 -80 -100 -120 -140 -160 -60 T0 = 25°C ±5°C –0.035*(T-T0)2 ppm ±10% Tuning Fork Crystal -40 -20 Product Date Code #8 #5 M039A1 3028 #1 #4 Part Designation Pin 1 Index ORDERING INFORMATION Min. Typ. Max Unit 0 20 40 Pin 1 2 3 4 5 6 7 8 60 80 100 T[°C] Connection CLKOUT Clock Output INT Interrupt Output SCL Serial Clock Input SDA Serial Data VSS Ground VBACKUP Backup Supply Voltage VDD Power Supply Voltage EVI Event Input RV - 3028 - C7 TA QC Product type Qualification QC = Commercial Grade (Standard) QA = Automotive Grade AEC-Q200 Package size C7 = 3.2 x 1.5 x 0.8 mm Temperature range TA = -40 to +85°C (Standard) RTC module 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 sales@microcrystal.com www.microcrystal.com Version 1.3/09.2021