RV-3028-C7 Extreme Low Power RTC Module DIMENSIONS Package: Recommended Solder Pad: 0,9 0,9 0,9 3,2 0,9 0,5 0,4 3,2 Metal lid is connected to V (pin 5) SS All dimensions in mm typical APPLICATIONS DESCRIPTION IoT The RV-3028-C7 is a SMD Real-Time Clock Module that incorporates Metering an integrated CMOS circuit together with an XTAL. It operates under Industrial vacuum in a hermetically sealed ceramic package with metal lid. Automotive Health Care FEATURES Wearables, Portables 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 25C User progr. password for write protection of time and configuration. Non-volatile configuration settings with u ser 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. 2 I C-bus interface: 400 kHz. 100% Pb-free, RoHS-compliant. Automotive qualification according to AEC-Q200 available. BLOCK DIAGRAM 6 V POWER BACKUP CONTROL RAM RAM 7 V DD Seconds 00 User RAM 2 20 5 Minutes PW 0 V SS Hours PW 1 Weekday PW 2 Date PW 3 Month EEADDR 3 Year EEDATA SCL 2 I C-BUS Minutes Alarm EECMD 4 INTERFACE Hours Alarm 28 ID SDA Weekday Alarm Date Alarm Configuration EEPROM Timer Value 0 with RAM mirror Timer Value 1 FREQUENCY 30 Timer Status 0 EEPWE OFFSET Timer Status 1 EEPW 0 COMPENSATION Status EEPW 1 SYSTEM Control 1 0F EEPW 2 CONTROL DIVIDER Control 2 10 EEPW 3 LOGIC GP Bits EEPROM Clkout XTAL CLKIM EEPROM Offset 37 OSCILLATOR Event Control EEPROM Backup Count TS Seconds TS Minutes TS User EEPROM 1 Hours TS CLKOUT Date TS INPUT 2 Month TS OUTPUT INT Year TS 43 Bytes of CONTROL 8 user EEPROM UNIX Time 0 EVI UNIX Time 1 (00h 2Ah) UNIX Time 2 UNIX Time 3 User RAM 1 1F RESET 0,4 0,8 max 1,5 0,15 0,5 0,8 0,8ELECTRICAL CHARACTERISTICS Symbol Condition Min. Typ. Max Unit AT 25C Supply voltage V Time keeping 1.1 5.5 V DD More detailed information can be found in the 2 Application Manual. Supply voltage V I C-bus active 1.2 5.5 V DD 2 Current consumption I C-bus inactive, I 45 60 nA DDO Time keeping mode V = 3 V DD CLKOUT frequency F Programmable 32768...to...1 Hz CLKOUT Time accuracy t/t 25C 1 ppm Aging first year max. F/F 25C 3 ppm ENVIRONMENTAL Conditions Max. Dev. CHARACTERISTICS Storage temperature range 55 to +125C TA Operating temperature range 40 to +85C Shock resistance 5000 g, 0.3 ms, sine 5 ppm F/F Vibration resistance F/F 20 g / 102000 Hz 5 ppm TERMINATIONS AND Package Termination Processing PROCESSING IPC/JEDEC J-STD-020C SON-8 (DFN-8) Au flashed pads 260C / 20 - 40 s 20 FREQUENCY TEMPERATURE T = 25C 5C 0 0 CHARACTERISTICS -20 -40 -60 2 -80 0.035*(T-T ) ppm 10% 0 -100 -120 -140 Tuning Fork Crystal -160 -60 -40 -20 0 20 40 60 80 100 T C PIN CONNECTIONS TOP VIEW Product Date Code Pin Connection 1 CLKOUT Clock Output 8 5 2 INT Interrupt Output 3 SCL Serial Clock Input M039A1 4 SDA Serial Data 3028 5 V Ground SS 6 V Backup Supply Voltage BACKUP 1 4 7 V Power Supply Voltage DD Part Designation 8 EVI Event Input Pin 1 Index ORDERING INFORMATION RV - 3028 - C7 TA QC RTC module Qualification QC = Commercial Grade (Standard) Product type QA = Automotive Grade AEC-Q200 Package size Temperature range C7 = 3.2 x 1.5 x 0.8 mm TA = -40 to +85C (Standard) 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 Phone +41 32 655 82 82 Muehlestrasse 14 sales microcrystal.com CH-2540 Grenchen www.microcrystal.com Switzerland Version 1.3/09.2021 F/F ppm