Post on 27-Dec-2019
DIMENSIONS
RV-3028-C7Extreme Low Power RTC Module
DESCRIPTIONThe RV-3028-C7 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.
APPLICATIONSIoTMeteringIndustrialAutomotiveHealth CareWearables, Portables
Package: Recommended Solder Pad:
0,8
max 0,
15
0,9
3,2
0,4
1,5
0,5
3,2
0,9 0,9 0,9
0,5
0,8
0,8
0,4
FEATURESExtreme 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°CUser 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
EVI
INT
RESET
CLKOUT
SCL
SDA
VSS
VDD
POWERCONTROL
UNIX Time 1UNIX Time 0
UNIX Time 2UNIX Time 3User RAM 1
00
0F
Seconds
Weekday
Control 2Control 1
StatusTimer Status 1Timer Status 0Timer Value 1
Weekday Alarm Date Alarm
Hours Alarm
Minutes Alarm
YearMonth
HoursMinutes
Count TSEvent Control
CLKIM
Timer Value 0
Year TS
Month TS
Minutes TSSeconds TS
Hours TS
Date
1F
7
5
3
4
1
2
8
I2C-BUSINTERFACE
SYSTEMCONTROL
LOGIC
INPUTOUTPUT
CONTROL
VBACKUP6
XTALOSCILLATOR
DIVIDER
FREQUENCYOFFSET
COMPENSATION
10
RAM20User RAM 2
PW 2
IDEECMDEEDATAEEADDR
PW 1PW 0
PW 3
RAM
28
30
EEPW 1
EEPROM BackupEEPROM OffsetEEPROM Clkout
EEPW 3
EEPW 0EEPWE
EEPW 2
Configuration EEPROMwith RAM mirror
37
43 Bytes of user EEPROM
(00h – 2Ah)
User EEPROM
Date TS
GP Bits
Metal lid is connected to VSS (pin #5)
All dimensions in mm typical
Version 1.1/08.2019
Micro Crystal AG Phone +41 32 655 82 82Muehlestrasse 14 Fax +41 32 655 82 83CH-2540 Grenchen sales@microcrystal.comSwitzerland www.microcrystal.com
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)
Temperature rangePackage sizeTA = -40 to +85°C (Standard)
QualificationQC = Commercial Grade (Standard)QA = Automotive Grade AEC-Q200Product type
RTC module
C7 = 3.2 x 1.5 x 0.8 mm
RV - 3028 - C7 TA QC
TERMINATIONS ANDPROCESSING
Package Termination Processing
SON-8 Au flashed pads IPC/JEDEC J-STD-020C260°C / 20 - 40 s
ORDERING INFORMATION
All specifications subject to change without notice.
ENVIRONMENTAL CHARACTERISTICS
Conditions Max. Dev.Storage temp. 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 20 g / 10–2000 Hz ±5 ppm
ELECTRICAL CHARACTERISTICS AT 25°CMore detailed information can be found in the Application Manual.
Symbol Condition Min. Typ. Max UnitSupply voltage VDD Time keeping 1.1 5.5 V
Supply voltage VDD I2C-bus active 1.2 5.5 V
Current consumption Time keeping mode IDDO
I2C-bus inactive, VDD = 3 V 45 60 nA
CLKOUT frequency FCLKOUT Programmable 32768...to...1 Hz
Time accuracy Δt/t @ 25°C ±1 ppm
Aging first year max. ΔF/F @ 25°C ±3 ppm
PIN CONNECTIONS TOP VIEW
M742A13028
#1 #4
#5#8
Pin 1 Index
Product Date Code
Part Designation
Pin Connection1 CLKOUT Clock Output2 INT Interrupt Output3 SCL Serial Clock Input4 SDA Serial Data5 VSS Ground6 VBACKUP Backup Supply Voltage7 VDD Power Supply Voltage8 EVI Event Input
-160-140-120-100-80-60-40-20
020
-60 -40 -20 0 20 40 60 80 100
ΔF/
F [p
pm]
T[°C]
T0 = 25°C ±5°C
–0.035*(T-T0)2 ppm ±10%
Tuning Fork Crystal
FREQUENCY TEMPERATURECHARACTERISTICS