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RV-3028-C7 - Micro Crystal28 30 EEPW 1 EEPROM Backup EEPROM Offset EEPROM Clkout EEPW 3 EEPW 0 EEPWE...

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DIMENSIONS RV-3028-C7 Extreme Low Power RTC Module DESCRIPTION The 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. APPLICATIONS IoT Metering Industrial Automotive Health Care Wearables, 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 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. I 2 C-bus interface: 400 kHz. 100% Pb-free, RoHS-compliant. Automotive qualification according to AEC-Q200 available. BLOCK DIAGRAM EVI INT RESET CLKOUT SCL SDA V SS V DD POWER CONTROL UNIX Time 1 UNIX Time 0 UNIX Time 2 UNIX Time 3 User RAM 1 00 0F Seconds Weekday Control 2 Control 1 Status Timer Status 1 Timer Status 0 Timer Value 1 Weekday Alarm Date Alarm Hours Alarm Minutes Alarm Year Month Hours Minutes Count TS Event Control CLKIM Timer Value 0 Year TS Month TS Minutes TS Seconds TS Hours TS Date 1F 7 5 3 4 1 2 8 I 2 C-BUS INTERFACE SYSTEM CONTROL LOGIC INPUT OUTPUT CONTROL V BACKUP 6 XTAL OSCILLATOR DIVIDER FREQUENCY OFFSET COMPENSATION 10 RAM 20 User RAM 2 PW 2 ID EECMD EEDATA EEADDR PW 1 PW 0 PW 3 RAM 28 30 EEPW 1 EEPROM Backup EEPROM Offset EEPROM Clkout EEPW 3 EEPW 0 EEPWE EEPW 2 Configuration EEPROM with RAM mirror 37 43 Bytes of user EEPROM (00h – 2Ah) User EEPROM Date TS GP Bits Metal lid is connected to V SS (pin #5) All dimensions in mm typical
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Page 1: RV-3028-C7 - Micro Crystal28 30 EEPW 1 EEPROM Backup EEPROM Offset EEPROM Clkout EEPW 3 EEPW 0 EEPWE EEPW 2 Configuration EEPROM with RAM mirror 37 43 Bytes of user EEPROM (00h –

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

Page 2: RV-3028-C7 - Micro Crystal28 30 EEPW 1 EEPROM Backup EEPROM Offset EEPROM Clkout EEPW 3 EEPW 0 EEPWE EEPW 2 Configuration EEPROM with RAM mirror 37 43 Bytes of user EEPROM (00h –

Version 1.1/08.2019

Micro Crystal AG Phone +41 32 655 82 82Muehlestrasse 14 Fax +41 32 655 82 83CH-2540 Grenchen [email protected] 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


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