RV-8523-C3Real-Time Clock Module with I2C-BusDIMENSIONS
Package:

Recommended Solder Pad:

3,70,8 0,8 0,8 0,80,30,53451098761,40,80,22,50,9 max

3,020,55

10,80,83,7Metal lid is connected to VSS (pin #7)
All dimensions in mm typical

APPLICATIONSDESCRIPTION

IoT
MeteringIndustrial
Automotive
Health Care
Wearables, Portables

The RV-8523-C3 is a SMT Real-Time Clock Module that incorporates
an integrated CMOS circuit together with an XTAL. It operates undervacuum in a hermetically sealed ceramic package with metal lid.
FEATURES
Low power consumption: 130 nA @ 3 V.
Wide operating voltage range: 1.2 V to 5.5 V.
Time accuracy: ±20 ppm @ 25°C.
Operating temperature range: -40 to +85°C.
User programmable offset value.
Automatic Backup Switchover function.
Provides year, month, date, weekday, hours, minutes and seconds.
Automatic leap year calculation: 2000 to 2099.
Timer, Alarm and Watchdog functions.
Clock output frequencies: 32.768 kHz to 1 Hz.
I2C-bus interface: 1 MHz Fast-mode Plus (Fm+).
100% Pb-free, RoHS-compliant.
Automotive qualification according to AEC-Q200 available.

BLOCK DIAGRAM
32.768 kHz
Xtal
FREQUENCY
DIVIDERandOFFSETCOMPENSATIONOSC
CLKOUT
INT_1
INT_2
VDD
VBACKUP
VSS

526

CLKOUT&Interrupt
CONTROL

18

POWER
CONTROL

72

SCL

SDA

3

I C-BUS
2-wire4

SerialInterface

SYSTEMCONTROL
LOGIC

Control 1
Control 2Control 3
Seconds
Minutes
Hours
Days
WeekdaysMonthsYears
Minute Alarm
Hour Alarm
Day Alarm
Weekday Alarm
Frequency Offset
Timer & CLKOUT
Timer A Clock
Timer A
Timer B Clock
Timer B

0003090A0D13ELECTRICAL CHARACTERISTICS
AT 25°C
More detailed information can be found in theApplication Manual.

SymbolCondition

Supply voltage

VDD

I2C-bus active

Min. Typ. Max Unit
1.6

5.5

V

Supply voltage

VDD

Time keeping

1.2

5.5

V

180

nA

Current consumption
Time keeping mode

IDDO

CLKOUT frequency

FCLKOUT

Programmable

32768 to 1

HzFreq. tol. typ./max.

ΔF/F@ 25°C±10 / ±20ppm

Aging first year max.

ΔF/F

@ 25°C±3

I2C-bus inactive,

130

VDD = 3 V1)

ppm

1) Tighter frequency tolerances on request.

ENVIRONMENTAL
CHARACTERISTICSTERMINATIONS AND
PROCESSINGConditions
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 ppmVibration resistance

ΔF/F±5 ppmPIN CONNECTIONSTOP VIEW

Termination

Processing

SON-10Au flashed pads

IPC/JEDEC J-STD-020C
260°C / 20 - 40 s

ΔF/F [ppm]200-20-40-60-80-100-120-140-160-60

T0 = 25°C ±5°C

–0.035*(T-T0)2 ppm ±10%Tuning Fork Crystal-40-20

Product Date Code#10#6M824A18523#1#5Part Designation
Pin 1 Index

ORDERING INFORMATION

20 g / 10–2000 HzPackage

FREQUENCY TEMPERATURE
CHARACTERISTICS

Max. Dev.

020Pin12345678910406080100

T[°C]

Connection
VDD
Power Supply Voltage
INT_1
Interrupt_1 Output
SCL
Serial Clock Input
SDA
Serial Data
CLKOUT Clock Output
INT_2
Interrupt_2 Output
VSS
GroundVBACKUP Backup Supply Voltage
NC
Not connectedNC
Not connected

RV - 8523 - C3 TA QC

Product type

Qualification
QC = Commercial Grade (Standard)
QA = Automotive Grade AEC-Q200

Package size
C3 = 3.7 x 2.5 x 0.9 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 14CH-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