RV-3049-C3
DIMENSIONS
Package:
3,7
0,8
1
2
3
Real-Time Clock Module with SPI-Bus
Recommended Solder Pad:
0,8 0,8 0,8 0,8
0,3
4
5
0,5
0,8
0,55
1,4
0,2
2,5
0,9 max
3,7
Metal lid is connected to V
SS
(pin #6)
All dimensions in mm typical
APPLICATIONS
IoT
Metering
Industrial
Portables
Automotive
Health Care
DESCRIPTION
The RV-3049-C3 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.
FEATURES
Low power consumption: 800 nA @ 3 V.
Wide operating voltage range: 1.3 V to 5.5 V.
Time accuracy, temp. compensated: Option A: -40 to +85°C, ±6 ppm,
Option B: -40 to +85°C, ±25 ppm.
Extended operating temperature range: -40 to +125°C.
Automatic Backup Switchover and Trickle Charger function.
Provides year, month, weekday, date, hours, minutes and seconds.
Timer and Alarm functions.
Clock output frequencies: 32.768 kHz, 1024 Hz, 32 Hz, 1 Hz.
2 bytes non-volatile user memory, 8 bytes user RAM.
SPI-bus interface: 4-wire, 1 MHz.
100% Pb-free, RoHS-compliant.
Automotive qualification according to AEC-Q200 available.
BLOCK DIAGRAM
32.768 kHz
Xtal
OSC
CLKOUT
CLKOE
INT
V
DD
V
BACKUP
V
SS
3
1
7
2
9
6
SYSTEM
CONTROL
LOGIC
OUTPUT
CONTROL
DIVIDER
and
TEMPERATURE
COMPENSATION
LOGIC
POWER
CONTROL
CE
SCL
SDO
SDI
8
4
5
10
SPI-BUS
4 -wire
Serial
Interface
TEMPERATURE
SENSOR
Control_1
Control_INT
Control_INT-Flags
Control_Status
Control_Reset
Seconds
Minutes
Hours
Date
Weekday
Month
Year
Seconds Alarm
Minutes Alarm
Hours Alarm
Date Alarm
Weekday Alarm
Month Alarm
Year Alarm
Timer Low
Timer High
Temperature °C
2 Bytes of
user EEPROM
EE Ctrl
XTAL Offset
XTAL Coef
XTAL T0
8 Bytes of
user RAM
0,8
10
9
8
7
6
3,0
00
08
10
18
20
28
29
30
38
3F
ELECTRICAL CHARACTERISTICS
AT 25°C
More detailed information can be found in the
Application Manual.
Symbol
Supply voltage
Supply voltage
Current consumption
Time keeping mode
Time acc. Opt. A / B
Aging first year max.
V
DD
V
DD
I
DDO
Δt/t
ΔF/F
Condition
Time keeping
Thermom. active
SPI-bus inactive,
V
DD
= 3 V
–40 to +85°C
@ 25°C
Min. Typ. Max Unit
1.3
2.1
800
±6 / ±25
±3
Conditions
5.5
5.5
1000
V
V
nA
ppm
ppm
Max. Dev.
ENVIRONMENTAL
CHARACTERISTICS
Storage temp. range
TA Operating temperature range
TB Extended oper. temp. range
Shock resistance
Vibration resistance
TERMINATIONS AND
PROCESSING
FREQUENCY TEMPERATURE
CHARACTERISTICS
Δt/t [ppm]
–55 to +125°C
–40 to +85°C
–40 to +125°C
ΔF/F
5000 g, 0.3 ms, ½ sine
ΔF/F
Termination
Au flashed pads
T
0
= 25°C ±5°C
±5 ppm
±5 ppm
20 g / 10–2000 Hz
Package
SON-10
50
0
-50
-100
-150
-200
-250
-300
-350
-50
-30
-10
Processing
IPC/JEDEC J-STD-020C
260°C / 20 - 40 s
Opt. A
Opt. B
Time accuracy
–0.035*(T-T
0
) ppm ±10%
2
Xtal 32.768 kHz
Tuning Fork Crystal
10
30
50
70
90
110
130
T[°C]
PIN CONNECTIONS
TOP VIEW
Product Date Code
#10
#6
M921A1
3049
#1
#5
Part Designation
Pin 1 Index
1
2
3
4
5
6
7
8
9
10
Pin
CLKOE
V
DD
CLKOUT
SCL
SDO
V
SS
INT
CE
V
BACKUP
SDI
Connection
Clock Output Enable
Power Supply Voltage
Clock Output
Serial Clock Input
Serial Data Output
Ground
Interrupt Output
Chip Enable
Backup Supply Voltage
Serial Data Input
ORDERING INFORMATION
RV - 3049 - C3 Option A TA QC
RTC module
Product type
Package size
C3
= 3.7 x 2.5 x 0.9 mm
Time accuracy
Option A
= ±6 ppm @ -40°C to +85°C
Option B
= ±25 ppm @ -40°C to +85°C
Qualification
QC
= Commercial Grade (Standard)
QA
= Automotive Grade AEC-Q200
Temperature range
TA
= -40 to +85°C (Standard)
TB
= -40 to +125°C
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
Fax
+41 32 655 82 83
sales@microcrystal.com
www.microcrystal.com
Version 5.0/05.2019
嵌入式系统
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