RV-3029-C2
Real Time Clock Module with I2C-Bus
M I C R O C R Y S TA L S W I T Z E R L A N D
DIMENSIONS
Package:
Recommended Solder Pad:
1,0
1,0
1,0
1,0
5,0 ± 0,2
0,6
0,4
4,0
0,9
3,2
2,2
0,35
± 0,2
0,9
1,0
max.1,2
0,6
4,6
100% leadfree, RoHS - compliant
Extremely Accurate RTC Module
with embedded Xtal.
I2C Interface
Temperature Compensation
Automotive qualified, according to
AEC-Q200 Rev. C
Option A:
Temperature
Calibrated
Time Deviation
@ +25°C
± 0.26 s/day
0°C to +50°C
± 0.35 s/day
-10°C to +60°C ± 0.44 s/day
-40°C to +85°C ± 0.52 s/day
-40°C to +125°C ± 0.70 s/day
Option B:
Temperature
@ +25°C
0°C to +50°C
-10°C to +60°C
-40°C to +85°C
±
±
±
±
±
3ppm
4ppm
5ppm
6ppm
8ppm
Default
Time Deviation
± 0.26 s/day
± 3ppm
± 0.44 s/day
± 5ppm
± 0.87 s/day
±10ppm
± 2.17 s/day
±25ppm
All dimensions in mm typical
DESCRIPTION:
The RV-3029-C2 is a Real-Time-Clock Module with embedded
Crystal. This RTC has an I2C Bus (2-wire Serial-Interface)
and offers temperature compensated time. The STC-Smart
Temperature Compensation is calibrated in the factory and leads
to a very high time-accuracy of ± 6ppm from -40°C to +85°C and
± 8ppm from -40°C to +125°C.
Beside standard RTC functions, it includes a Backup-Battery Input with
internal switchover function, a programmable Trickle-charge circuitry,
an integrated Temperature Sensor with digital-output and offers 8 Bytes
RAM and 2 Bytes EEPROM for customer's application.
The calendar function tracks year and leap -year flags. The clock tracks
second, minute and hour in 24-hour format. Programmable alarm setting
and universal timer functions increase flexibility.
For pick-and-place equipment, the parts are available in 12 mm tape:
7” (178 mm) reel with 1'000 parts
13” (330 mm) reel with 5'000 parts
BLOCKDIAGRAM:
32.768 kHz
Xtal
DIVIDER
and
TEMPERATURE
COMPENSATION
LOGIC
OSC
CLKOUT
CLKOE
OUTPUT
CONTROL
INT
VDD
VBACKUP
POWER
CONTROL
SYSTEM
CONTROL
LOGIC
VSS
2
I C-BUS
SCL
2-wire
SDA
Serial
Interface
TEMPERATURE
SENSOR
On / OFF Ctrl
IRQ Ctrl
IRQ Flags
Status
Rst Ctrl
Seconds
Minutes
Hours
Date
Weekday
Month
Year
Seconds Alarm
Minutes Alarm
Hour Alarm
Day Alarm
Weekday Alarm
Month Alarm
Year Alarm
Timer Low
Timer High
Temperature °K
User EEPROM
2 Bytes
EE Ctrl
Xtal Deviation
Xtal Temp-Coef
Xtal T0 Temp
User RAM
8 Byte
User RAM
00
08
10
18
20
28
29
30
38
3F
ELECTRICAL CHARACTERISTICS
AT 25°C:
Symbol
Condition
VDD
Time keeping
1.3
Supply voltage
VDD
Temp. comp.
1.8
5.5
V
Current consumption
IDDO
VDD = 3V
800
1000
nA
Progr.
32.768/1024/32/1
Hz
±10
ppm
Supply voltage
CLKOUT frequency
F/F
@ 25°C
Freq.vs.Temp.
F/FTOPR
20 ≤ T0 ≤ 30
Aging first year
F/F
@ 25°C
Frequency Tolerance
Time accuracy Opt. A
t/t
Time accuracy Opt. B
t/t
–0.035
Unit
5.5
ppm
V
±20
ppm
2
/°C² (T - T0) ±10%
±3
ppm
@ 25°C
±0.26 s/day
-40 to +85°C
±0.52 s/day
@ 25°C
±0.26 s/day
-40 to +85°C
±2.17 s/day
ENVIRONMENTAL
CHARACTERISTICS:
PACKAGE, TERMINATIONS AND
PROCESSING:
Min. Typ. Max
Conditions
Storage temp. range
–55 to +125°C
TA Operating temperature range
–40 to +85°C
TB Extended oper. temp. range
–40 to +125°C
Max. Dev.
Shock resistance
F/F 5000 g, 0.3 ms, ½ sine
± 5 ppm
Vibration resistance
F/F
± 5 ppm
20 g / 10–2000 Hz
Package-Type
Termination
Processing
SON 10-pin
For SMD mounting
Au plated pads
Reflow soldering
260°C/20 s max.
FREQUENCY TEMPERATURE
CHARACTERISTICS:
75.0
50.0
25.0
Opt: A
0.0
-25.0
Opt: B
-50.0
-75.0
[ppm]
-125.0
Δt/t
-100.0
-175.0
-150.0
-200.0
-225.0
-250.0
-275.0
no compensation
-300.0
-325.0
-350.0
-375.0
-50.0
PIN CONNECTIONS
TOP VIEW:
-30.0
-10.0
10.0
Product Marking
#10
#6
3029
#1
Pin 1 Index
#5
30.0
Pin
1
2
3
4
5
6
7
8
9
10
50.0
70.0
90.0
110.0
130.0
Connection
Power Supply Voltage
VDD
CLKOUT Frequency Output
N.C.
not connected
SCL
Serial Clock Input
SDA
Serial Data
Ground
VSS
INT
Interrupt Output
VBACKUP Backup Supply Voltage
N.C.
not connected
CLKOE CLK Output Enable
All specifications subject to change without notice.
M I C R O C R Y S TA L S W I T Z E R L A N D
Micro Crystal AG
Mühlestrasse 14
CH-2540 Grenchen
Switzerland
Tel.
+41 32 655 82 82
Fax
+41 32 655 82 83
sales@microcrystal.com
www.microcrystal.com
Version 1.6/05.2012