Datasheet

DIMENSIONS
MICRO CRYSTAL SWITZERLAND
RV-3029-C2
Real Time Clock Module with I
2
C-Bus
All dimensions in mm typical
DESCRIPTION:
The RV-3029-C2 is a Real-Time-Clock Module with embedded
Crystal. This RTC has an I
2
C 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 fl ags. The clock tracks
second, minute and hour in 24-hour format. Programmable alarm setting
and universal timer functions increase fl exibility.
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
Extremely Accurate RTC Module
with embedded Xtal.
I
2
C Interface
Temperature Compensation
Automotive qualified, according to
AEC-Q200 Rev. C
Option A: Calibrated
T
emperature Time Deviation
@ +25°C ± 0.26 s/day ± 3ppm
0°C to +50°C ± 0.35 s/day ± 4ppm
-10°C to +60°C ± 0.44 s/day ± 5ppm
-40°C to +85°C ± 0.52 s/day ± 6ppm
-40°C to +125°C ± 0.70 s/day ± 8ppm
Option B: Default
Temperature Time Deviation
@ +25°C ± 0.26 s/day ± 3ppm
0°C to +50°C ± 0.44 s/day ± 5ppm
-10°C to +60°C ± 0.87 s/day ±10ppm
-40°C to +85°C ± 2.17 s/day ±25ppm
Package: Recommended Solder Pad:
0
,
6
3
,
2
1,0
5,0
m
a
x
.
1
,
2
0
,
9
4
,
0
1,0 1,0 1,0 1,0
2
,
2
0
,
9
4,6
0
,
3
5
0,4
0,6
±
0
,
2
± 0,2
BLOCKDIAGRAM:
100% leadfree, RoHS - compliant
OUTPUT
CONTROL
OSC
I
2
C-BUS
2-wire
Serial
Interface
DIVIDER
and
TEMPERATURE
COMPENSATION
LOGIC
SYSTEM
CONTROL
LOGIC
TEMPERATURE
SENSOR
32.768 kHz
Xtal
CLKOUT
CLKOE
INT
SCL
V
DD
V
SS
POWER
CONTROL
V
BACKUP
SDA
On / OFF Ctrl
Status
29
00
Year Alarm
Month Alarm
Weekday Alarm
Day Alarm
Hour Alarm
Minutes Alarm
Year
Month
Weekday
Date
Hours
Minutes
Seconds
IRQ Flags
IRQ Ctrl
User EEPROM
User RAM
Temperature °K
Timer High
Timer Low
Seconds Alarm
User RAM
28
20
Xtal T0 Temp
Xtal Temp-Coef
EE Ctrl
2 Bytes
38
8 Byte
Xtal Deviation
3F
Rst Ctrl
30
08
10
18