RV-3049-C30 pages
RV-3049-C3
Real Time Clock Module with SPI-Bus
DIMENSIONS
Package:
Recommended Solder Pad:
3,70
0,8
0,8
0,8
3
4
5
10
9
8
7
6
1,4
0,8
3,0
2
0,5
2,50
1
0,8
0,8
0,3
0,6
0,8
max.0,9
0,1
3,70
100% leadfree, RoHS - compliant
Extremely Accurate RTC Module
with embedded Xtal.
SPI 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
±
±
±
±
±
3ppm
4ppm
5ppm
6ppm
8ppm
Default
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
-40°C to +125°C ± 2.60 s/day
±30ppm
All dimensions in mm typical
DESCRIPTION:
The RV-3049-C3 is an ultra miniature Real-Time-Clock Module
with embedded Crystal. This RTC has an SPI Bus (4-wire SerialInterface) 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 ags. The clock tracks
second, minute and hour in 24-hour format. Programmable alarm setting
and universal timer functions increase exibility.
For pick-and-place equipment, the parts are available in 12 mm tape:
7” (178 mm) reel with 1'000 parts
7” (178 mm) reel with 3'000 parts
BLOCKDIAGRAM:
32.768 kHz
Xtal
DIVIDER
and
TEMPERATURE
COMPENSATION
LOGIC
OSC
CLKOUT
CLKOE
INT
VDD
VBACKUP
VSS
CE
SCL
SDO
SDI
3
1
OUTPUT
CONTROL
7
2
POWER
CONTROL
9
SYSTEM
CONTROL
LOGIC
6
8
4
5
10
SPI-BUS
4-wire
Serial
Interface
TEMPERATURE
SENSOR
On / Off Ctrl
IRQ Ctrl
Control 3
Control 4
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 Control 1
Xtal Deviation
Xtal Temp-Coef
Xtal T0 Temp
User RAM
8 Byte
User RAM
00
20
28
29
38
3F