RV-3049-C2 Real Time Clock Module with SPI-Bus0 pages
RV-3049-C2
Real Time Clock Module with SPI-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.
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
@ +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-3049-C2 is a Real-Time-Clock Module with embedded
Crystal. This RTC has 4-wire serial Interface (SPI-Bus)
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
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
CE
SPI-BUS
SCL
4-wire
SDO
Serial
SDI
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