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PDF RV3029C2 Data sheet ( Hoja de datos )

Número de pieza RV3029C2
Descripción Real Time Clock
Fabricantes Golledge Electronics 
Logotipo Golledge Electronics Logotipo



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No Preview Available ! RV3029C2 Hoja de datos, Descripción, Manual

Real Time Clock - I2C Bus
2011/65/EU
5.00
±0.20
3.20
±0.20
1.20
(max)
SOLDER PAD LAYOUT
0.90
10 6
2.20
15
1.00 0.40
0.60
1.00
TOP VIEW
PAD CONNECTION
PAD CONNECTION
1 Supply (VDD)
6 Ground
2 Frequency output (CLKOUT) 7 Interrupt output (/INT)
3 Not connected
8 Backup supply
4 Serial clock input (SCL)
9 Not connected
5 Data (SDA)
10 CLK output enable (CLKOE)
Features
Temperature compensated accuracy
AEC Q200 Rev C compliant
Compliant with I2C-Bus interface (400kHz)
Backup battery input (internal switchover)
Programmable alarm, timer and interrupt
Block Diagram
RV3029C2
Specifications
Parameters
Frequencies (selectable):
32.768kHz, 1024Hz, 32Hz & 1Hz
Product
RV3029C2
Frequency tolerance @25°C:
±10ppm typ, ±20ppm max
Time accuracy:
±3ppm max (0.26s/day) @ 25°C
±6ppm max (0.52s/day), -40+85°C
±25ppm max (2.17s/day), -40+85°C
±8ppm max (0.70s/day), -40+125°C
±30ppm max (2.60s/day), -40+125°C
Operating temperature range:
-40 to +85°C
Extended op. temp range:
-40 to +125°C
Storage temperature range:
-55 to +125°C
Supply voltage (VDD):
I2C bus active 1.8 ~ 5.5V
Time-keeping mode 1.3 ~ 5.5V
Supply current (VDD=3.0V):
0.80μA typ, 1.0μA max
Shock and vibration resistance:
±5ppm, 5,000g, 0.3ms, ½ sine
±5ppm, 20g, 10.0 ~ 2,000Hz
Soldering condition:
Reflow, 260°C, 20 sec max
Standard. Optional - Please specify required code(s) when ordering
Option
Codes
A
B
D
E
Ordering Information
Product + option code
eg: RV3029C2/B ±25ppm -40+85°C
Option code X (eg RV3029C2/X) denotes a custom spec.
Available on T&R - 1k or 5k pcs per reel. See our website for details
Evaluation / development board &manual available on request
The I2C-Bus is a trademark of Philips Electronics NV
Description
The RV3029C2 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) can be
factory calibrated to achieve a very high time-accuracy of ±6ppm from
-40°C to +85°C (option A) and ± 8ppm from -40°C to +125°C (option 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 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.
Manufactured by Micro Crystal
Stocked &supplied by Golledge
Tel: +44 1460 256 100
03 May 2012
Fax: +44 1460 256 101
Web: www.golledge.com

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