The 8-pad 3.2x1.5 Golledge Real Time Clock package

RV-3028-C7

Ultra-low Power I2C RTC Module

  • Ultra-Low power consumption of 45nA
  • Wide operating voltage of 1.1 ~ 5.5V
  • Battery switch over
  • AEC-Q200 compliant option
  • Previously named RV3028C7
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Configurable Options
ParameterOption Code
Qualification
A
Quantity / Special Request

Please specify the quantity you require below.

The RV-3028-C7 is supplied on tape and reel. 1k or 3k pcs per reel are the standard T&R pack sizes for this product. Partial quantities may be supplied on tape (no reel), or in bulk.

Product Description

The RV-3028-C7 boasts ultra-low current consumption of only 45nA, ideal for many applications requiring low power components, including IoT, wearables, portable devices, healthcare, metering, industrial and automotive. 

This RTC with miniature 3.2 x 1.5mm package and I2C bus interface offers excellent factory calibrated time accuracy of ±1ppm stability @ 25°C with built-in crystal and is operable over a wide voltage range from 1.1V to 5.5V. The RV-3028-C7 can also provide a range of frequency outputs including 32.768kHz, 8192Hz, 1024Hz, 64Hz, 32Hz, and 1Hz. 

The RV-3028-C7 also features many additional functions including backup switch, trickle charge, 32 bit UNIX time counter, external event input detection with time stamping, 43 bytes user memory and 2 bytes user RAM. 

Full AEC-Q200 qualification for automotive applications is available.

In order to align ourselves with industry-standard nomenclature the name of this product has been revised from RV3028C7 to RV-3028-C7. There have been no changes to form, fit or function of the component. You can find more information in our product change notice PCN19032005321 here.

Specifications
Frequencies (selectable) 32.768kHz, 8192Hz, 1024Hz, 64Hz, 32Hz, 1Hz
Dimensions 3.2 x 1.5 x 0.8mm
Time accuracy ±1ppm max @ 25°C
Turnover temperature (T0) +25°C ±5°C
Frequency / temp coefficient -0.035ppm/°C2 ±10%
Operating temperature range -40 to +85°C
Storage temperature range -55 to +125°C
Supply voltage 1.2 ~ 5.5V (I2C bus active)
1.1 ~ 5.5V (timekeeping)
Supply current 45/60nA typ/max, VDD=3V
Ageing ±3ppm max first year @25˚C
Shock and vibration resistance ±5ppm, 5,000g, 0.3ms, ½ sine
±5ppm, 20g, 10.0 ~ 2,000Hz
Soldering condition Reflow, 260°C, 20-40sec
Package Drawing
Footprint
Ordering Information

To request a quotation for the RV-3028-C7 please use the configurable options form to choose the options you require and then submit your configured product to our team. Our expert advisers are always happy to help with your requirements and can be contacted on +44 1460 256 100 or at sales@golledge.com.

Following product selection you will be issued with a seven character Golledge part number. Your Golledge part number is the internationally accepted Golledge manufacturing part number (MPN) that should be used for all project documentation, including bills of materials (BoMs) and purchase orders.

If you have any queries regarding any of our documentation our dedicated sales team will be happy to help.

Technical Resources
Applications

The RV-3028-C7 real time clock is a versatile component suitable for a wide range of applications and uses including:

  • Automotive
  • Health Care
  • IoT
  • Industrial
  • Metering
  • Portable Devices
  • Wearables
Tape & Reel Specification
Tape and Reel specifications for the GTXO-C77V

A:178* / B:12 / C:3.5 / D:1.8 / E:4.0 / F:1.0 / G:61 / H:21
*Larger reel sizes are available

Handling & Storage

ESD icon Human Body Model (HBM) 1A (250V to <500V)

MSL Moisture Sensitivity Level (MSL): 1 (or not applicable)

Construction

SON 8-pin ceramic package with metal lid

Compliance

PB free icon Lead-free (< 0.1% by weight )

ROHS icon RoHS compliant with no exemptions. See our declaration

REACH icon REACH compliant. See our statement

Conflict minerals icon Free of conflict minerals. See our declaration

Halogen free icon Free of Halogens. See our declaration

Ozone depletion icon Free of Ozone-depleting substances. See our declaration

Supply Partner
Supply Partner

The RV-3028-C7 is manufactured by Micro Crystal and stocked and supplied by Golledge.

Other Information

An evaluation/development board for the RV-3028-C7 is also available on request. Please contact our expert advisers at sales@golledge.com for more information. 

Block Diagram
Block diagram showing electrical characteristics of the RV3028C7 ultra-low power real time clock module.
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