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


Low Power I2C bus RTC

  • Low Power of just 190nA typ.
  • Compliant with I2C-Bus interface (400kHz)
  • AEC-Q200 compliant option
  • Programmable alarm, timer and offset
  • Previously named RV8263C7
Configurable Options
ParameterOption Code
Frequency tolerance
Quantity / Special Request

Please specify the quantity you require below.

The RV-8263-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

A highly cost effective all-in-one real time clock solution, the RV-8263-C7 has low current consumption of just 190nA typical and is operable over wide voltage range of 0.9V to 5.5V with time accuracy of ±20ppm @ 25°C.

Providing clock output frequencies of 32.768kHz and 1Hz, the RV-8263-C7 also features a miniature surface mount package with tiny 3.2 x 1.5mm footprint, excellent real time clock functionality including alarm setting, timer, I2C interface, and automatic leap year calculation from 2000 to 2099 in addition to standard clock and calendar functionality.

Optionally available with AEC-Q200 qualification the RV-8263-C7 is ideal for automotive applications in addition to other application areas such as IoT, smart metering, health care and wearable projects.

In order to align ourselves with industry-standard nomenclature the name of this product has been revised from RV8263C7 to RV-8263-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.

Frequencies (selectable) 32.768kHz down to 1Hz
Dimensions 3.2 x 1.5 x 0.8mm
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 (VDD) I2C bus active 1.8 ~ 5.5V
Time-keeping mode 0.9 ~ 5.5V
Supply current (during access) 18µA typ (fscl=400kHz, VDD=3V)
Supply current (time-keeping) 190/240nA typ/max (fscl=0Hz, VDD=3V)
Ageing ±3ppm max first year
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
Net mass 11.4mg
Package Drawing
Ordering Information

To request a quotation for the RV-8263-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

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

The RV-8263-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 / F:1 / G:61 / H:21
*Larger reel size available. Please ask for details

Handling & Storage

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

MSL1 Moisture Sensitivity Level (MSL): 1 (or not applicable)

  • Ceramic package
  • Hermetically sealed with metal lid
  • Gold flashed pads

PbFree Lead-free (< 0.1% by weight )

RoHS compliant with no exemptions RoHS compliant with no exemptions. See our declaration

REACH REACH compliant. See our statement

Conflict Minerals Statement Free of conflict minerals. See our declaration

Halogen Free Statement Free of Halogens. See our declaration

Ozone Depletion Statement Free of Ozone-depleting substances. See our declaration

Supply Partner
Supply Partner

The RV-8263-C7 is manufactured by Micro Crystal and stocked and supplied by Golledge.

Block Diagram
Block Diagram

Real Time Clock Modules - Quick Comparison Tools

Compare RTC specifications and extra features quickly and easily


Our comparison charts for both I2C and SPI-bus interface RTC modules means you can easily compare product specifications and extra features at a glance.