Part: RV-3028-C7 — Micro Crystal AG

Type: SMT Real-Time Clock Module

Description: SMT Real-Time Clock Module with integrated CMOS circuit and XTAL, featuring extreme low power consumption of 40 nA at 3 V and a wide operating voltage range of 1.2 V to 5.5 V.

Operating Conditions:

• Supply voltage: 1.1 V to 5.5 V
• Operating temperature: -40 to +85 °C

Absolute Maximum Ratings:

• Max junction/storage temperature: +125 °C

Key Specs:

• Supply voltage (I2C-bus active): 1.2 V (Min) to 5.5 V (Max)
• Supply voltage (Time keeping): 1.1 V (Min) to 5.5 V (Max)
• Current consumption (Time keeping mode): 40 nA (Typ) @ VDD = 3 V
• CLKOUT frequency: 1 Hz to 32768 Hz (Programmable)
• Time accuracy: ±1 ppm @ 25°C
• Aging first year max.: ±3 ppm @ 25°C

Features:

• Extreme low power consumption: 40 nA @ 3 V
• Wide operating voltage range: 1.2 V to 5.5 V
• Time accuracy: Factory calibrated to ±1 ppm @ 25°C
• User programmable password for write protection
• Non-volatile configuration settings with user programmable offset value
• Automatic Backup Switchover and Trickle Charger function
• Provides year, month, date, weekday, hours, minutes, seconds, UNIX
• Timer, Alarm and External event input with Time Stamp function
• Clock output: 32.768 kHz, 8192 Hz, 1024 Hz, 64 Hz, 32 Hz, 1 Hz
• 43 bytes non-volatile user memory, 2 bytes user RAM
• I2C-bus interface: 400 kHz
• 100% Pb-free, RoHS-compliant
• Automotive qualification according to AEC-Q200 available

Applications:

• IoT
• Metering
• Industrial
• Automotive
• Health Care
• Wearables, Portables

Package:

• SON-8

Extreme low power consumption: 40 nA @ 3 V. Wide operating voltage range: 1.2 V to 5.5 V. Time accuracy: Factory calibrated to ±1 ppm @ 25°C User progr. password for write protection of time and configuration. Non-volatil e configuration settings with u ser programmable offset value. Automatic Backup Switchover and Trickle Charger function. Provides year, month, date, weekday, hours, minutes, seconds, UNIX. Timer, Alarm and External event input with Time Stamp function. Clock output: 32.768 kHz, 8192 Hz, 1024 Hz, 64 Hz, 32 Hz, 1 Hz. 43 bytes non-volatile user memory, 2 bytes user RAM. I 2 C-bus interface: 400 kHz.

100% Pb-free, RoHS-compliant.

Automotive qualification according to AEC-Q200 available.

RV-3028-C7 SON-8 Pinout

Notes

• Pin 5 (VSS/Ground) is also connected to the metal lid of the hermetically sealed ceramic package.
• I²C-bus interface operates at 400 kHz maximum.
• Extreme low power consumption: 40 nA typical @ 3 V in timekeeping mode.
• All pins extracted from the pin diagram image paired with the connection table in the datasheet.

More detailed information can be found in the Application Manual.