FX-2720 Real Time Clock (RTC) Module

Maxim DS3231 extremely accurate real time clock (RTC)  with an integrated temperature compensated crystal oscillator (TCXO) and battery back-up system. The RTC maintains seconds, minutes, hours, day, month, and year information. Automatic adjustment for months fewer than 31 days and leap year correction. Operates in either 12 or 24 hour format and includes two user programmable time-of-day alarms.

Available October 2019

Please Contact Us for a Price and Delivery Quotation

 

SKU: 2000-272002 Category:

Time Keeping: Seconds, minutes, hours, day, month, year; leap-year compensated

Calendar Valid: Year 2100

Accuracy: ±2 minutes/year (±3.5 ppm) over the operating temperature range -40˚C to +85˚C

Time-of-Day Alarm: Two user programmable, assignable to 1-of-8 GPIO (8-bit) pins

Control Bus: I2C

Battery Back-Up: Low power battery back-up; user replaceable CR1220 3 volt lithium coin cell

Time Keeping Battery Current/Duration: 3 µA/1-year typical @ 20˚C

State Indicator: Power ON green LED

Power: +5 VDC @ 7 mA

Maximum Installed Modules: 10

 

Weight 0.1 lbs
Dimensions 2.5 × 2.5 × 1.5 in