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3pcs Mini High Precision 3.3V/5V Real Time Clock Module Memory Module for Arduino Raspberry Pi

3pcs Mini High Precision 3.3V/5V Real Time Clock Module Memory Module for Arduino Raspberry Pi

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|Item#: E3554

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Features:
Can be adapted to the system in 3.3V and 5V without level conversion.
Timing accuracy is maintained at ±5ppm(±0.432 sec/day) within the temperature range of -40°C to +85°C.
Can provide battery backup for continuous timing.
Device encapsulation and functionality are compatible with the DS3231.
Includes two calendar alarm clocks.
Low power consumption, 16-pin SO(300mil) package, reset output and buttons input.
Complete clock calendar functions include seconds, minutes, hours, weeks, dates, months and years, and provide leap year compensation until 2100.
Includes high-speed(400kHz)I2C serial bus.

Specifications:
Material: FR4
Power Supply: 2.3V~5.5V
Accuracy: ±3°C
Output Frequency: 1Hz and 32.768kHz
Operation Temperature: -40°C~85°C / -40°F~185°F
Module: 1.3 * 1.3 * 1cm / 0.5 * 0.5 * 0.4in
Package Size: 9 * 8 * 1cm / 3.5 * 3.1 * 0.4in
Package Weight: 9g / 0.3oz

Package List:
3 * Real Time Clock Modules

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