custom 1Pcs RTC DS1302 Real Time Clock Module For AVR ARM PIC SMD for Arduino

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description:
31 x 8 RAM for scratchpad data storage
Serial I / O interface for minimum pin count
Wide operating voltage: 2.0 ~ 5.5V
Single-byte and multi-byte transfers for clock or RAM data read / write
TTL compatible (Vcc = 5V)
Operating temperature: 0 to +70 degrees Celsius
32.768KHz crystal oscillator
Equipped with 260mAh CR2032 button battery, non-rechargeable
Overall dimensions: approx. 44 x 23 x 11 mm

connection:
Vcc- + 5V / 3.3V
Ground-ground
Clock-P01
DAT-P02
RST-P00

note:
Do not reverse VCC and GND, otherwise it will cause damage
For the P0 port of the 51 MCU, a pull-up resistor is required, if not, you can connect the data cable to the other

Package Included:
10 * DS1302 real-time clock module