AB-RTC-TC-32.768kHz-2

Real Time Clock Module with I2C Bus

Revision: A 8/4/2025

Page 6

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Pad # Function

Description

1

T1

Do not connect

2

SCL

I2C clock signal

3

FOUT

Frequency output. Controlled by FOE. Frequency can be set by

FSEL bits.

4

NC

No connect or connect to VDD or GND

5

T2

Do not connect

6

VDD

Power supply

7

FOE

FOUT output control pin. “1” - enable FOUT, “0”- FOUT Hi-Z

8

T5

Do not connect

9

T4

Do not connect

10

/INT

Interrupt Output, Open-Drain

11

GND

Ground

12

T3

Do not connect

13

SDA

I2C data signal

14

NC

No connect or connect to VDD or GND

Mechanical Dimensions

Dimensions: inches[mm]