Datasheet

Figure 2. M41T64 logic diagram
SCL
V
CC
M41T64
V
SS
SDA
F
32K
(2)
SQW
(1)
XI
XO
1. Open drain.
2. Defaults to 32 kHz on power-up.
Figure 3. M41T65 logic diagram
SCL
V
CC
M41T65
V
SS
SDA
WDO
(1)
IRQ/FT/OUT
(1)
XI
XO
1. Open drain.
Figure 4. M41T62 connections
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
NC NC NC
NC NC NC
XI
XO
SQW
(1)
V
SS
V
SS
V
CC
NC
SCL
SDA
IRQ/OUT
(2)
1
2
3
4
5
6
7
8
V
SS
NC
SCL
SDA
IRQ/OUT
(2)
NC
V
CC
QFN
LCC
SQW
(1)
1. SQW output defaults to 32 kHz upon power-up.
2. Open drain.
M41T62, M41T64, M41T65
Description
DS3840 - Rev 24
page 3/42