STMicroelectronics M41T81SMY6F Linear IC M41T81SMY6F Data Sheet
Product codes
M41T81SMY6F
M41T81S
Description
Doc ID 10773 Rev 7
7/32
Table 1.
Signal names
Figure 2.
8-pin SOIC (M) connections
1.
Open drain output
Figure 3.
18-pin, 300 mil SOIC (MY) connections
1.
NC and NF pins should be tied to V
SS
. Pins 2 and 3 are internally shorted together. Pins 17 and 16 are
internally shorted together.
2.
Open drain output
XI
(1)
1.
For SO8 package only.
Oscillator input
XO
(1)
Oscillator output
IRQ/OUT/FT/SQW
Interrupt / output driver / frequency test / square wave (open drain)
SDA
Serial data input/output
SCL
Serial clock input
V
BAT
Battery supply voltage
V
CC
Supply voltage
V
SS
Ground
NC
(2)
2.
NC and NF pins should be tied to V
SS
.
No connect
NF
(2)
No function
2
3
4
3
4
5
6
8
7
7
1
IRQ/FT/OUT/SQW
(1)
SDA
V
BAT
SCL
V
SS
XO
XI
V
CC
M41T81S
AI09161
8
2
3
4
5
6
7
3
4
5
6
7
9
12
11
10
11
10
18
17
16
15
14
13
17
16
15
14
13
1
NF
(1)
NC
NC
NC
NC
NC
NC
NC
NC
SCL
SDA
SDA
V
SS
V
BAT
NF
(1)
NC
VCC
M41T81S
IRQ/FT/OUT/SQW
(2)
NF
(1)
NF
(1)
NC
AI09162