m41t83 STMicroelectronics, m41t83 Datasheet - Page 9

• Manufacturer Part Number: m41t83
• Description: Serial I 2c Bus Rtc With Battery Switchover
• Manufacturer: STMicroelectronics

Figure 3.
1. Open drain output
Figure 4.
1. Open drain output
2. Defaults to 32Hz on Power-up.
Figure 5.
1. NF pins must be tied to V
2. Open drain output
3. Do not use (must be tied to V
4. Defaults to 32KHz on power-up.
SO8 (M) connections (M41T82)
QFN16 (QA) connections (M41T83)
SOX18 (MY) connections (M41T83)
SS
SQW
RST
V BAT
DU
NF
NF
. Pins 2 and 3, and 16 and 17 are internally shorted together.
V SS
SQW
CC
NC
NC
V
RST
(3)
(1)
(1)
(2)
(4)
V
BAT
XO
)
SS
XI
NC
NC
(1)
(2)
1
2
3
4
5
6
7
8
9
1
2
3
4
1
2
3
4
M41T83
M41T82
16
5
M41T83
15
6
18
17
16
15
14
13
12
11
10
5
8
7
6
14
7
NC
NF
NF
V CC
IRQ2
NC
IRQ1/FT/OUT
SCL
SDA
AI11199
V
FT/RST
SCL
SDA
13
(1)
(1)
8
CC
(2)
12
10
11
9
AI11198
(1)
IRQ2
SCL
IRQ1/FT/OUT
SDA
(2)
AI11197
(1)
(1)
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