Description
Table 1.
E
IRQ/FT/OUT
RST
RSTIN1
RSTIN2
SCL
SDI
SDO
SQW
THS
WDI
XI
(1)
XO
(1)
V
BAT
(1)
V
CC
V
SS
1. For SO16 package only.
M41T94
Signal names
Chip enable
Interrupt/frequency test/out
output (open drain)
Reset output (open drain)
Reset 1 input
Reset 2 input
Serial clock input
Serial data input
Serial data output
Square wave output
Threshold select pin
Watchdog input
Oscillator input
Oscillator output
Battery supply voltage
Supply voltage
Ground
Figure 3.
28-pin SOIC connections
SQW
NC
NC
NC
NC
NC
NC
WDI
RSTIN1
RSTIN2
NC
NC
NC
VSS
1
2
3
4
5
6
7
M41T94
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
AI03685
VCC
E
IRQ/FT/OUT
NC
NC
THS
NC
NC
SCL
NC
RST
SDI
SDO
NC
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