M41ST85WMX6F STMICROELECTRONICS [STMicroelectronics], M41ST85WMX6F Datasheet - Page 8
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M41ST85WMX6F
Manufacturer Part Number
M41ST85WMX6F
Description
3.0/3.3V I2C combination serial RTC, NVRAM supervisor and microprocessor supervisor
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet
1.M41ST85WMX6F.pdf
(41 pages)
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Table 1.
1. For 28-pin, 300mil embedded crystal SOIC only.
Figure 2.
E
EX
IRQ/FT/OUT
PFI
PFO
RST
RSTIN1
RSTIN2
SCL
SDA
SQW
WDI
V
V
V
V
NC
NF
CON
CC
OUT
SS
BAT
(1)
Signal names
28-pin SOIC connections
RSTIN1
RSTIN2
SQW
PFO
V SS
WDI
Conditioned Chip Enable Output
External Chip Enable
Interrupt/Frequency Test/Out Output (Open Drain)
Power Fail Input
Power Fail Output
Reset Output (Open Drain)
Reset 1 Input
Reset 2 Input
Serial Clock Input
Serial Data Input/Output
Square Wave Output
Watchdog Input
Supply Voltage
Voltage Output
Ground
Battery Supply Voltage
No Connect
No Function
NC
NC
NC
NC
NC
NC
NC
NC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
M41ST85W
AI03659
28
27
26
25
24
23
22
21
20
19
18
17
16
15
V CC
EX
IRQ/FT/OUT
V OUT
NC
NC
PFI
NC
SCL
NC
RST
NC
SDA
E CON
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