M41ST85 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

MFG CO.

M41ST85

3.0/3.3V I²C combination serial RTC, NVRAM supervisor and microprocessor supervisor

STMicroelectronics 

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M41ST85W

Description

Figure 3. 28-pin, 300mil SOIC (MX) connections

NF

NF

NF

NF

NC

NC

NC

SQW

WDI

RSTIN1

RSTIN2

PFO

NC

VSS

1

28

2

27

3

26

4

25

5

24

6

23

7 M41ST85W 22

8

21

9

20

10

19

11

18

12

17

13

16

14

15

VCC

EX

IRQ/FT/OUT

VOUT

NC

PFI

SCL

NC

NC

RST

NC

SDA

ECON

VBAT

AI06370d

Note:

No Function (NF) pins should be tied to VSS. Pins 1, 2, 3, and 4 are internally

shorted together.

9/41

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