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M41ST87W 数据表(PDF) 8 Page - STMicroelectronics

部件名 M41ST87W
功能描述  5.0 and 3.3/3.0 V secure serial RTC and NVRAM supervisor with tamper detection and 128 bytes of clearable NVRAM
PDF  54 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

M41ST87W 数据表(HTML) 8 Page - STMicroelectronics

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Description
M41ST87W
8/54
DocID9497 Rev 11
Figure 2: 28-pin, 300 mil SOIC connections
Note: No function (NF) and no connect (NC) pins should be tied to VSS. Pins 1, 2, 3, and 4
are internally shorted together.
Figure 3: 20-pin, SSOP connections
Note: No connect (NC) pin should be tied to VSS.
8
2
3
4
5
6
7
9
10
11
12
13
14
22
21
20
19
18
17
16
15
28
27
26
25
24
23
1
RSTIN1
RSTIN2
PFI 2
NF
NC
SQW/FT
WDI
NF
NC
IRQ/OUT
F 32k
V OUT
TP1 IN
EX
PFI 1
SCL
TP CLR
PFO 1
E CON
V SS
V BAT
TP2 IN
S DA
RST
NF
NF
V CC
M41ST87Y
M41ST87W
PFO 2
8
2
3
4
5
6
7
9
10
14
13
12
11
20
19
18
17
16
15
1
RSTIN1
XO
SQW/FT
PFI 2
IRQ/OUT
F 32k
V OUT
TP1 IN
PFI 1
SCL
NC
PFO 1
V SS
V BAT
TP2 IN
S DA
RST
XI
V CC
M41ST87Y
M41ST87W
PFO 2



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