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M41T256YMT7 数据表(PDF) 5 Page - STMicroelectronics

部件名 M41T256YMT7
功能描述  256 Kbit 32K x8 SERIAL RTC
PDF  27 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

M41T256YMT7 数据表(HTML) 5 Page - STMicroelectronics

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M41T256Y
Figure 4. 44-pin SOIC Connections (MT)
Note: No Function (NF) must be tied to VSS.
Figure 5. 44-pin SOIC (MH - SNAPHAT)
Figure 6. Block Diagram
Note: 1. Open drain output
22
44
43
1
M41T256Y
10
2
5
6
7
8
9
11
12
13
14
15
21
40
39
36
35
34
33
32
31
30
29
28
3
4
38
37
42
41
16
17
18
19
20
27
26
25
24
23
XO
XI
NF
NF
NF
NF
NF
NF
NF
NF
NF
NF
NF
NF
NF
NF
NF
NF
NF
NF
NF
NF
NF
NF
TP
NC
NF
RST
SDA
VSS
VSS
NC
VSS
VCC
NC
FT
NC
NC
NF
SCL
NC
NC
NC
BAT+
AI04755b
22
44
43
1
M41T256Y
10
2
5
6
7
8
9
11
12
13
14
15
21
40
39
36
35
34
33
32
31
30
29
28
3
4
38
37
42
41
16
17
18
19
20
27
26
25
24
23
NC
NC
NF
NF
NF
NF
NF
NF
NF
NF
NF
NF
NF
NF
NF
NF
NF
NF
NF
NF
NF
NF
NF
NF
TP
NC
NF
RST
SDA
VSS
VSS
NC
VSS
VCC
NC
FT
NC
NC
NF
SCL
NC
NC
NC
NC
AI07022
AI04759
COMPARE
VPFD = 4.38V
VCC
COMPARE
VSO = VBAT
POWER
VBL= 2.5V
BL
COMPARE
Crystal
I2C
INTERFACE
REAL TIME CLOCK
CALENDAR
32,752 BYTES
USER RAM
RTC
& CALIBRATION
TAMPER BIT
SDA
SCL
POR
RST
(1)
TP
VBAT
32KHz
OSCILLATOR
FT
(1)
PULL-UP TO
CHIP VCC



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