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M41ST84YMQ1 Datasheet(PDF) 5 Page - STMicroelectronics

Part # M41ST84YMQ1
Description  5.0 or 3.0V, 512 bit 64 x 8 SERIAL RTC with SUPERVISORY FUNCTIONS
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M41ST84YMQ1 Datasheet(HTML) 5 Page - STMicroelectronics

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M41ST84Y, M41ST84W
Figure 4. 16-pin SOIC Connections
Figure 5. 28-pin SOIC Connections
Figure 6. Block Diagram
Note: 1. Open drain output
AI03678
8
2
3
4
5
6
7
9
10
11
12
13
14
16
15
1
RSTIN
WDI
IRQ/FT/OUT
SDA
VBAT
PFI
NC
SQW
SCL
NC
PFO
VSS
RST
XO
XI
VCC
M41ST84Y
M41ST84W
AI03679
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
RSTIN
NC
NC
NC
NC
WDI
NC
NC
IRQ/FT/OUT
NC
NC
NC
NC
PFI
SCL
NC
NC
PFO
VSS
SDA
RST
NC
SQW
VCC
M41ST84Y
M41ST84W
NC
NC
NC
NC
AI03931
COMPARE
VPFD = 4.4V
VCC
COMPARE
VSO = 2.5V
POWER
VBL= 2.5V
BL
COMPARE
Crystal
I2C
INTERFACE
REAL TIME CLOCK
CALENDAR
44 BYTES
USER RAM
RTC w/ALARM
& CALIBRATION
WATCHDOG
SQUARE WAVE
SDA
SCL
1.25V
PFI
PFO
RSTIN
POR
SQW
RST
(1)
WDI
WDF
AF
IRQ/FT/OUT
(1)
VBAT
32KHz
OSCILLATOR
COMPARE
(2.65V for ST84W)
(Internal)


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