M41ST85YMX6 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
Manufacturer
M41ST85YMX6 Datasheet PDF : 34 Pages
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Figure 3. Logic Diagram
VCC VBAT(1)
SCL
SDA
EX
RSTIN1
RSTIN2
WDI
PFI
M41ST85Y
M41ST85W
ECON
RST
IRQ/FT/OUT
SQW
PFO
VOUT
VSS
AI03658
Note: 1. For 28-pin, 300mil embedded crystal SOIC only.
M41ST85Y, M41ST85W
Table 1. Signal Names
ECON
Conditioned Chip Enable Output
EX
External Chip Enable
IRQ/FT/OUT
Interrupt/Frequency Test/Out Output
(Open Drain)
PFI
Power Fail Input
PFO
Power Fail Output
RST
Reset Output (Open Drain)
RSTIN1
Reset 1 Input
RSTIN2
Reset 2 Input
SCL
Serial Clock Input
SDA
Serial Data Input/Output
SQW
Square Wave Output
WDI
Watchdog Input
VCC
Supply Voltage
VOUT
Voltage Output
VSS
Ground
VBAT(1)
Battery Supply Voltage
NC
No Connect
NF
No Function
Note: 1. For 28-pin, 300mil embedded crystal SOIC only.
Figure 4. 28-pin SOIC Connections
SQW
NC
NC
NC
NC
NC
NC
WDI
RSTIN1
RSTIN2
NC
NC
PFO
VSS
1
28
2
27
3
26
4
25
5
24
6
23
7 M41ST85Y 22
8 M41ST85W 21
9
20
10
19
11
18
12
17
13
16
14
15
AI03659
VCC
EX
IRQ/FT/OUT
VOUT
NC
NC
PFI
NC
SCL
NC
RST
NC
SDA
ECON
Figure 5. 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 M41ST85Y 22
8 M41ST85W 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.
5/34
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