M41ST87WMX6TR STMicroelectronics, M41ST87WMX6TR Datasheet - Page 47

• Manufacturer Part Number: M41ST87WMX6TR
• Description: IC SUPERVISOR RTC 160X8 28-SOIC
• Manufacturer: STMicroelectronics
• Type: Clock/Calendar/Supervisorr

Specifications of M41ST87WMX6TR

• Memory Size: 160B
• Time Format: HH:MM:SS:hh (24 hr)
• Date Format: YY-MM-DD-dd
• Interface: I²C, 2-Wire Serial
• Voltage - Supply: 2.7 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 28-SOIC, 28-SOH (8.48mm Width)
• Bus Type: Serial (2-Wire, I2C)
• Operating Supply Voltage (typ): 3.3V
• Operating Supply Voltage (max): 3.6V
• Operating Supply Voltage (min): 2.7V
• Operating Temperature Classification: Industrial
• Operating Temperature (max): 85C
• Operating Temperature (min): -40C
• Pin Count: 28
• Mounting: Surface Mount
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-6457-2; M41ST87WMX6TR

M41ST87Y, M41ST87W
6
Note:
Package mechanical data
In order to meet environmental requirements, ST offers these devices in different grades of
ECOPACK
specifications, grade definitions and product status are available at: www.st.com.
ECOPACK
Figure 29. SOX28 – 28-lead plastic small outline, 300 mils, embedded crystal outline
Drawing is not to scale.
Table 20.
Symbol
ddd
A1
A2
A
B
C
D
E
H
N
e
L
a
A2
®
®
packages, depending on their level of environmental compliance. ECOPACK
is an ST trademark.
SOX28 – 28-lead plastic small outline, 300 mils, embedded crystal
mechanical data
SO-E
14
15
1.27
Typ
B
D
millimeters
e
17.91
10.16
2.44
0.15
2.29
0.41
0.20
7.57
0.51
Doc ID 9497 Rev 9
Min
28
0°
–
28
1
A1
18.01
10.52
Max
2.69
0.31
2.39
0.51
0.31
0.10
7.67
0.81
E
8°
–
H
A
ddd
0.050
Typ
Package mechanical data
A1
inches
0.096
0.006
0.090
0.016
0.008
0.705
0.298
0.400
0.020
Min
28
0°
–
L
h x 45°
C
0.106
0.012
0.094
0.020
0.012
0.709
0.004
0.302
0.414
0.032
Max
8°
–
47/54
®