M41ST85WMH6E STMicroelectronics, M41ST85WMH6E Datasheet - Page 37

• Manufacturer Part Number: M41ST85WMH6E
• Description: IC RTC 3.0V 512BIT NVRAM 28SOIC
• Manufacturer: STMicroelectronics
• Type: Clock/Calendar/Supervisorr

Specifications of M41ST85WMH6E

• Memory Size: 64B
• 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)
• Function: Clock/Calendar/Supervisor/Alarm
• Rtc Memory Size: 64 Byte
• Supply Voltage (max): 3.6 V
• Supply Voltage (min): 2.7 V
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Rtc Bus Interface: Serial (2-Wire, I2C)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 497-2804-5; M41ST85WMH6

M41ST85W
Figure 24. SOX28 – 28-lead plastic small outline, 300 mils, embedded crystal, package outline
Note:
Table 17.
Symbol
ddd
A1
A2
A
B
C
D
E
H
N
e
L
a
Drawing is not to scale.
SOX28 – 28-lead plastic small outline, 300 mils, embedded crystal, mechanical data
A2
SO-E
1.27
Typ
14
15
B
millimeters
D
e
17.91
10.16
2.44
0.15
2.29
0.41
0.20
7.57
0.51
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
A1
Package mechanical data
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°
–
37/41