M41ST85WMX6 STMicroelectronics, M41ST85WMX6 Datasheet - Page 31

• Manufacturer Part Number: M41ST85WMX6
• Description: IC RTC 3.0V NVRAM 28SOIC
• Manufacturer: STMicroelectronics
• Type: Clock/Calendar/Supervisorr

Specifications of M41ST85WMX6

• 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)
• Memory Configuration: 64 X 8
• Nvram Features: RTC, Internal Battery, XTAL
• Interface Type: I2C, Serial, 2-Wire
• Supply Voltage Range: 2.7V To 3.6V
• Memory Case Style: SO
• No. Of Pins: 28
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-2805-5

Figure 26. SOX28 – 28-lead Plastic Small Outline, 300mils, Embedded Crystal, Package Outline
Note: Drawing is not to scale.
Table 17. SOX28 – 28-lead Plastic Small Outline, 300mils, Embedded Crystal, Mech. Data
A2
Symbol
ddd
A1
A2
A
B
C
D
E
H
N
e
L
SO-E
14
15
B
1.27
Typ
D
e
millimeters
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
E
Max
2.69
0.31
2.39
0.51
0.31
0.10
7.67
0.81
8°
–
H
A
ddd
0.050
Typ
M41ST85Y, M41ST85W
inches
0.096
0.006
0.090
0.016
0.008
0.705
0.298
0.400
0.020
Min
A1
28
0°
–
L
0.106
0.012
0.094
0.020
0.012
0.709
0.004
0.302
0.414
0.032
Max
h x 45
8°
–
31/34
C