M41ST85WMX6 STMicroelectronics, M41ST85WMX6 Datasheet - Page 35

• 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

M41ST85W
Figure 22. SH – 4-pin SNAPHAT
Note:
Table 15.
Symbol
A1
A2
A3
eA
eB
A
B
D
E
L
Drawing is not to scale.
SH – 4-pin SNAPHAT
Typ
millimeters
®
®
21.21
14.22
15.55
6.73
6.48
0.46
3.20
2.03
Min
housing for 48 mAh battery & crystal, package outline
housing for 48 mAh battery & crystal, mechanical data
eA
D
21.84
14.99
15.95
Max
9.78
7.24
6.99
0.38
0.56
3.61
2.29
A1
E
A
B
Typ
eB
SHTK-A
Package mechanical data
inches
0.2650
0.2551
0.0181
0.8350
0.5598
0.6122
0.1260
0.0799
A3
Min
L
A2
0.3850
0.2850
0.2752
0.0150
0.0220
0.8598
0.5902
0.6280
0.1421
0.0902
Max
35/41