M41T81SM6F STMicroelectronics, M41T81SM6F Datasheet - Page 29

• Manufacturer Part Number: M41T81SM6F
• Description: IC RTC SERIAL W/ALARM 8SOIC
• Manufacturer: STMicroelectronics
• Type: Clock/Calendar/Alarmr

Specifications of M41T81SM6F

• Memory Size: 20B
• Time Format: HH:MM:SS:hh (24 hr)
• Date Format: YY-MM-DD-dd
• Interface: I²C, 2-Wire Serial
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Function: Clock/Calendar/Alarm/Timer Interrupt
• Rtc Memory Size: 20 Byte
• Supply Voltage (max): 5.5 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 (I2C)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-4684-2

M41T81S
Note:
Figure 19. SOX18 – 18-lead plastic small outline, 300 mils, embedded crystal, outline
Drawing is not to scale.
Table 15.
Symbol
A1
A2
E1
D
A
B
E
c
e
L
SOX18 – 18-lead plastic small outline, 300 mils, embedded crystal,
package mechanical data
11.61
10.34
2.57
0.23
2.34
0.46
0.25
7.62
1.27
0.66
Typ
millimeters
11.56
10.16
Doc ID 10773 Rev 6
2.44
0.15
2.29
0.41
0.20
7.57
0.51
Min
11.66
10.52
Max
2.69
0.31
2.39
0.51
0.31
7.67
0.81
0.101
0.009
0.092
0.018
0.010
0.457
0.300
0.407
0.050
0.026
Typ
Package mechanical data
inches
0.096
0.006
0.090
0.016
0.008
0.455
0.298
0.400
0.020
Min
0.106
0.012
0.094
0.020
0.012
0.459
0.302
0.414
0.032
Max
SOX18
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