M41T81SM6E STMicroelectronics, M41T81SM6E Datasheet - Page 28

• Manufacturer Part Number: M41T81SM6E
• Description: IC RTC SER ACCESS W/ALARM 8-SOIC
• Manufacturer: STMicroelectronics
• Type: Clock/Calendar/Alarmr

Specifications of M41T81SM6E

• 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)
• Clock Format: HH
• Clock Ic Type: RTC
• Interface Type: I2C, Serial
• Supply Voltage Range: 2.7V To 5.5V
• Digital Ic Case Style: SOIC
• No. Of Pins: 8
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-6708-5; M41T81SM6E

Package mechanical data
6
Note:
28/32
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 18. SO8 – 8-lead plastic small package outline
Drawing is not to scale.
Table 14.
Symb
ccc
A1
A2
E1
L1
A
D
E
b
e
h
L
c
k
®
®
packages, depending on their level of environmental compliance. ECOPACK
is an ST trademark.
SO8 – 8-lead plastic small outline (150 mils body width), package
mechanical data
A2
4.90
6.00
3.90
1.27
1.04
Typ
b
8
1
e
D
Doc ID 10773 Rev 6
0.10
1.25
0.28
0.17
4.80
5.80
3.80
0.25
0.40
E1
mm
Min
0°
A
E
ccc
0.127
Max
1.75
0.25
0.48
0.23
0.10
5.00
6.20
4.00
0.50
8°
A1
0.193
0.236
0.154
0.050
0.041
Typ
L1
L
GAUGE PLANE
h x 45°
0.25 mm
inches
c
0.004
0.049
0.011
0.007
0.189
0.228
0.150
0.010
0.016
Min
0°
k
M41T81S
0.069
0.010
0.019
0.009
0.004
0.197
0.244
0.157
0.020
0.050
Max
8°
SO-A
®