M41T81 查看數據表（PDF） - STMicroelectronics

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产品描述 (功能)

生产厂家

M41T81

Serial access real-time clock with alarm

STMicroelectronics 

Package mechanical information

M41T81

Note:

Figure 17. SO8 – 8-lead plastic small package outline

h x 45°

A2

A

c

ccc

b

e

0.25 mm

D

GAUGE PLANE

8

E1 E

1

A1

L

L1

k

SO-A

Drawing is not to scale.

Table 14. SO8 – 8-lead plastic small outline (150 mils body width), package

mechanical data

Symbol

Millimeters

Typ

Min

Max

inches

Typ

Min

Max

A

1.75

0.069

A1

0.10

0.25

0.004

0.010

A2

1.25

0.049

b

0.28

0.48

0.011

0.019

c

0.17

0.23

0.007

0.009

ccc

0.10

0.004

D

4.90

4.80

5.00

0.193

0.189

0.197

E

6.00

5.80

6.20

0.236

0.228

0.244

E1

3.90

3.80

4.00

0.154

0.150

0.157

e

1.27

–

–

0.050

–

–

h

0.25

0.50

0.010

0.020

k

0°

8°

0°

8°

L

0.40

1.27

0.016

0.050

L1

1.04

0.041

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Doc ID 7529 Rev 10

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