M41ST87Y_08 datasheet(45/48 Pages) STMICROELECTRONICS

Part #	M41ST87Y

Description	5.0 V and 3.3/3.0 V secure serial RTC and NVRAM supervisor with tamper detection and 128 bytes of clearable NVRAM

PDF	48 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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45 / 48 page

M41ST87Y, M41ST87W

Package mechanical data

45/48

Package mechanical data

In order to meet environmental requirements, ST offers these devices in ECOPACK®

packages. ECOPACK® packages are lead-free. The category of second Level Interconnect

is marked on the package and on the inner box label, in compliance with JEDEC Standard

JESD97. The maximum ratings related to soldering conditions are also marked on the inner

box label. ECOPACK is an ST trademark. ECOPACK specifications are available at:

www.st.com.

Figure 28.

SOX28 – 28-lead plastic small outline, 300 mils, embedded crystal outline

Note:

Drawing is not to scale.

Table 19.

SOX28 – 28-lead plastic small outline, 300 mils, embedded crystal, mechanical data

Symbol

millimeters

inches

Typ

Min

Max

Typ

Min

Max

2.44

2.69

0.096

0.106

0.15

0.31

0.006

0.012

2.29

2.39

0.090

0.094

0.41

0.51

0.016

0.020

0.20

0.31

0.008

0.012

17.91

18.01

0.705

0.709

ddd

0.10

0.004

7.57

7.67

0.298

0.302

1.27

–

0.050

–

10.16

10.52

0.400

0.414

0.51

0.81

0.020

0.032

a0°

8°

0°

8°

N28

SO-E

h x 45

ddd

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