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PCA2002CX8/5/1 bảng dữ liệu(PDF) 25 Page - NXP Semiconductors

tên linh kiện PCA2002CX8/5/1
Giải thích chi tiết về linh kiện  32 kHz watch circuit with programmable output period and pulse width
PDF  25 Pages
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nhà sản xuất  NXP [NXP Semiconductors]
Trang chủ  http://www.nxp.com
Logo NXP - NXP Semiconductors

PCA2002CX8/5/1 bảng dữ liệu(HTML) 25 Page - NXP Semiconductors

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NXP Semiconductors
PCA2002
32 kHz watch circuit programmable output period and pulse width
© NXP B.V. 2008.
All rights reserved.
For more information, please visit: http://www.nxp.com
For sales office addresses, please send an email to: salesaddresses@nxp.com
Date of release: 11 November 2008
Document identifier: PCA2002_5
Please be aware that important notices concerning this document and the product(s)
described herein, have been included in section ‘Legal information’.
18. Contents
1
General description . . . . . . . . . . . . . . . . . . . . . . 1
2
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
3
Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
4
Ordering information . . . . . . . . . . . . . . . . . . . . . 2
5
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 2
6
Pinning information . . . . . . . . . . . . . . . . . . . . . . 3
6.1
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
6.2
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 3
7
Functional description . . . . . . . . . . . . . . . . . . . 4
7.1
Motor pulse . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
7.2
Time calibration . . . . . . . . . . . . . . . . . . . . . . . . 4
7.3
Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
7.4
Programming possibilities. . . . . . . . . . . . . . . . . 5
7.5
Type recognition . . . . . . . . . . . . . . . . . . . . . . . . 6
7.6
Programming procedure . . . . . . . . . . . . . . . . . . 7
7.7
Programming the memory cells . . . . . . . . . . . . 8
7.8
Checking the memory content . . . . . . . . . . . . . 9
7.9
Frequency tuning at assembled watch . . . . . . 10
7.10
Measurement of the oscillator frequency
and the inhibition time. . . . . . . . . . . . . . . . . . . 10
8
Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . 12
9
Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . 13
10
OTP programming characteristics . . . . . . . . . 14
11
Bare die outline . . . . . . . . . . . . . . . . . . . . . . . . 15
12
Packing information. . . . . . . . . . . . . . . . . . . . . 17
12.1
Tray information . . . . . . . . . . . . . . . . . . . . . . . 17
12.2
Unsawn wafer information . . . . . . . . . . . . . . . 19
13
Soldering of WLCSP packages. . . . . . . . . . . . 20
13.1
Introduction to soldering WLCSP packages . . 20
13.2
Board mounting . . . . . . . . . . . . . . . . . . . . . . . 20
13.3
Reflow soldering . . . . . . . . . . . . . . . . . . . . . . . 20
13.3.1
Stand off . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
13.3.2
Quality of solder joint . . . . . . . . . . . . . . . . . . . 21
13.3.3
Rework . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
13.3.4
Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
14
Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . 22
15
Revision history . . . . . . . . . . . . . . . . . . . . . . . . 23
16
Legal information. . . . . . . . . . . . . . . . . . . . . . . 24
16.1
Data sheet status . . . . . . . . . . . . . . . . . . . . . . 24
16.2
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
16.3
Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
16.4
Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
17
Contact information. . . . . . . . . . . . . . . . . . . . . 24
18
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25



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