PCA2002U/10AB/1,00 NXP Semiconductors, PCA2002U/10AB/1,00 Datasheet - Page 26

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PCA2002U/10AB/1,00

Manufacturer Part Number
PCA2002U/10AB/1,00
Description
Manufacturer
NXP Semiconductors
Datasheet

Specifications of PCA2002U/10AB/1,00

Lead Free Status / RoHS Status
Compliant
NXP Semiconductors
19. Contents
1
2
3
4
5
6
6.1
6.2
7
7.1
7.2
7.3
7.4
7.5
7.6
7.7
7.8
7.9
7.10
8
9
10
11
12
12.1
12.2
13
13.1
13.2
13.3
13.3.1
13.3.2
13.3.3
13.3.4
14
15
16
17
17.1
17.2
17.3
17.4
18
General description . . . . . . . . . . . . . . . . . . . . . . 1
Features and benefits . . . . . . . . . . . . . . . . . . . . 1
Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Ordering information . . . . . . . . . . . . . . . . . . . . . 2
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Pinning information . . . . . . . . . . . . . . . . . . . . . . 3
Functional description . . . . . . . . . . . . . . . . . . . 4
Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . 12
Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . 13
OTP programming characteristics . . . . . . . . . 14
Bare die outline . . . . . . . . . . . . . . . . . . . . . . . . 15
Packing information . . . . . . . . . . . . . . . . . . . . 17
Soldering of WLCSP packages. . . . . . . . . . . . 20
Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . 22
References . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Revision history . . . . . . . . . . . . . . . . . . . . . . . . 23
Legal information. . . . . . . . . . . . . . . . . . . . . . . 24
Contact information. . . . . . . . . . . . . . . . . . . . . 25
Programming possibilities. . . . . . . . . . . . . . . . . 5
Type recognition . . . . . . . . . . . . . . . . . . . . . . . . 6
Measurement of the oscillator frequency
and the inhibition time. . . . . . . . . . . . . . . . . . . 10
Unsawn wafer information . . . . . . . . . . . . . . . 19
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 3
Motor pulse . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Time calibration . . . . . . . . . . . . . . . . . . . . . . . . 4
Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Programming procedure . . . . . . . . . . . . . . . . . . 7
Programming the memory cells . . . . . . . . . . . . 8
Checking the memory content . . . . . . . . . . . . . 9
Frequency tuning at assembled watch . . . . . . 10
Tray information . . . . . . . . . . . . . . . . . . . . . . . 17
Introduction to soldering WLCSP packages . . 20
Board mounting . . . . . . . . . . . . . . . . . . . . . . . 20
Reflow soldering . . . . . . . . . . . . . . . . . . . . . . . 20
Stand off . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Quality of solder joint . . . . . . . . . . . . . . . . . . . 21
Rework . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Data sheet status . . . . . . . . . . . . . . . . . . . . . . 24
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Trademarks. . . . . . . . . . . . . . . . . . . . . . . . . . . 25
32 kHz watch circuit with programmable output period and pulse width
19
Please be aware that important notices concerning this document and the product(s)
described herein, have been included in section ‘Legal information’.
© NXP B.V. 2010.
For more information, please visit: http://www.nxp.com
For sales office addresses, please send an email to: salesaddresses@nxp.com
Contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Document identifier: PCA2002_6
PCA2002
Date of release: 6 May 2010
All rights reserved.

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