JEITA ED-7502
JEITA ED-7502
JEITA ED-7502
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<strong>JEITA</strong><br />
Standard of Japan Electronics and Information Technology Industries Association<br />
<strong>JEITA</strong> <strong>ED</strong>-<strong>7502</strong><br />
Manual for the preparation of outline drawings<br />
of discrete semiconductor packages<br />
Published in June, 2006<br />
Investigated by<br />
Technical Standardization Committee on Semiconductor Device Package<br />
Published by<br />
Japan Electronics and Information Technology Industries Association
This document is a translation without guarantee. In the event of any doubt arising,<br />
the original standard in Japanese is to be evidenced.<br />
<strong>JEITA</strong> standards are established independently to any existing patents on the<br />
products, materials or processes they cover.<br />
<strong>JEITA</strong> assumes absolutely no responsibility toward parties applying these<br />
standards or toward patent owners.<br />
C 2006 by the Japan Electronics and Information Technology Industries Association<br />
All rights reserved. No part of this standard may be reproduced in any form or by<br />
any means without prior permission in writing from the publisher.
CONTENTS<br />
1. Scope ········································································································································ 1<br />
2. Terminology ······························································································································· 1<br />
3. Contents of this manual ·············································································································· 1<br />
4. Structure of the individual standard ······························································································ 1<br />
5. Details of the individual standard ································································································· 1<br />
5.1 Master form ······························································································································ 1<br />
5.2 Outline drawing ························································································································ 2<br />
5.3 Table of dimensions ·················································································································· 2<br />
6. Registration, constitution and revision of the standards ································································· 3<br />
7. Assignment of the terminal numbers ···························································································· 3<br />
8. Common rules for the preparation of the outline drawings ····························································· 4<br />
8.1 Preparation of the package outline drawings and dimensions ······················································ 4<br />
8.2 Common rules of assigning symbols and naming dimensions ······················································ 5<br />
8.3 Preparation of the table of dimensions ······················································································· 5<br />
9. Individual rules of the symbols and names of the outline dimensions ·············································· 5<br />
10. Dimensions to be specified in the individual standard ·································································· 5<br />
Attached Drawing 1 ·························································································································· 6<br />
Attached Table 1 ······························································································································ 7<br />
Attached Drawing 2a ························································································································· 8<br />
Attached Drawing 2b ························································································································· 9<br />
Attached Drawing 2c ······················································································································· 10<br />
Attached Table 2 Symbols and names of the commonly used dimensions ······································· 11<br />
Attached Table 3 Dimensions to be indicated in the individual standards ·········································· 15<br />
Attached Drawing 3 ························································································································ 18<br />
Attached Table 3a ·························································································································· 19<br />
Attached Drawing 4 ························································································································ 20<br />
Attached Table 4a ·························································································································· 21<br />
Attached Drawing 5 ························································································································ 22<br />
Attached Table 5a ·························································································································· 23<br />
Attached Drawing 6 ························································································································ 24<br />
Attached Table 6a ·························································································································· 25<br />
Attached Drawing 7 ························································································································ 26
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