4

SL490B

PACKAGE DETAILS

Dimensions are shown thus: mm (in)

HEADQUARTERS OPERATIONS

GEC PLESSEY SEMICONDUCTORS

Cheney Manor, Swindon,

Wiltshire SN2 2QW, United Kingdom.

Tel: (0793) 518000

Fax: (0793) 518411

GEC PLESSEY SEMICONDUCTORS

P.O. Box 660017

1500 Green Hills Road,

Scotts Valley, CA95067-0017

United States of America.

Tel (408) 438 2900

Fax: (408) 438 5576

CUSTOMER SERVICE CENTRES

q FRANCE & BENELUX Les Ulis Cedex Tel: (1) 64 46 23 45 Fax : (1) 64 46 06 07

q GERMANY Munich Tel: (089) 3609 06-0 Fax : (089) 3609 06-55

q ITALY Milan Tel: (02) 66040867 Fax: (02) 66040993

q JAPAN Tokyo Tel: (3) 5276-5501 Fax: (3) 5276-5510

q NORTH AMERICA Scotts Valley, USA Tel: (408) 438 2900 Fax: (408) 438 7023.

q SOUTH EAST ASIA Singapore Tel: (65) 3827708 Fax: (65) 3828872

q SWEDEN Stockholm Tel: 46 8 702 97 70 Fax: 46 8 640 47 36

q UK, EIRE, DENMARK, FINLAND & NORWAY

Swindon Tel: (0793) 518510 Fax : (0793) 518582

These are supported by Agents and Distributors in major countries world-wide.

© GEC Plessey Semiconductors 1994 Publication No. DS3056 Issue No. 1.3 April 1995

This publication is issued to provide information only which (unless agreed by the Company in writing) may not be used, applied or reproduced for any purpose nor form part of any order or contract nor to be regarded

as a representation relating to the products or services concerned. No warranty or guarantee express or implied is made regarding the capability, performance or suitability of any product or service. The Company

reserves the right to alter without prior knowledge the specification, design or price of any product or service. Information concerning possible methods of use is provided as a guide only and does not constitute

any guarantee that such methods of use will be satisfactory in a specific piece of equipment. It is the user's responsibility to fully determine the performance and suitability of any equipment using such information

and to ensure that any publication or data used is up to date and has not been superseded. These products are not suitable for use in any medical products whose failure to perform may result in significant injury

or death to the user. All products and materials are sold and services provided subject to the Company's conditions of sale, which are available on request.

0·51 (0·02)

MIN

0·38/0·61

(0·015/0·24)

25·40 (1·000)

MAX

7·11 (0·28)

MAX

18-LEAD PLASTIC DIL – DP18

1

18

3·05 (0·120)

MIN

PIN 1 REF

NOTCH

0·23/0·41

(0·009/0·016)

7·62 (0·3)

NOM CTRS

5·08/(0·20)

MAX

18 LEADS AT 2·54 (0·10)

NOM. SPACING

1·14/1·65

(0·045/0·065)

SEATING PLANE

NOTES

1. Controlling dimensions are inches.

2. This package outline diagram is for guidance

only. Please contact your GPS Customer

Service Centre for further information.