HI-REL OPERATIONS
DESIGN / PROCESS CHANGE NOTIFICATION
PCN Nr: MA97021 Issued: 06/19/1997
GIDEP Nr: AH6-C-97-14GIDEP Category: PCNTRB Nr: 112
Summary: LFAST Step Coverage


This is to advise you that a Design and/or Process Change will be made to the following High Reliability product(s):


Product ID (Description):
INTERFACE PRODUCT LISTED IN TABLE I

Proposed Date of Change:
June 1997

Description of Change:
National Semiconductor's TRB (Technical Review Board) and DSCC (Defense Supply Center Columbus) have approved a modification to the metallization step coverage criteria from 50% to a minimum of 30% (remaining metallization) for the S Level products shown in Table I.

Approval was based upon design rules, reliability data and current density calculations.

REF: Mil-Std-883, TM2018

Effect of Change:
Availability of QMLV level product to a Standard Microcircuit Drawing.

For further questions contact:
North America
Europe
QA Manager
Tel: 408-721-3509
Email: Dennis.Tanguay.@nsc.com
Tel: +49 (0)8141 35-1483 / 1402
PCN Manager
Tel: 408-721-3161
Email: susan.davis@nsc.com
Hi Rel Operations Marketing:
Tel: +49 (0)8141 35 1360
Email:
Paul.McCormack@nsc.com
Customer Support Center
Tel: 1-800-272-9959
Email: support@nsc.com
Tel: +49 (0)180 530 8585 (German)
Tel: +49 (0)180 532 7832 (English)
Email: europe.support@nsc.com
Other contacts
Susan Davis
Manager, Program Management Group
Military/Aerospace Division
Ph.#  408/721-3161
email: susan.davis@nsc.com
Other Ref:

Associated Notes / Table(s):

TABLE I:

DS16F95J-QMLV 5962-8961501VPA RS-485/RS-422 DIFFERENTIAL BUS TRANSCEIVER
DS16F95W-QMLV 5962-8961501VHA

DS26F31MJ-QMLV 5962-7802302VEA QUAD HIGH SPEED DIFFERENTIAL LINE DRIVER
DS26F31MW-QMLV 5962-7802302VFA

DS26F32MJ-QMLV 5962-7802005VEA QUAD DIFFERENTIAL LINE RECEIVER
DS26F32MW-QMLV 5962-7802005VFA

DS96F172MJ-QMLV 5962-9076501VEA RS-485/RS-422 QUAD DIFFERENTIAL DRIVER

DS96F173MJ-QMLV 5962-9076602VEA RS-485/RS-422 QUAD DIFFERENTIAL RECEIVER


DS96F174MJ-QMLV 5962-9076502VEA RS-485/RS-422 QUAD DIFFERENTIAL DRIVER

DS96F175MJ-QMLV 5962-9076601VEA RS-485/RS-422 QUAD DIFFERENTIAL RECEIVER


This PCN can also be sent to customers by copying and pasting
the attached PDF file into an email:-

ma97021.pdf