PDIUSB~4.PDF

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PRODUCT DIVISION
SEMICONDUCTORS
CPCN nr: LPG-177
NOTIFICATION OF
MINOR
PRODUCT ALTERATION
To: See distributionlist
From:
Henk Kloen
Quality Manager
Logic Products Group
Philips Semiconductors
Nijmegen, The Netherlands
4 March 1998
(MSO, ISO contact)
Date:
Type(s) involved:
PDIUSBH11A
(see attached part-list)
Description of alteration:
•
Re-routing of the reset pins of the internal synchronisation flip-flops to the hardware reset, rather
than the bus reset signal.
Reason for alteration:
•
In a multiple I
2
C environment, the USB-H11A-2 will sometimes acknowledge and respond to I
2
C
traffic, not directed to it.
Expected influence on performance:
•
None, except for the rare initialization cases described above, where the H11A-3 will no longer
respond unpredictably.
Expected influence on quality/reliability:
•
None
Samples available
for customer approval:
Introduction of alteration
- Implentation planning:
- Identification after implementation:
- Disposal of existing stock:
Accepted by PG Marketing Manager:
Catherine de Villeneuve
Now
1 April 1998
Last digit, line 3, changes from “2” to “3”
Normal delivery
Accepted by Product Group Manager:
Frans van Wijk
Date:
+
12031998
Date:
+
09031998
PRODUCT DIVISION
SEMICONDUCTORS
CPCN nr: LPG-177
NOTIFICATION OF
MINOR
PRODUCT ALTERATION
To:
From:
(Customer)
(MSO, ISO contact)
Date:
Type(s) involved:
PDIUSBH11A
(see attached part-list)
Description of alteration:
•
Re-routing of the reset pins of the internal synchronisation flip-flops to the hardware reset, rather
than the bus reset signal.
Reason for alteration:
•
In a multiple I
2
C environment, the USB-H11A-2 will sometimes acknowledge and respond to I
2
C
traffic, not directed to it.
Expected influence on performance:
•
None, except for the rare initialization cases described above, where the H11A-3 will no longer
respond unpredictably.
Expected influence on quality/reliability:
•
None
Samples available
for customer approval:
Introduction of alteration
- Implentation planning:
- Identification after implementation:
- Disposal of existing stock:
Customer Comment:
Now
1 April 1998
Last digit, line 3, changes from “2” to “3”
Normal delivery
(signed)
(customer)
Date:
For further information, please contact: Henk Kloen, Quality Manager, Logic Products Group
Tel: +31-24-353.2464
Fax: +31-24-353.3424 Email: H.K.Kloen@nl.ccmail.philips.com

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