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PCA9518D Schematic ( PDF Datasheet ) - NXP Semiconductors

Teilenummer PCA9518D
Beschreibung Expandable 5-channel I2C hub
Hersteller NXP Semiconductors
Logo NXP Semiconductors Logo 




Gesamt 12 Seiten
PCA9518D Datasheet, Funktion
INTEGRATED CIRCUITS
PCA9518
Expandable 5-channel I2C hub
Product data sheet
Supersedes data of 2004 Jun 24
2004 Sep 29
Philips
Semiconductors






PCA9518D Datasheet, Funktion
Philips Semiconductors
Expandable 5-channel I2C hub
Product data sheet
PCA9518
BUS 0
SCL OF MASTER
SDA OF MASTER
VOL OF MASTER
9TH CLOCK CYCLE
VOL OF PCA9518
tst
9TH CLOCK CYCLE
EXPSDA1
EXPSDA2
EXPANSION
BUS
EXPSCL1
tf1
tr1
tf2
tEr1
tr2
EXPSCL2
SCL OF SLAVE
BUS 1
SDA OF SLAVE
tPHL
BUS n
WITH n > 1
tPLH
VOL OF SLAVE
VOL OF PCA9518
Figure 5. Bus waveforms
SW01090
It is important to note that any arbitration or clock stretching events on Bus 1 require that the VOL of the devices on Bus 1 be 70 mV below the
VOL of the PCA9518 (see VOL – Vilc in the DC Characteristics section) to be recognized by the PCA9518 and then transmitted to Bus 0.
2004 Sep 29
6

6 Page









PCA9518D pdf, datenblatt
Philips Semiconductors
Expandable 5-channel I2C hub
Product data sheet
PCA9518
Purchase of Philips I2C components conveys a license under the Philips’ I2C patent
to use the components in the I2C system provided the system conforms to the
I2C specifications defined by Philips. This specification can be ordered using the
code 9398 393 40011.
Data sheet status
Level
Data sheet status [1]
Product
status [2] [3]
I Objective data
Development
Definitions
This data sheet contains data from the objective specification for product development.
Philips Semiconductors reserves the right to change the specification in any manner without notice.
II Preliminary data
Qualification
This data sheet contains data from the preliminary specification. Supplementary data will be published
at a later date. Philips Semiconductors reserves the right to change the specification without notice, in
order to improve the design and supply the best possible product.
III Product data
Production
This data sheet contains data from the product specification. Philips Semiconductors reserves the
right to make changes at any time in order to improve the design, manufacturing and supply. Relevant
changes will be communicated via a Customer Product/Process Change Notification (CPCN).
[1] Please consult the most recently issued data sheet before initiating or completing a design.
[2] The product status of the device(s) described in this data sheet may have changed since this data sheet was published. The latest information is available on the Internet at URL
http://www.semiconductors.philips.com.
[3] For data sheets describing multiple type numbers, the highest-level product status determines the data sheet status.
Definitions
Short-form specification — The data in a short-form specification is extracted from a full data sheet with the same type number and title. For detailed information see
the relevant data sheet or data handbook.
Limiting values definition — Limiting values given are in accordance with the Absolute Maximum Rating System (IEC 60134). Stress above one or more of the limiting
values may cause permanent damage to the device. These are stress ratings only and operation of the device at these or at any other conditions above those given
in the Characteristics sections of the specification is not implied. Exposure to limiting values for extended periods may affect device reliability.
Application information — Applications that are described herein for any of these products are for illustrative purposes only. Philips Semiconductors make no
representation or warranty that such applications will be suitable for the specified use without further testing or modification.
Disclaimers
Life support — These products are not designed for use in life support appliances, devices, or systems where malfunction of these products can reasonably be
expected to result in personal injury. Philips Semiconductors customers using or selling these products for use in such applications do so at their own risk and agree
to fully indemnify Philips Semiconductors for any damages resulting from such application.
Right to make changes — Philips Semiconductors reserves the right to make changes in the products—including circuits, standard cells, and/or software—described
or contained herein in order to improve design and/or performance. When the product is in full production (status ‘Production’), relevant changes will be communicated
via a Customer Product/Process Change Notification (CPCN). Philips Semiconductors assumes no responsibility or liability for the use of any of these products, conveys
no license or title under any patent, copyright, or mask work right to these products, and makes no representations or warranties that these products are free from patent,
copyright, or mask work right infringement, unless otherwise specified.
Contact information
For additional information please visit
http://www.semiconductors.philips.com.
Fax: +31 40 27 24825
For sales offices addresses send e-mail to:
© Koninklijke Philips Electronics N.V. 2004
All rights reserved. Published in the U.S.A.
Document number:
Date of release: 09-04
9397 750 14109
Philips
Semiconductors
2004 Sep 29
12

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