GS1574 Data Sheet
28854 - 5 May 2007 16 of 18
6.2 Land Information
The Center Pad should be connected to the most negative power supply plane for
analog circuitry in the device (VEE_A) by a minimum of 5 vias.
NOTE: Suggested dimensions only. Final dimensions should conform to customer
design rules and process optimizations.
6.3 Packaging Data
0.35
0.55
2.76
3.70
2.76
3
.70
NOTE: All dimensio
ns
are in millimeters.
0.65
CENTER PAD
Parameter Value
Package Type 4mm x 4mm 16-pin QFN
Package Drawing Reference JEDEC M0220
Moisture Sensitivity Level 3
Junction to Case Thermal Resistance, θ
j-c
31.0°C/W
Junction to Air Thermal Resistance, θ
j-a
(at zero airflow) 43.8°C/W
Psi 11.0°C/W
Pb-free and RoHS Compliant Yes
GS1574 Data Sheet
28854 - 5 May 2007 17 of 18
6.4 Marking Diagram
6.5 Ordering Information
Pin 1 ID
GS1574
XXX XE
3
YYWW
YYWW - Date Code
YY - 2-digit year
WW - 2-digit week number
XXXX - Lot/Work Order ID
Part Number Package Temperature Range
GS1574-CNE3 Pb-free 16-pin QFN 0°C to 70°C
CAUTION
ELECTROSTATIC SENSITIVE DEVICES
DO NOT OPEN PACKAGES OR HANDLE
EXCEPT AT A STATIC-FREE WORKSTATION
GENNUM CORPORATION
Mailing Address: P.O. Box 489, Stn. A, Burlington, Ontario, Canada L7R 3Y3
Shipping Address: 970 Fraser Drive, Burlington, Ontario, Canada L7L 5P5
Tel. +1 (905) 632-2996 Fax. +1 (905) 632-5946
GENNUM JAPAN CORPORATION
Shinjuku Green Tower Building 27F, 6-14-1, Nishi Shinjuku, Shinjuku-ku, Tokyo, 160-0023 Japan
Tel. +81 (03) 3349-5501, Fax. +81 (03) 3349-5505
GENNUM UK LIMITED
25 Long Garden Walk, Farnham, Surrey, England GU9 7HX
Tel. +44 (0)1252 747 000 Fax +44 (0)1252 726 523
Gennum Corporation assumes no liability for any errors or omissions in this document, or for the use of the
circuits or devices described herein. The sale of the circuit or device described herein does not imply any
patent license, and Gennum makes no representation that the circuit or device is free from patent infringement.
GENNUM and the G logo are registered trademarks of Gennum Corporation.
© Copyright 2004 Gennum Corporation. All rights reserved. Printed in Canada.
www.gennum.com
GS1574 Data Sheet
28854 - 5 May 2007
18
18 of 18
DOCUMENT IDENTIFICATION
DATA SHEET
The product is in production. Gennum reserves the right to make
changes to the product at any time without notice to improve reliability,
function or design, in order to provide the best product possible.
7. Revision History
Version ECR PCN Date Changes and/or Modifications
0 134166 August 2004 Upgrade to preliminary data sheet. Remove all information on the
GS9074. Expand detailed description information. AC/DC
parameters updated. Add Pb-free and conventional solder reflow
profiles. Edit pin descriptions.
1 134891 November 2004 Added packaging data section. Added Pad Layout information.
Updated Packaging Dimensions diagram. Corrected minor typing
errors.
2 135370 December 2004 Added Typical Application Circuit section with application
information for future drop-in compatibility with GS1574A part.
3 140439 39461 May 2006 Convert to Data Sheet. Modified inductor value in Application
Information. Amended notes on MCLADJ above 360 Mb/s.
Changed Green references to RoHS. Corrected typing errors in
Package Dimensions.
4 142113 40438 September 2006 Modified format for output cable length jitter data in AC Electrical
Characteristics.
5 145127 43739 May 2007 Updated Package Dimensions diagram. Added section 6.4
Marking Diagram.

GS1574-CTE3

Mfr. #:
Manufacturer:
Semtech
Description:
Equalizers QFN-16 Pin Taped (250/reel)
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

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