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DATA SHEET
74LVC2245A Octal transceiver with direction pin, 30 series termination resistors; 5 V tolerant input/output; 3-state
Product specification Supersedes data of 2002 Jun 10 2003 Nov 17
Philips Semiconductors
Product specification
Octal transceiver with direction pin, 30 series termination resistors; 5 V tolerant input/output; 3-state
FEATURES * 5 V tolerant inputs/outputs for interfacing with 5 V logic * Wide supply voltage range from 1.2 to 3.6 V * CMOS low power consumption * Direct interface with TTL levels * Inputs accept voltages up to 5.5 V * Integrated 30 termination resistors * Complies with JEDEC standard no. 8-1A * ESD protection: HBM EIA/JESD22-A114-A exceeds 2000 V MM EIA/JESD22-A115-A exceeds 200 V. * Specified from -40 to +85 C and -40 to +125 C. DESCRIPTION
74LVC2245A
The 74LVC2245A is a high-performance, low-power, low-voltage, Si-gate CMOS device, superior to most advanced CMOS compatible TTL families. Inputs can be driven from either 3.3 or 5 V devices. In 3-state operation, outputs can handle 5 V. These features allow the use of these devices as translators in a mixed 3.3 and 5 V environment. The 74LVC2245A is an octal transceiver featuring non-inverting 3-state bus compatible outputs in both send and receive directions. The 74LVC2245A features an output enable (OE) input for easy cascading and a send/receive (DIR) input for direction control. OE controls the outputs so that the buses are effectively isolated. The 74LVC2245A is designed with 30 series termination resistors in both HIGH and LOW output stages to reduce line noise.
QUICK REFERENCE DATA GND = 0 V; Tamb = 25 C; tr = tf 2.5 ns. SYMBOL tPHL/tPLH CI CPD Notes 1. CPD is used to determine the dynamic power dissipation (PD in W). PD = CPD x VCC2 x fi x N + (CL x VCC2 x fo) where: fi = input frequency in MHz; fo = output frequency in MHz; CL = output load capacitance in pF; VCC = supply voltage in Volts; N = total load switching outputs; (CL x VCC2 x fo) = sum of the outputs. 2. The condition is VI = GND to VCC. PARAMETER propagation delay An to Bn, Bn to An input capacitance power dissipation capacitance per buffer VCC = 3.3 V; notes 1 and 2 CONDITIONS CL = 50 pF; VCC = 3.3 V TYPICAL 3.6 4.0 13 ns pF pF UNIT
2003 Nov 17
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Philips Semiconductors
Product specification
Octal transceiver with direction pin, 30 series termination resistors; 5 V tolerant input/output; 3-state
ORDERING INFORMATION PACKAGE TYPE NUMBER TEMPERATURE RANGE 74LVC2245AD 74LVC2245ADB 74LVC2245APW 74LVC2245ABQ FUNCTION TABLE See note 1. INPUT OE L L H Note 1. H = HIGH voltage level; L = LOW voltage level; X = don't care; Z = high-impedance OFF-state. PINNING PIN 1 2 3 4 5 6 7 8 9 10 SYMBOL DIR A0 A1 A2 A3 A4 A5 A6 A7 GND DESCRIPTION direction control input data input/output data input/output data input/output data input/output data input/output data input/output data input/output data input/output ground (0 V) 20 VCC DIR L H X An A=B input Z -40 to +125 C -40 to +125 C -40 to +125 C -40 to +125 C PINS 20 20 20 20 PACKAGE SO20 SSOP20 TSSOP20 DHVQFN20
74LVC2245A
MATERIAL plastic plastic plastic plastic
CODE SOT163-1 SOT339-1 SOT360-1 SOT764-1
INPUT/OUTPUT Bn input B=A Z
PIN 11 12 13 14 15 16 17 18 19
SYMBOL B7 B5 B5 B4 B3 B2 B1 B0 OE
DESCRIPTION data input/output data input/output data input/output data input/output data input/output data input/output data input/output data input/output output enable input (active LOW) supply voltage
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Philips Semiconductors
Product specification
Octal transceiver with direction pin, 30 series termination resistors; 5 V tolerant input/output; 3-state
74LVC2245A
handbook, halfpage handbook, halfpage
DIR 1
VCC 20 19 18 17 16 2OE B0 B1 B2 B3 B4 B5 B6
DIR 1 A0 2 A1 3 A2 4 A3 5
20 VCC 19 OE
A0 A1
2 3 4 5
18 B0 17 B1 16 B2 A2 A3 A4
2245
A4 6 A5 7 A6 8 A7 9 GND 10
MNA363
15 B3 6 7 8 9 14 B4 13 B5 12 B6 11 B7 A7 A5 A6
GND(1)
15 14 13 12 10 Top view GND 11 B7
MNB148
(1) The die substrate is attached to this pad using conductive die attach material. It can not be used as a supply pin or input.
Fig.1 Pin configuration SO20 and (T)SSOP20.
Fig.2 Pin configuration DHVQFN20.
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Philips Semiconductors
Product specification
Octal transceiver with direction pin, 30 series termination resistors; 5 V tolerant input/output; 3-state
74LVC2245A
handbook, halfpage
1
DIR OE
19
2
handbook, halfpage
A0 B0 18
19 1
G3 3EN1 (BA) 3EN2 (AB) 3 A1
B1 1 2 3 4 5 6 7 8 9
MNA365
17
4 2 18 17 16 15 14 13 12 11 8 7 6
A2 B2 16
5
A3 B3 A4 B4 A5 B5 A6 B6 12 13 14 15
9
A7 B7 11
MNA174
Fig.3 Logic symbol (IEEE/IEC).
Fig.4 Logic symbol.
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Philips Semiconductors
Product specification
Octal transceiver with direction pin, 30 series termination resistors; 5 V tolerant input/output; 3-state
RECOMMENDED OPERATING CONDITIONS SYMBOL VCC PARAMETER supply voltage CONDITIONS for maximum speed performance for low-voltage applications VI VO Tamb tr, tf input voltage output voltage ambient temperature input rise and fall times VCC = 1.2 to 2.7 V VCC = 2.7 to 3.6 V output HIGH or LOW state output 3-state MIN. 2.7 1.2 0 0 0 -40 0 0
74LVC2245A
MAX. 3.6 3.6 5.5 VCC 5.5 +125 20 10 V V V V V
UNIT
C ns/V ns/V
LIMITING VALUES In accordance with the Absolute Maximum Rating System (IEC 60134); voltages are referenced to GND (ground = 0 V). SYMBOL VCC IIK VI IOK VO PARAMETER supply voltage input diode current input voltage output diode current output voltage VI < 0 note 1 VO > VCC or VO < 0 output HIGH or LOW state; note 1 output 3-state; note 1 IO ICC, IGND Tstg Ptot Notes 1. The input and output voltage ratings may be exceeded if the input and output current ratings are observed. 2. For SO20 packages: above 70 C derate linearly with 8 mW/K. For SSOP20 and TSSOP20 packages: above 60 C derate linearly with 5.5 mW/K. For DHVQFN20 packages: above 60 C derate linearly with 4.5 mW/K. output source or sink current VCC or GND current storage temperature power dissipation Tamb = -40 to +125 C; note 2 VO = 0 to VCC CONDITIONS - -0.5 - -0.5 -0.5 - - -65 - MIN. -0.5 MAX. +6.5 -50 +6.5 50 V mA V mA UNIT
VCC + 0.5 V +6.5 50 100 +150 500 V mA mA C mW
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Philips Semiconductors
Product specification
Octal transceiver with direction pin, 30 series termination resistors; 5 V tolerant input/output; 3-state
DC CHARACTERISTICS At recommended operating conditions; voltages are referenced to GND (ground = 0 V). TEST CONDITIONS SYMBOL PARAMETER OTHER Tamb = -40 to +85 C VIH VIL VOH HIGH-level input voltage LOW-level input voltage HIGH-level output voltage VI = VIH or VIL IO = -100 A IO = -6 mA IO = -12 mA VOL LOW-level output voltage VI = VIH or VIL IO = 100 A IO = 6 mA IO = 12 mA ILI IOZ Ioff ICC ICC input leakage current 3-state output OFF-state current power off leakage supply quiescent supply current VI = 5.5 V or GND VI = VIH or VIL; VO = 5.5 V or GND VI or VO = 5.5 V VI = VCC or GND; IO = 0 2.7 to 3.6 2.7 3.0 3.6 3.6 0.0 3.6 2.7 to 3.6 - - - - - - - - 0 - - 0.1 0.1 0.1 0.1 5 2.7 to 3.6 2.7 3.0 VCC - 0.2 VCC - 0.5 VCC - 0.8 VCC - - 1.2 2.7 to 3.6 1.2 2.7 to 3.6 VCC 2.0 - - - - - - VCC (V) MIN.
74LVC2245A
TYP.(1)
MAX.
UNIT
- - 0 0.8 - - - 0.2 0.4 0.55 5 5 10 10 500
V V V V V V V V V V A A A A A
additional quiescent supply VI = VCC - 0.6 V; current per pin IO = 0
2003 Nov 17
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Philips Semiconductors
Product specification
Octal transceiver with direction pin, 30 series termination resistors; 5 V tolerant input/output; 3-state
TEST CONDITIONS SYMBOL PARAMETER OTHER Tamb = -40 to +125 C VIH VIL VOH HIGH-level input voltage LOW-level input voltage HIGH-level output voltage VI = VIH or VIL IO = -100 A IO = -6 mA IO = -12 mA VOL LOW-level output voltage VI = VIH or VIL IO = 100 A IO = 6 mA IO = 12 mA ILI IOZ Ioff ICC ICC Note 1. All typical values are measured at VCC = 3.3 V and Tamb = 25 C. input leakage current 3-state output OFF-state current power off leakage supply quiescent supply current VI = 5.5 V or GND VI = VIH or VIL; VO = 5.5 V or GND VI or VO = 5.5 V VI = VCC or GND; IO = 0 2.7 to 3.6 2.7 3.0 3.6 3.6 0.0 3.6 2.7 to 3.6 - - - - - - - - - - - - - - - - 2.7 to 3.6 2.7 3.0 VCC - 0.3 VCC - 0.65 VCC - 1 - - - 1.2 2.7 to 3.6 1.2 2.7 to 3.6 VCC 2.0 - - - - - - VCC (V) MIN.
74LVC2245A
TYP.(1)
MAX.
UNIT
- - 0 0.8 - - - 0.3 0.6 0.8 20 20 20 40 5000
V V V V V V V V V V A A A A A
additional quiescent supply VI = VCC - 0.6 V; current per pin IO = 0
2003 Nov 17
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Philips Semiconductors
Product specification
Octal transceiver with direction pin, 30 series termination resistors; 5 V tolerant input/output; 3-state
AC CHARACTERISTICS GND = 0 V; tr = tf 2.5 ns. TEST CONDITIONS SYMBOL Tamb = -40 to +85 C tPHL/tPLH propagation delay An to Bn; Bn to An see Figs 5 and 7 1.2 2.7 tPZH/tPZL 3-state output enable time OE to An; OE to Bn see Figs 6 and 7 1.2 2.7 see Figs 6 and 7 1.2 2.7 note 2 - 1.5 - 1.5 - 1.5 - - 1.5 - 1.5 - 1.5 - 26 4.0 PARAMETER WAVEFORMS VCC (V) MIN.
74LVC2245A
TYP.
MAX.
UNIT
- 7.3 6.3 - 9.5 8.2 - 6.9 5.9 1.0 - 9.5 8.0 - 12.0 10.5 - 9.0 7.5 1.5
ns ns ns ns ns ns ns ns ns ns
3.0 to 3.6 1.5
3.6(1) 28 5.9 4.3(1) 12.0 3.8 3.4(1) -
3.0 to 3.6 1.5 tPHZ/tPLZ 3-state output disable time OE to An; OE to Bn
3.0 to 3.6 1.7 tsk(0) skew Tamb = -40 to +125 C tPHL/tPLH propagation delay nAn to nYn see Figs 5 and 7 1.2 2.7 tPZH/tPZL 3-state output enable time nOE to nYn see Figs 6 and 7 1.2 2.7 tPHZ/tPLZ 3-state output disable time nOE to nYn see Figs 6 and 7 1.2 2.7 tsk(0) Notes 1. Typical values are measured at VCC = 3.3 V. skew note 2
13 4.5 3.6(1) 20 5.9 4.3(1) 10 3.8 3.4(1) -
ns ns ns ns ns ns ns ns ns ns
3.0 to 3.6 1.5
3.0 to 3.6 1.5
3.0 to 3.6 1.7
2. Skew between any two outputs of the same package switching in the same direction. This parameter is guaranteed by design.
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Philips Semiconductors
Product specification
Octal transceiver with direction pin, 30 series termination resistors; 5 V tolerant input/output; 3-state
AC WAVEFORMS
handbook, halfpage VI
74LVC2245A
An, Bn input GND tPLH VOH Bn, An output VOL
VM
VM
tPHL
VM
VM
MNA176
INPUT VCC 1.2 V 2.7 V 3.0 to 3.6 V VM 0.5 x VCC 1.5 V 1.5 V VCC 2.7 V 2.7 V VI tr = tf 2.5 ns 2.5 ns 2.5 ns
VOL and VOH are typical output voltage drop that occur with the output load.
Fig.5 The inputs An, Bn to outputs Bn, An propagation delays.
handbook, full pagewidth
VI OE input GND t PLZ VCC Qn output LOW-to-OFF OFF-to-LOW VOL t PHZ Qn output HIGH-to-OFF OFF-to-HIGH VOH VY VM GND outputs enabled outputs disabled outputs enabled
MNA395
VM
t PZL
VM VX t PZH
INPUT VCC 1.2 V 2.7 V VM 0.5 x VCC 1.5 V VI VCC 2.7 V 2.7 V tr = tf 2.5 ns 2.5 ns 2.5 ns
VX = VOL + 0.3 V at VCC 2.7 V; VX = VOL + 0.1 V at VCC < 2.7 V; VY = VOH - 0.3 V at VCC 2.7 V; VY = VOH - 0.1 V at VCC < 2.7 V. VOL and VOH are typical output voltage drop that occur with the output load.
3.0 to 3.6 V 1.5 V
Fig.6 3-state enable and disable times.
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Philips Semiconductors
Product specification
Octal transceiver with direction pin, 30 series termination resistors; 5 V tolerant input/output; 3-state
74LVC2245A
handbook, full pagewidth
VEXT VCC PULSE GENERATOR VI D.U.T. RT CL RL VO RL
MNA616
VCC 1.2 V 2.7 V 3.0 to 3.6 V Note
VI VCC 2.7 V 2.7 V
CL 50 pF 50 pF 50 pF
RL 500 (1) 500 500
VEXT tPLH/tPHL tPZH/tPHZ open open open GND GND GND tPZL/tPLZ 2 x VCC 2 x VCC 2 x VCC
1. The circuit performs better when RL = 1000
Definitions for test circuit: RL = Load resistor. CL = Load capacitance including jig and probe capacitance. RT = Termination resistance should be equal to the output impedance Zo of the pulse generator.
Fig.7 Load circuitry for switching times.
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Philips Semiconductors
Product specification
Octal transceiver with direction pin, 30 series termination resistors; 5 V tolerant input/output; 3-state
PACKAGE OUTLINES SO20: plastic small outline package; 20 leads; body width 7.5 mm
74LVC2245A
SOT163-1
D
E
A X
c y HE vMA
Z 20 11
Q A2 A1 pin 1 index Lp L 1 e bp 10 wM detail X (A 3) A
0
5 scale
10 mm
DIMENSIONS (inch dimensions are derived from the original mm dimensions) UNIT mm inches A max. 2.65 0.1 A1 0.3 0.1 A2 2.45 2.25 A3 0.25 0.01 bp 0.49 0.36 c 0.32 0.23 D (1) 13.0 12.6 0.51 0.49 E (1) 7.6 7.4 0.30 0.29 e 1.27 0.05 HE 10.65 10.00 L 1.4 Lp 1.1 0.4 Q 1.1 1.0 0.043 0.039 v 0.25 0.01 w 0.25 0.01 y 0.1 0.004 Z
(1)
0.9 0.4 0.035 0.016
0.012 0.096 0.004 0.089
0.019 0.013 0.014 0.009
0.419 0.043 0.055 0.394 0.016
8o 0o
Note 1. Plastic or metal protrusions of 0.15 mm (0.006 inch) maximum per side are not included. OUTLINE VERSION SOT163-1 REFERENCES IEC 075E04 JEDEC MS-013 JEITA EUROPEAN PROJECTION
ISSUE DATE 99-12-27 03-02-19
2003 Nov 17
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Philips Semiconductors
Product specification
Octal transceiver with direction pin, 30 series termination resistors; 5 V tolerant input/output; 3-state
74LVC2245A
SSOP20: plastic shrink small outline package; 20 leads; body width 5.3 mm
SOT339-1
D
E
A X
c y HE vMA
Z 20 11
Q A2 pin 1 index A1 (A 3) Lp L 1 e bp 10 wM detail X A
0
2.5 scale
5 mm
DIMENSIONS (mm are the original dimensions) UNIT mm Note 1. Plastic or metal protrusions of 0.2 mm maximum per side are not included. OUTLINE VERSION SOT339-1 REFERENCES IEC JEDEC MO-150 JEITA EUROPEAN PROJECTION A max. 2 A1 0.21 0.05 A2 1.80 1.65 A3 0.25 bp 0.38 0.25 c 0.20 0.09 D (1) 7.4 7.0 E (1) 5.4 5.2 e 0.65 HE 7.9 7.6 L 1.25 Lp 1.03 0.63 Q 0.9 0.7 v 0.2 w 0.13 y 0.1 Z (1) 0.9 0.5 8 0o
o
ISSUE DATE 99-12-27 03-02-19
2003 Nov 17
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Philips Semiconductors
Product specification
Octal transceiver with direction pin, 30 series termination resistors; 5 V tolerant input/output; 3-state
74LVC2245A
TSSOP20: plastic thin shrink small outline package; 20 leads; body width 4.4 mm
SOT360-1
D
E
A
X
c y HE vMA
Z
20
11
Q A2 pin 1 index A1 (A 3) A
Lp L
1
e bp
10
wM detail X
0
2.5 scale
5 mm
DIMENSIONS (mm are the original dimensions) UNIT mm A max. 1.1 A1 0.15 0.05 A2 0.95 0.80 A3 0.25 bp 0.30 0.19 c 0.2 0.1 D (1) 6.6 6.4 E (2) 4.5 4.3 e 0.65 HE 6.6 6.2 L 1 Lp 0.75 0.50 Q 0.4 0.3 v 0.2 w 0.13 y 0.1 Z (1) 0.5 0.2 8 0o
o
Notes 1. Plastic or metal protrusions of 0.15 mm maximum per side are not included. 2. Plastic interlead protrusions of 0.25 mm maximum per side are not included. OUTLINE VERSION SOT360-1 REFERENCES IEC JEDEC MO-153 JEITA EUROPEAN PROJECTION ISSUE DATE 99-12-27 03-02-19
2003 Nov 17
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Philips Semiconductors
Product specification
Octal transceiver with direction pin, 30 series termination resistors; 5 V tolerant input/output; 3-state
74LVC2245A
DHVQFN20: plastic dual in-line compatible thermal enhanced very thin quad flat package; no leads; SOT764-1 20 terminals; body 2.5 x 4.5 x 0.85 mm
D
B
A
A A1 E c
terminal 1 index area
detail X
terminal 1 index area e 2 L
e1 b 9 vMCAB wM C y1 C
C y
1 Eh 20
10 e 11
19 Dh 0
12 X 2.5 scale 5 mm
DIMENSIONS (mm are the original dimensions) UNIT mm A(1) max. 1 A1 0.05 0.00 b 0.30 0.18 c 0.2 D (1) 4.6 4.4 Dh 3.15 2.85 E (1) 2.6 2.4 Eh 1.15 0.85 e 0.5 e1 3.5 L 0.5 0.3 v 0.1 w 0.05 y 0.05 y1 0.1
Note 1. Plastic or metal protrusions of 0.075 mm maximum per side are not included. OUTLINE VERSION SOT764-1 REFERENCES IEC --JEDEC MO-241 JEITA --EUROPEAN PROJECTION ISSUE DATE 02-10-17 03-01-27
2003 Nov 17
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Philips Semiconductors
Product specification
Octal transceiver with direction pin, 30 series termination resistors; 5 V tolerant input/output; 3-state
DATA SHEET STATUS LEVEL I DATA SHEET STATUS(1) Objective data PRODUCT STATUS(2)(3) Development DEFINITION
74LVC2245A
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. 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. 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).
II
Preliminary data Qualification
III
Product data
Production
Notes 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 applications 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 licence 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.
2003 Nov 17
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Philips Semiconductors - a worldwide company
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: sales.addresses@www.semiconductors.philips.com.
(c) Koninklijke Philips Electronics N.V. 2003
SCA75
All rights are reserved. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice. No liability will be accepted by the publisher for any consequence of its use. Publication thereof does not convey nor imply any license under patent- or other industrial or intellectual property rights.
Printed in The Netherlands
613508/04/pp17
Date of release: 2003
Nov 17
Document order number:
9397 750 10561

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