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LB11885 SanyoElectric

The LB11885 is a monolithic digital IC designed as a three-in-one motor driver for portable VCRs, featuring drive units for capstan, drum, and loading motors. It includes various functionalities such as PWM drive, current limiting, and over-heat protection, with specific electrical characteristics and maximum ratings provided. The document also includes detailed specifications, operating ranges, and a block diagram for the IC's architecture.

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0% found this document useful (0 votes)
25 views18 pages

LB11885 SanyoElectric

The LB11885 is a monolithic digital IC designed as a three-in-one motor driver for portable VCRs, featuring drive units for capstan, drum, and loading motors. It includes various functionalities such as PWM drive, current limiting, and over-heat protection, with specific electrical characteristics and maximum ratings provided. The document also includes detailed specifications, operating ranges, and a block diagram for the IC's architecture.

Uploaded by

jsmith250x
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
You are on page 1/ 18

www.DataSheet4U.

com
Ordering number : EN7884A

LB11885 Monolithic Digital IC

Three-in-One Motor Driver for Portable VCR

Overview
LB11885 is a three-in-one motor driver for portable VCR.

Features
• Capstan motor drive unit
3-phase, 120 degrees full conducting, direct PWM drive
Built in PWM oscillator
Current limiter (It is fixed internally and setup externally.)
Forward/reverse rotation
2 levels FG amplifier (Built-in gain resistor)
Control amplifier output pin
• Drum motor drive unit
3-phase, 120 degrees full conducting soft switching sensorless drive
FG sensorless function
2 levels PG amplifier
FG and PG mixing output (Separated output is also possible.)
• Loading motor drive unit
H-bridge forward/reverse rotation
Motor voltage switch
Short brake
Input control for 3 values
• Common unit
Over-heat protection function (Thermal Shut Down)

Any and all SANYO Semiconductor products described or contained herein do not have specifications
that can handle applications that require extremely high levels of reliability, such as life-support systems,
aircraft's control systems, or other applications whose failure can be reasonably expected to result in
serious physical and/or material damage. Consult with your SANYO Semiconductor representative
nearest you before using any SANYO Semiconductor products described or contained herein in such
applications.
SANYO Semiconductor assumes no responsibility for equipment failures that result from using products
at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition
ranges, or other parameters) listed in products specifications of any and all SANYO Semiconductor
products described or contained herein.

11707 TI IM B8-6143, B8-6059 No.7884-1/18


www.DataSheet4U.com
LB11885
Maximum Ratings at Ta = 25°C
Parameter Symbol Conditions Ratings Unit
IC power source voltage VREG max 6.5 V
Motor power source 1 C_VCC max 30.0 V
Motor power source 2 D_VCC max 30.0 V
Motor power source 3 L_VCC max 30.0 V
Applied input voltage VI1 max -0.3 to VCC+0.3 V
Motor output current IC_VCC max 1.2 A
Motor output current ID_VCC max 0.75 A
Motor output current IL_VCC max 0.8 A
Allowable internal power dissipation Pd max1 IC alone 0.85 W
Pd max2 W
Pin voltage range 1 VPIN max1 CRSS, CRSP, CUOUT, CVOUT, CWOUT CMGND-VF to CVCC+VF V
Pin voltage range 2 VPIN max2 DRS, DCOM, DUOUT, DVOUT, DWOUT DMGND-VF to DVCC+VF V
Pin voltage range 3 VPIN max3 LOUT1, LOUT2 LGND-VF to LVCC+VF V
Operating temperature Topr -20 to +75 °C
Storage temperature Tstg -55 to +150 °C

Allowable Operating Range at Ta = 25°C


Parameter Symbol Conditions Ratings Unit
Power source voltage 1 VREG 4 to 6 V
Power source voltage 2 C_VCC 8 to 28 V
Power source voltage 3 D_VCC 8 to 28 V
Power source voltage 4 L_VCC 8 to 28 V
Electric potential difference between ∆GND (MGND)-(SGND)
-0.3 to +0.4 V
MGND and SGND

Electrical Characteristics
Ratings
Parameter Symbol Conditions Unit
min typ max
Common Unit at Ta = 25°C, VREG = 5V, C_VCC = D_VCC = L_VCC = 12V
Power source current 1 IVREG 17 25 mA
Power source current 2 IC_VCC 0.3 2 mA
Power source current 3 ID_VCC 0.6 1 mA
Power source current 4 IL_VCC 2 3 mA
Power source current 5 IVCCQ VREG = 0V, IC_VCC+ID_VCC+IL_VCC 100 µA
Thermal shutdown temperature TSD *Design Target Value 140 160 180 °C
Thermal shutdown hysteresis ∆TSD *Design Target Value 15 °C
Capstan Motor Unit at Ta = 25°C, VREG = 5V, C_VCC = 12V
Output saturation voltage 1 VOSAT IO = 1.0A, Source+Sink 2.6 4.0 V
Hall signal input level VHALL 60 mVp-p
Hall in-phase input voltage VCM VCC-
1.0 V
1.7
C_ILM pin input voltage range VCLIM 0 VREG V
C_ILM pin input current ICLIM C_LIM = 3V 2.0 µA
C_LIM control start voltage VCLIMST C_RF = 0.5Ω 2.4 2.5 2.6 V
C_LIM gain GCLIM C_CNT = 5V, C_RF = 0.5Ω 0.49 0.53 0.57 V/V
C_LIM pin short brake release voltage BROFF1 1.1 1.4 V
C_CNT input voltage range VCCNT 0 VREG V
* Note: Thermal design must be set for a junction temperature of 140°C.
* It is a design target value and measurement is not carried out. Continued on next page.

No.7884-2/18
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LB11885
Continued from preceding page.
Ratings
Parameter Symbol Conditions Unit
min typ max
C_CNT input current ICCTL C_CNT = 3V 2.0 µA
C_CNT control start voltage VCCNTST C_RF = 0.5Ω 2.4 2.5 2.6 V
C_CNT gain GCCNT C_RF = 0.5Ω 0.49 0.53 0.57 V/V
C_CNT pin short brake release voltage BROFF2 1.1 1.4 V
F/R forward voltage VFW 1.5 VREG V
F/R reverse voltage VRW 0 1 V
F/R input current IFR C_FR = 3V 100 200 µA
FG amplifier reference voltage VFGR 2.40 2.50 2.60 V
Linear amplifier gain DC GDC 47 50 53 fold
Hysteresis amplifier output voltage VHO IHO = 4mA 0.2 0.4 V
Hysteresis of hysteresis amplifier VHS Both hysteresis 60 75 90 mV
Hysteresis amplifier output duty ratio FGDT 360Hz Fgin = 40mVp-p 49 50 51 %
PWM carrier frequency FOSC C_PWM = 680pF 18.5 21.7 25.0 kHz
Internal current limiter setup voltage CLIM RF = 100Ω 0.60 0.675 0.75 V
Drum Motor Unit at Ta = 25°C, VREG = 5V, DVCC = 12V

Output saturation voltage 2 DVSAT2 0.6A, Source+Sink 1.8 2.6 V


D_CNT input voltage range VD_CNT 0 VREG V
D_CNT input current IC_CNT D_CNT = 3V 0.5 µA
D_CNT control start voltage D_CNTST 2.40 2.50 2.60 V
D_CNT gain GD_CNT 0.40 0.50 0.60 V/V
PCOUT output current 1 IPCOU Source side 20 45 µA
PCOUT output current 2 IPCOD Sink side 20 45 µA
VCOIN input current IVCOIN VCOIN = 3V, sink current 1 µA
Minimum VCO frequency FVCO min CX = 0.022µF, VCOINN = Open 330 410 500 Hz
Maximum VCO frequency FVCO max CX = 0.022µF, VCOIN = 5V 18.3 22.8 27.4 kHz
C1/C2 source current ratio RSOURCE 1-(IC1SOURCE/IC2SOURCE) -12 0 12 %
C1/C2 sink current ratio RSINK 1-(IC1SINK/IC2SINK) -12 0 12 %
C1 source/sink current ratio RC1 IC1SOURCE/IC1SINK 40 50 60 %
C2 source/sink current ratio RC2 IC2SOURCE/IC2SINK 40 50 60 %
FGO output high level voltage VFGH 4.7 V
FGO output low level voltage VFGL 0.4 V
PG amplifier reference voltage VPGREF 2.8 3.0 3.2 V
PG amplifier input offset OPG -5 +5 mV
PG amplifier input bias IPG PG- = 2.5V, source current 0.25 µA
Linear amplifier gain GAMP Freq = 1kHz 50 dB
Hysteresis amplifier threshold level 1 VHYS1 70 100 130 mV
Hysteresis amplifier threshold level 2 VHYS2 140 200 260 mV
PG output high level voltage VPH 4.7 V
PG output low level voltage VPL 0.2 V
FG/PG mix MID voltage Vmid 2.4 2.5 2.6 V
Internal current limiter setup voltage DLIM RF = 100Ω 0.30 0.33 0.36 V
Loading Unit at Ta = 25°C, VREG = 5V, LVCC = 12V
Input voltage 1 (HIGH) VINH 4 5
2 (Middle) VINM 2 3
3 (LOW) VINL 0 1
Continued on next page.

No.7884-3/18
www.DataSheet4U.com
LB11885
Continued from preceding page.
Ratings
Parameter Symbol Conditions Unit
min typ max
Input current ILIN0 LIN = 0V, source side 130 200 µA
ILIN5 LIN = 5V, sink side 130 200 µA
Saturation voltage VSAT U-1 L_VREF = LVCC Between output and LVCC
1.9 2.4 V
IO = 0.6A, CW/CCW mode
VSAT L-1 L_VREF = LVCC Between output and LVCC
1.2 1.7 V
IO = 0.6A, CW/CCW mode
VSATIL L_VREF = LVCC SINK+SOURCE
2.8 3.5 V
IO = 0.4A, CW/CCW mode
Residual voltage of upper side VSAT U-1 L_VREF = 8V Between output and L_MGND
7.2 8.0 8.8 V
IO = 0.6A, CW/CCW mode
Output transistor leak current Upper ILU VCC = 0V 50 µA
Lower ILL VCC = 0V 50 µA
L_VREF current IVREF L_VREF = LVCC, source side LIN = 0.5V 2 5 µA

Package Dimensions
unit : mm (typ)
3278

17.8

(6.2)
48 25
(4.9)

10.5
7.9

0.65

1 24 0.2
0.65 1.3 0.2

(0.45)
2.4 max
(2.2)

1.5
0.1

SANYO : HSSOP48(375mil)

Pd max - Ta
1.0
Allowable power dissipation, Pd max - W

Independent IC
0.85
0.8

0.6
0.51

0.4

0.2

0
-20 0 20 40 60 80 100
Ambient temperature, Ta - °C ILB01806

No.7884-4/18
www.DataSheet4U.com
LB11885
Block Diagram
FRC
C_VCC
C_HU+

C_HU-
C_HV+
MATRIX
&
C_HV- LOGIC C_UOUT
C_HW+ C_VOUT
C_WOUT
C_HW- C_Rfp
VCC 250kΩ
TSD
C_FGIN 5kΩ
-
-
2.5kΩ + Q
+ R VC C_Rfs
2.5kΩ
S C_CNT
C_FGOUT
C_LIM
C_FG
680pF
OSC C_MGND
C_PWM
C_FC
SGND D_VCC
D_FGOUT

Rotor position D_COM


VREG detector circuit

Mask circuit
Output drive circuit

Start control Timing control Soft switching


circuit circuit driver circuit
2200pF
D_C1
D_UOUT
D_C2
D_VOUT
2200pF

PLL VCO Divider D_WOUT


560kΩ D_PCOUT
0.022µF
D_VCOIN TSD
0.47µF D_CX
0.022µF 1kΩ D_Rf
0.5Ω
Upper saturation prevention control
D_CNT 200Ω
D_MGND
0.1µF
Output drive circuit

L_VCC
D_FC
Logic composite
circuit

L_MGND
200Ω 200Ω

D_PG+ D_PG- D_PGOUT1 D_PGOUT2 L_IN L_VREF L_OUT1 L_OUT2

No.7884-5/18
www.DataSheet4U.com
LB11885
Sample Application Circuit

1 C_HU+ C_HV- 48
103F 103F
2 C_HU- C_HV+ 47

3 C_FR C_HW- 46
103F
4 C_VCC C_HW+ 45
100µF 51pF
5 C_Rfsense C_FGS 44
5kΩ
6 C_Rfpower VREG 43
0.5Ω 104F
7 C_MGND C_FGOUT 42

8 C_WOUT C_FGIN 41

9 C_VOUT C_LIM 40

10 C_UOUT C_FC 39
103F
11 L_OUT1 C_PWM 38
681F
12 L_MGND SGND 37

104F

13 L_VCC L-VREF 36

L_OUT2
14 C_CNT 35

15 D_VOUT D_FGOUT 34
103F×3
16 D_UOUT D_PGOUT2 33

17 D_WOUT D_CNT 32

18 D_Rf L_IN 31
0.5Ω

19 D_COM D_C1 30
222F
20 D_VCC D_C2 29
104F 222F
21 D_MGND D_FC 28
104F
22 D_PGOUT1 D_CX 27
100kΩ 223F
23 D_PG+ D_VCOIN 26
103F 560kΩ
24 D_PG- D_PCOUT 25
10kΩ 104F

No.7884-6/18
www.DataSheet4U.com
LB11885
Pin Assignment

C_HU+ 1 48 C_HV-

C_HU- 2 47 C_HV+

C_FR 3 46 C_HW-

C_VCC 4 45 C_HW+

C_Rfsense 5 44 C_FGS

C_Rfpower 6 43 VREG

C_MGND 7 42 C_FGOUT

C_WOUT 8 41 C_FGIN

C_VOUT 9 40 C_LIM

C_UOUT 10 39 C_FC

L_OUT1 11 38 C_PWM

L_MGND 12 37 SGND

LB11885

L_VCC 13 36 L_VREF

L_OUT2 14 35 C_CNT

D_VOUT 15 34 D_FGOUT

D_UOUT 16 33 D_PGOUT2

D_WOUT 17 32 D_CNT

D_Rf 18 31 L_IN

D_COM 19 30 D_C1

D_VCC 20 29 D_C2

D_MGND 21 28 D_FC

D_RGOUT1 22 27 D_CX

D_PG+ 23 26 D_VCOIN

D_PG- 24 25 D_PCOUT Top view

No.7884-7/18
www.DataSheet4U.com
LB11885
Pin Description
Pin
Symbol Pin voltage Pin Description Equivalent Circuit
No
4 C-VCC 8V to 28V Power pin of capstan motor driver

20 D-VCC 8V to 28V Power pin of drum motor driver

13 L-VCC 8V to 28V Power pin of loading motor driver

43 VREG 4V to 6V Power pin to provide all voltages


other than the output transistor and
pre-drive
7 C-MGND Capstan motor GND
37 SGND GND for all other than output
1 C-HU+ U-phase Hall element input pin
VCC
HU+>HU- state for logic H
2 C-HU- 1.5V to
VCC-1.5V
47 C-HV+ V-phase Hall element input pin. 1 2
HV+>HV- state for logic H
47 48
48 C-HV-
45 46
45 C-HW+ W-phase Hall element input pin.
HW+>HW- state for logic H
46 C-HW-

41 C-FGIN 1V to Capstan FGAMP reverse input pin


VCC-1.5V VCC

2kΩ
5kΩ 300Ω
41
42 C-FGOUT Capstan FGMP linear output pin
Return resistor is incorporated with
42
the amplification degree of about 250kΩ
50-fold.

44 C-FGS FG Schmidt amp output pin of VCC


capstan block
20kΩ 5kΩ
44

3 C-FR 0V to VCC Capstan forward/reverse control


pin VCC

300Ω
4

1.2V
30kΩ

Continued on next page.

No.7884-8/18
www.DataSheet4U.com
LB11885
Continued from preceding page.
Pin
Symbol Pin voltage Pin Description Equivalent Circuit
No
39 C-FC Capstan control loop frequency VCC
characteristics compensation pin

5 C-RFS Capstan current detection filter pin


Connect the current detected at C-
300Ω 300Ω
RFP to this pin after passing
39 5
through the CR filter.

38 C-PWM Capacitor connection pin for PWM


oscillation at capstan

300Ω
38
3kΩ

40 C-LIM 0V to VCC Capstan current limit setting pin


VCC

40 35
35 C-CNT 0V to VCC Capstan speed control voltage
300Ω 300Ω
application pin

8 C-WOUT Capstan W-phase output pin

CVCO

9 C-VOUT Capstan V-phase output pin

2kΩ
8

9
10 C-UOUT Capstan U-phase output pin
10

6 C-RFP PWRTR GND and current return 2kΩ


resistor connection pin 6

Continued on next page.

No.7884-9/18
www.DataSheet4U.com
LB11885
Continued from preceding page.
Pin
Symbol Pin voltage Pin Description Equivalent Circuit
No
28 D-FC Drum frequency characteristics VCC
compensation pin.
Insertion of a capacitor to GND
stops oscillation of the closed loop
of current control system

28

32 D-CNT 0V to VCC Drum speed control pin.


VCC
Control is the constant current
control to which current return is
applied from DRS.

32
300Ω

21 D-MGND Drum current control sensing GND


pin. Connect this pin to GND of VCC
the current detection resistor.

21

18

23 D-PG+ Drum PG amplifier non-inverted


VCC
input pin
Biased internally to (3/5)×VCC

10kΩ

300Ω 300Ω
24 D-PG- Drum PG amplifier inverted input
pin
15kΩ
24 23

Continued on next page.

No.7884-10/18
www.DataSheet4U.com
LB11885
Continued from preceding page.
Pin
Symbol Pin voltage Pin Description Equivalent Circuit
No
22 D-PGOUT1 Drum PG amplifier linear output
VCC
pin

5kΩ
300Ω

500Ω
22

33 D-PGOUT2 Drum PG Schmidt amplifier output


VCC
pin

33
5kΩ

34 D-FGOUT Drum motor reverse counter-


VCC
electromotive voltage detection
output pin (three-phase 5kΩ
synthesizing)
34

26 D-VCOIN VCO circuit voltage input pin of


VCC
drum block.
The PCOUT pin voltage is input
1kΩ
via CR filter. 26

4.7kΩ

25 D-PCOUT VCO circuit PLL output pin of


drum block. VCC

25

Continued on next page.

No.7884-11/18
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LB11885
Continued from preceding page.
Pin
Symbol Pin voltage Pin Description Equivalent Circuit
No
16 D-UOUT Drum motor driver output pin DLVCO
15 D-VOUT
17 D-WOUT
18 D-RF Minimum potential of drum motor
driver output transistor. Constant-
current control is made through 17
detection of this voltage. The 16
current limiter also functions by 18 15
detecting this potential.
19 D-COM Motor coil neutral point input pin. The
coil voltage waveform is detected DVCO
with reference to this voltage. 17 16 15
10kΩ
200Ω
19
2kΩ 200Ω
200Ω

30 D-C1 Triangular wave generating


capacitor connection pin of drum VCC
block. This triangular wave 29
performs soft- switching of the coil
30
output waveform.

29 D-C2 1kΩ

1/2VCC-VF

27 D-CX In the VCO circuit, the operation


frequency range and minimum VCC
operation frequency are
determined by means of the
capacitor value connected to this 300Ω
pin and GND.

27

Continued on next page.

No.7884-12/18
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LB11885
Continued from preceding page.
Pin
Symbol Pin voltage Pin Description Equivalent Circuit
No
36 L-VREF 0 to LVCO Loading output voltage setting pin
LVCO

11 14
30kΩ
30kΩ
50kΩ
36

31 L-IN 0V to VCC Loading logic input pin

20kΩ

10kΩ
31
20kΩ

11 L-OUT1 Loading motor driver output pin

13

11 14
14 L-OUT2

12 L-MGND Loading output transistor GND pin


12 36

No.7884-13/18
www.DataSheet4U.com
LB11885
Timing Chart and Truth Table
1. Capstan Motor Driver Drive waveform (C_FR = L)

(HU+) - (HU-)

(HV+) - (HV-)

(HW+) - (HW-)

CUOUT

CVOUT

CWOUT

No.7884-14/18
www.DataSheet4U.com
LB11885
2. Capstan Motor Driver Drive waveform (FRC = H)

(HU+) - (HU-)

(HV+) - (HV-)

(HW+) - (HW-)

CUOUT

CVOUT

CWOUT

No.7884-15/18
www.DataSheet4U.com
LB11885
3. Capstan Motor Driver Truth Table & Control Functions
Hall input
Source→Sink FRC
U V W
V→W H
1 H H L
W→V L
U→W H
2 H L L
W→U L
U→V H
3 H L H
V→U L
W→V H
4 L L H
V→W L
W→U H
5 L H H
U→W L
V→U H
6 L H L
U→V L
Note) H of FRC means the voltage of 1.5V or more while L means the voltage of 1.0V or less. (At VCC = 5V)
Note) For the Hall input, the input H means the condition in which (+) relative to each phase input (-) is higher by 0.1V.
The input L means the condition in which (+) relative to (-) is lower by 0.1V or more.

Control function & control limiting function

Control characteristics CILM = 5V Current limiting characteristics CCTL = 5V

VCRF VCRF

Gradient = 0.53V/Vtyp

Gm = 0.53V/Vtyp
2.5 Vtyp

CCTL CILM

0 1 2 3 4 5 0 1 2 3 4

2.5 Vtyp

VCRF Peak value

0V

PWM cycle

Caution: For the VCRF voltage of control characteristics, the peak value is to be measured.
Cautions for use)
• When the direct reversion brake is to be used, keep the voltage at the C_LIM terminal 3.1kV or less so that IOMAX is
not exceeded.
• The capacitor to be used between power supply and GND should be an electrolytic capacitor of 47µF or more.

No.7884-16/18
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LB11885
4. Drum Motor Driver Drive current waveform

IDUOUT
current waveform

Counter electromotive Counter electromotive Counter electromotive


detection detection detection

IDVOUT
current waveform

Counter electromotive Counter electromotive Counter electromotive


detection detection detection

IDWOUT
current waveform

Counter electromotive Counter electromotive Counter electromotive Counter electromotive


detection detection detection detection

BFGO

5. Loading Motor Truth table

Input Output
Mode
LIN LOUT1 LOUT2
L L H Reverse
M (or OPEN) L L Brake
H H L Forward

No.7884-17/18
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LB11885

Specifications of any and all SANYO Semiconductor products described or contained herein stipulate the
performance, characteristics, and functions of the described products in the independent state, and are
not guarantees of the performance, characteristics, and functions of the described products as mounted
in the customer's products or equipment. To verify symptoms and states that cannot be evaluated in an
independent device, the customer should always evaluate and test devices mounted in the customer's
products or equipment.
SANYO Semiconductor Co., Ltd. strives to supply high-quality high-reliability products. However, any
and all semiconductor products fail with some probability. It is possible that these probabilistic failures
could give rise to accidents or events that could endanger human lives, that could give rise to smoke or
fire, or that could cause damage to other property. When designing equipment, adopt safety measures
so that these kinds of accidents or events cannot occur. Such measures include but are not limited to
protective circuits and error prevention circuits for safe design, redundant design, and structural design.
In the event that any or all SANYO Semiconductor products (including technical data,services) described
or contained herein are controlled under any of applicable local export control laws and regulations, such
products must not be exported without obtaining the export license from the authorities concerned in
accordance with the above law.
No part of this publication may be reproduced or transmitted in any form or by any means, electronic or
mechanical, including photocopying and recording, or any information storage or retrieval system, or
otherwise, without the prior written permission of SANYO Semiconductor Co., Ltd.
Any and all information described or contained herein are subject to change without notice due to
product/technology improvement, etc. When designing equipment, refer to the "Delivery Specification"
for the SANYO Semiconductor product that you intend to use.
Information (including circuit diagrams and circuit parameters) herein is for example only; it is not
guaranteed for volume production. SANYO Semiconductor believes information herein is accurate and
reliable, but no guarantees are made or implied regarding its use or any infringements of intellectual
property rights or other rights of third parties.

This catalog provides information as of January, 2007. Specifications and information herein are subject
to change without notice.

PS No.7884-18/18

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