CAT810RSDI-GT10 [CATALYST]
3-Pin Microprocessor Power Supply Supervisors; 3引脚微处理器电源监控
| 型号： | CAT810RSDI-GT10 |
| 厂家： | 
CATALYST SEMICONDUCTOR |
| 描述： | 3-Pin Microprocessor Power Supply Supervisors |
| 文件： | 总14页 (文件大小：796K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
CAT803, CAT809, CAT810
3-Pin Microprocessor Power Supply
Supervisors
FꢀATꢁꢂꢀS
DESCRIPTIOꢀ
■ Precision monitoring of
+5.0V (-5%, -10%, -20%),
+3.3V (-5%, -10%),
The CAT803, CAT809, and CAT8ꢀ0 are supervisory
circuitsthatmonitorpowersuppliesindigitalsystems.The
CAT803, CAT809, and CAT8ꢀ0 are direct replacements
for the MAX803, MAX809 and MAX8ꢀ0 in applications
operating over the industrial temperature range.
+3.0V (-10%) and
+2.5V (-5%) power supplies
■ Offered in three output configurations:
- CAT803: Open-Drain Active LOW reset
- CAT809: Push-Pull Active LOW reset
- CAT810: Push-Pull Active HIGH reset
Thesedevicesgeneratearesetsignal,whichisasserted
while the power supply voltage is below a preset
threshold level and for at least ꢀ40 ms after the power
supply level has risen above that level. The underlying
floating gate technology, AE2(TM) used by Catalyst
Semiconductor, makes it possible to offer any custom
resetthresholdvalue.Sevenindustrystandardthreshold
levels are offered to support +5.0V, +3.3V, +3.0V and
+2.5V systems.
■ Direct replacements for the MAX803, MAX809
and MAX810 in applications operating over the
industrial temperature range
■ ꢂeset valid down to VCC = 1.0V
■ 6µA power supply current
The CAT803 has an open-drain RESET output (active
LOW). The CAT803 requires a pull-up resistor on the
reset output.
■ Power supply transient immunity
■ Industrial temperature range: -40ºC to +85ºC
■ Available in RoHS-compliant SOT-23 and SC70
The CAT809 features a push-pull RESET output (active
LOW) and the CAT810 features a push-pull RESET
output (active HIGH).
packages
APPLICATIOꢀS
■ Computers
Fast transients on the power supply are ignored and
the output is guaranteed to be in the correct state at Vcc
levels as low as ꢀ.0V.
■ Servers
■ Laptops
TheCAT803,CAT809,andCAT8ꢀ0areavailableinboth
the compact 3-pin SOT-23 and SC70 packages.
■ Cable modems
■ Wireless communications
■ ꢀmbedded control systems
■ White goods
ꢁor Ordering Information details, see page 11.
■ Power meters
■ Intelligent instruments
■ PDAs and handheld equipment
THRESHOLD SꢂꢁꢁIX SELECTOR
ꢀominal Threshold Threshold Suffix
Voltage
4.63V
4.38V
4.00V
3.08V
2.93V
2.63V
2.32V
Designation
PIꢀ COꢀꢁIGꢂRATIOꢀ
L
M
J
3-Lead SOT23
3-Lead SC70
T
S
R
Z
GND
1
2
(CAT803)
CAT809
(CAT810)
3
V
CC
RESET
(RESET)
© 2007 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
Doc. No. 3004, Rev. X
ꢀ
CAT803, CAT809, CAT810
PIꢀ DESCRIPTIOꢀS
Pin ꢀumber
ꢀame Description
GND Ground
CAT803 CAT809 CAT810
ꢀ
2
ꢀ
2
ꢀ
—
RESET Active LOW reset. RESET is asserted if VCC falls below the reset thresh-
old and remains low for at least ꢀ40ms after VCC rises above the reset
threshold.
—
3
—
3
2
3
RESET Active HIGH reset. RESET is asserted if VCC falls below the reset thresh-
old and remains high for at least ꢀ40ms after VCC rises above the reset
threshold.
VCC
Power supply voltage that is monitored.
Doc. No. 3004, Rev. X
© 2007 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
2
CAT803, CAT809, CAT810
AꢃSOLꢂTE MAXIMꢂM RATIꢀGS(1)
Any pin with respect to ground
Input Current, VCC
-0.3V to +6.0V
20mA
Output Current, RESET, RESET
Rate of Rise, VCC
20mA
ꢀ00V/µs
Continuous Power Dissipation
Derate 2.2mW/ºC above 70ºC (SC70) ꢀ75 mW
Derate 4mW/ºC above 70ºC (SOT23) 320 mW
Operating Temperature Range
Storage Temperature Range
Lead Soldering Temperature (ꢀ0 sec)
ꢀote:
-40ºC to +85ºC
-65ºC to +ꢀ05ºC
300ºC
(ꢀ) Stresses above those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only,
and functional operation of the device at these or any other conditions outside of those listed in the operational sections of this specification
is not implied. Exposure to any absolute maximum rating for extended periods may affect device performance and reliability.
ELECTRICAL CHARACTERISTICS
VCC = Full range, TA = -40ºC to +85ºC unless otherwise noted. Typical values at TA = +25ºC and VCC = 5V for the
L/M/J versions, VCC = 3.3V for the T/S versions, VCC = 3V for the R version and VCC = 2.5V for the Z version.
Parameter
Symbol Conditions
TA = 0ºC to +70ºC
Min
ꢀ.0
ꢀ.2
Typ
Max
5.5
ꢁnits
VCC Range
V
TA = -40ºC to +85ºC
5.5
Supply Current
ICC
VCC < 5.5V, J/L/M
VCC < 3.6V, R/S/T/Z
TA = +25ºC
8
6
20
µA
V
TA = -40ºC to +85ºC
ꢀ5
Reset
Threshold
Voltage
VTH
4.56
4.50
4.3ꢀ
4.25
3.93
3.89
3.04
3.00
2.89
2.85
2.59
2.55
2.28
2.25
4.63
4.70
4.75
4.45
4.50
4.06
4.ꢀ0
3.ꢀꢀ
3.ꢀ5
2.96
3.00
2.66
2.70
2.35
2.38
L Threshold
M Threshold
J Threshold
T Threshold
S Threshold
R Threshold
Z Threshold
TA = -40ºC to +85ºC
TA = +25ºC
4.38
4.00
3.08
2.93
2.63
2.32
TA = -40ºC to +85ºC
TA = +25ºC
TA = -40ºC to +85ºC
TA = +25ºC
TA = -40ºC to +85ºC
TA = +25ºC
TA = -40ºC to +85ºC
TA = +25ºC
TA = -40ºC to +85ºC
TA = +25ºC
TA = -40ºC to +85ºC
© 2007 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
Doc No. 3004, Rev. X
3
CAT803, CAT809, CAT810
(continued)
ELECTRICAL CHARACTERISTICS
VCC = Full range, TA = -40ºC to +85ºC unless otherwise noted. Typical values at TA = +25ºC and VCC = 5V for
L/M/J versions, VCC = 3.3V for T/S versions, VCC = 3V for R version and VCC = 2.5V for Z version.
Parameter
Symbol Conditions
Min
Typ(1) Max ꢁnits
Reset Threshold Tempco
VCC to Reset Delay (Note 2)
Reset Active Timeout Period
RESET Output Voltage Low
30
20
ppm/ºC
µs
TD
TR
VCC = VTH to (VTH - ꢀ00 mV)
TA = -40ºC to +85ºC
ꢀ40
240
460
ms
VCC = VTH min, ISINK = ꢀ.2mA
CAT803R/S/T/Z, CAT809R/S/T/Z
(Open-drain active LOW,
CAT803 and push-pull, ac-
tive LOW, CAT809)
VOL
VCC = VTH min, ISINK = 3.2mA
CAT803J/L/M, CAT809J/L/M
0.4
0.3
V
V
VCC > ꢀ.0V, ISINK = 50µA
RESET Output Voltage High
VCC = VTH max, ISOURCE = 500µA
CAT809R/S/T/Z
0.8 VCC
(Push-pull, active LOW,
CAT809)
VOH
VCC = VTH max, ISOURCE = 800µA
CAT809J/L/M
VCC - ꢀ.5
RESET Output Voltage Low
VCC > VTH max, ISINK = ꢀ.2mA
CAT8ꢀ0R/S/T/Z
0.3
0.4
(Push-pull, active HIGH,
CAT8ꢀ0)
VOL
V
V
VCC > VTH max, ISINK = 3.2mA
CAT8ꢀ0J/L/M
RESET Output Voltage High
0.8 VCC
ꢀ.8V < VCC VTH min,
ISOURCE = ꢀ50µA
VOH
(Push-pull active HIGH,
CAT8ꢀ0)
ꢀotes:
(ꢀ) Production testing done at TA = +25ºC; limits over temperature guaranteed by design only.
(2) RESET output for the CAT809; RESET output for the CAT810.
Doc. No. 3004, Rev. X
© 2007 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
4
CAT803, CAT809, CAT810
TyPICAL OPERATIꢀG CHARACTERISTICS
VCC = Full range, TA = -40ºC to +85ºC unless otherwise noted. Typical values at TA = +25ºC and VCC = 5V for
L/M/J versions, VCC=3.3V for T/S versions, VCC = 3V for R version and VCC = 2.5V for Z version.
POWER-UP RESET TIMEOUT
VS. TEMPERATURE
SUPPLY CURRENT VS. TEMPERATURE
(NO LOAD, CAT8xxR/S/T/Z)
260
240
220
200
180
160
12
10
8
V
=5.5V
V
V
=5V
CC
CC
=3.6V
6
CC
4
V
=2.5V
100
CC
2
0
-50
0
50
150
-50
0
50
100
150
TEMPERATURE (˚C)
TEMPERATURE (˚C)
POWER-DOWN RESET DELAY VS. TEMPERATURE
(CAT8xxR/S/T/Z)
NORMALIZED RESET THRESHOLD
VS. TEMPERATURE
1.0002
1
14
12
10
8
0.9998
0.9996
0.9994
0.9992
0.999
0.9988
6
4
2
0
-50
0
50
100
150
0
20
40
60
80
100 120
TEMPERATURE (˚C)
TEMPERATURE (˚C)
© 2007 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
Doc No. 3004, Rev. X
5
CAT803, CAT809, CAT810
DETAILED DESCRIPTIOꢀS
RESET TIMIꢀG
The reset signal is asserted LOW for the CAT803/
CAT809 and HIGH for the CAT8ꢀ0 when the power
supply voltage falls below the threshold trip voltage and
remains asserted for at least ꢀ40ms after the power
supply voltage has risen above the threshold.
5V
V
TH
V
CC
0V
T
D
T
R
(140msec
minimum)
5V
RESET
CAT803, CAT809
0V
5V
RESET
CAT810
0V
ꢁigure 1. Reset Timing Diagram
VCC TRAꢀSIEꢀT RESPOꢀSE
The CAT803/CAT809/CAT8ꢀ0 protect µPs against
brownout failure. Short duration transients of 4µsec
or less and ꢀ00mV amplitude typically do not cause a
false RESET.
As the amplitude of the transient goes further below
the threshold (increasing VTH - VCC), the maximum
pulse duration decreases. In this test, the VCC starts
from an initial voltage of 0.5V above the threshold and
drops below it by the amplitude of the overdrive voltage
(VTH - VCC).
Figure2showsthemaximumpulsedurationofnegative-
going VCC transients that do not cause a reset condition.
ꢁigure 2. Maximum Transient Duration Without Causing a Reset Pulse vs. Reset Comparator Overdrive
Doc. No. 3004, Rev. X
© 2007 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
6
CAT803, CAT809, CAT810
VALID RESET WITH VCC ꢂꢀDER 1.0V
To ensure that the CAT809 RESET pin is in a known
statewhenVCC isunder1.0V,a>10kΩpull-downresistor
between RESET pin and GND is recommended. For
the CAT810, a pull-up resistor from RESET pin to VCC
is needed.
Power
Supply
Power
Supply
V
V
CC
CC
10kΩ
CAT810
CAT809
RESET
RESET
GND
10kΩ
GND
Figure 3. ꢂꢀSꢀT Valid with VCC ꢁnder 1.0V
ꢁigure 4. RESET Valid with VCC ꢁnder 1.1V
ꢃI-DIRECTIOꢀAL RESET PIꢀ IꢀTERꢁACIꢀG
The CAT809/8ꢀ0 can interface with µP/µC bi-directional
reset pins by connecting a 4.7kΩ resistor in series with
theCAT809/8ꢀ0resetoutputandtheµP/µCbi-directional
reset pin.
BUF
Buffered
RESET
Power
Supply
VCC
VCC
CAT809
µP
(For example:
68HC11)
RESET
INPUT
RESET
GND
GND
Bi-directional
I/O Pin
ꢁigure 5. ꢃi-directional Reset Pin Interfacing
© 2007 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
Doc No. 3004, Rev. X
7
CAT803, CAT809, CAT810
CAT803 OPEꢀ-DRAIꢀ ꢂꢀSꢀT APPLICATIOꢀ
The CAT803 features an open-drain RESET output
and therefore needs a pull-up resistor on the output for
proper operation, as shown on Figure 6. An advantage
of the open-drain output includes the ability to “wire
AND” several outputs together to form an inexpensive
logiccircuit. Itisalsopossibletohavethepull-upresistor
connectedtoadifferentsupplywhichcanbehigherthan
the CAT803 VCC pin. The value of the pull-up resistor
is not critical in most applications, typical values being
between 5kΩ and 10kΩ.
Power
Supply
VCC
5kΩ
VCC
CAT803
µP
RESET
GND
RESET
INPUT
GND
ꢁigure 6. Tꢄpical CAT803 Open-Drain Circuit Configuration
Doc. No. 3004, Rev. X
© 2007 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
8
CAT803, CAT809, CAT810
PACkAGE IꢀꢁORMATIOꢀ
Plastic SOT-23 (3-Pin)
B
E
H
e
eꢀ
D
E
c
A
ө
Aꢀ
L
Lꢀ
Inches
Millimeters
Min
Max
Min
Max
Plastic SOT-23 (3-Pin)
A
Aꢀ
B
0.0350
0.0005
0.0ꢀ46
0.0033
0.ꢀꢀ02
0.0472
0.0350
0.070ꢀ
0.0827
0º
0.044ꢀ
0.0039
0.0ꢀ97
0.007ꢀ
0.ꢀꢀ97
0.055ꢀ
0.0406
0.0807
0.ꢀ039
8º
0.89
0.0ꢀ3
0.37
0.085
2.80
ꢀ.20
0.89
ꢀ.78
2.ꢀ0
0º
ꢀ.ꢀ2
0.ꢀ0
0.50
0.ꢀ8
3.04
ꢀ.40
ꢀ.03
2.05
2.64
8º
c
D
E
e
eꢀ
H
ө
For current Tape and ꢂeel information,
download the PDꢁ file from:
www.catsemi.com/documents/tapeandreel.pdf
L
0.0083
0.0ꢀ60
0.0ꢀ6ꢀ
0.0270
0.275
0.275
0.4ꢀ
0.685
Lꢀ
ꢀotes:
(1) This part is compliant with JEDEC specification TO-236
(2) Die is face up for mold and trim/form
(3) Dimensions are exclusive of mold flash and metal burr
© 2007 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
Doc No. 3004, Rev. X
9
CAT803, CAT809, CAT810
PACkAGE IꢀꢁORMATIOꢀ
SC70 (3-Lead)
b
E1
e
e
D
A2
A1
A
c
θ
L
L2
L1
Inches
Millimeters
Min
Max
Plastic SC70 (3-Pin)
Min
Max
A
Aꢀ
A2
b
0.03ꢀ5
0.0000
0.03ꢀ5
0.0059
0.0035
0.0709
0.0453
0.0709
0.0433
0.0039
0.0394
0.00ꢀꢀ8
0.007ꢀ
0.0866
0.053ꢀ
0.0945
0.80
0.00
0.80
0.ꢀ5
0.09
ꢀ.80
ꢀ.ꢀ5
ꢀ.80
ꢀ.ꢀ0
0.ꢀ0
ꢀ.00
0.30
0.ꢀ8
2.20
ꢀ.35
2.40
c
D
E
E1
e
0.0255 BSC
0.65BSC
For current Tape and ꢂeel information,
download the PDꢁ file from:
www.catsemi.com/documents/tapeandreel.pdf
L
0.0ꢀ02
0.0ꢀ08
0.0ꢀ8ꢀ
0.0226
0.26
0.46
Lꢀ
0.275
0.575
ꢀotes:
(1) This part is compliant with JEDEC specification MO-203.
(2) Die is face up for mold. Die is facing down for trim/form.
(3) Dimensions are exclusive of mold flash and metal burr.
Doc. No. 3004, Rev. X
© 2007 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
ꢀ0
CAT803, CAT809, CAT810
EXAMPLE Oꢁ ORDERIꢀG IꢀꢁORMATIOꢀ (2) (3) (4)
Prefix
Device #
809
Suffix
CAT
S
TBI
–
G
T10
Package Type(1)
Company ID
Device Type
803: Open-Drain / Active Low Output
809: Push-Pull / Active Low Output
810: Push-Pull / Active High Output
Trip Level
L: 4.63V
M: 4.38V
J: 4.00V
T: 3.08V
S: 2.93V
R: 2.63V
Z: 2.32V
T: Tape & Reel
3: 3000/Reel
10: 10000/Reel
TBI: SOT-23 Green
SDI: SC70 Green
Lead Finish
Blank: Matte-Tin
G: NiPdAu
ꢀotes:
(ꢀ) All packages are RoHS-compliant (Lead-free, Halogen-free).
(2) The standard lead finish is Matte-Tin. Contact factory for other lead finishes.
(3) The device used in the example above is a CAT809STBI-GTꢀ0 (Push-Pull / Active Low Output, trip level of 2.85V to 3.00V NiPdAu, Tape
and Reel).
(4) For additional package and temperature options, please contact your nearest Catalyst Semiconductor Sales office.
TOP MARkIꢀG
SOT-23 RoHS
ꢀiPdAu
SC70 RoHS
ꢀiPdAu
SOT-23
SOT-23 RoHS
SC70
SC70 RoHS
Device(1) PbSn Finish(2) Matte Finish(2)
Finish(2)(3)
PbSn Finish(2) Matte Finish(2)
Finish(2)(3)
CAT803x
CAT809x
CAT8ꢀ0x
N/A
RPYM
PBYM
PDYM
RNYM
NRYM
NSYM
N/A
RP__
PB__
PD__
RN__
NR__
NS__
PAYM
PCYM
PA__
PC__
ꢀotes:
(ꢀ) All theshold trip level options have the same marking.
(2) The “YM” in the SOT-23 package marking indicates the Year and Month of roduction and the “_” in the SC70 package marking indicates the
assembly location.
(3) All NiPdAu devices will be marked to indicate product type and package. Threshold and full part numbers will be provided on box and reel
labels as well as all Shipping documents.
© 2007 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
Doc No. 3004, Rev. X
ꢀꢀ
CAT803, CAT809, CAT810
ORDERIꢀG PART ꢀꢂMꢃER
CAT803LSDI
CAT803MSDI
CAT803JSDI
CAT803TSDI
CAT803SSDI
CAT803RSDI
CAT803ZSDI
CAT803LTBI
CAT803MTBI
CAT803JTBI
CAT803TTBI
CAT803STBI
CAT803RTBI
CAT803ZTBI
CAT803LSDI-G
CAT803MSDI-G
CAT803JSDI-G
CAT803TSDI-G
CAT803SSDI-G
CAT803RSDI-G
CAT803ZSDI-G
CAT803LTBI-G
CAT803MTBI-G
CAT803JTBI-G
CAT803TTBI-G
CAT803STBI-G
CAT803RTBI-G
CAT803ZTBI-G
CAT809LSDI
CAT809MSDI
CAT809JSDI
CAT809TSDI
CAT809SSDI
CAT809RSDI
CAT809ZSDI
CAT809LTBI
CAT809MTBI
CAT809JTBI
CAT809TTBI
CAT809STBI
CAT809RTBI
CAT809ZTBI
CAT809LSDI-G
CAT809MSDI-G
CAT809JSDI-G
CAT809TSDI-G
CAT809SSDI-G
CAT809RSDI-G
CAT809ZSDI-G
CAT809LTBI-G
CAT809MTBI-G
CAT809JTBI-G
CAT809TTBI-G
CAT809STBI-G
CAT809RTBI-G
CAT809ZTBI-G
CAT8ꢀ0LSDI
CAT8ꢀ0MSDI
CAT8ꢀ0JSDI
CAT8ꢀ0TSDI
CAT8ꢀ0SSDI
CAT8ꢀ0RSDI
CAT8ꢀ0ZSDI
CAT8ꢀ0LTBI
CAT8ꢀ0MTBI
CAT8ꢀ0JTBI
CAT8ꢀ0TTBI
CAT8ꢀ0STBI
CAT8ꢀ0RTBI
CAT8ꢀ0ZTBI
CAT8ꢀ0LSDI-G
CAT8ꢀ0MSDI-G
CAT8ꢀ0JSDI-G
CAT8ꢀ0TSDI-G
CAT8ꢀ0SSDI-G
CAT8ꢀ0RSDI-G
CAT8ꢀ0ZSDI-G
CAT8ꢀ0LTBI-G
CAT8ꢀ0MTBI-G
CAT8ꢀ0JTBI-G
CAT8ꢀ0TTBI-G
CAT8ꢀ0STBI-G
CAT8ꢀ0RTBI-G
CAT8ꢀ0ZTBI-G
Doc. No. 3004, Rev. X
© 2007 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
ꢀ2
CAT803, CAT809, CAT810
REVISIOꢀ HISTORy
Date
ꢂev. ꢂeason
ꢀ0/29/2003
ꢀ0/30/2003
3/ꢀ0/2004
N
O
P
Updated VCC Transient Response text and Figure 2
Updated Power Up Reset Timeout vs. Temperature curve
Corrected temperature range
Updated Description
Updated Ordering Information
Updated Absolute Maximum Ratings
Updated Electrical Characteristics
03/23/2004
3/25/2004
Q
Updated Description
Updated Ordering Information
Updated Absolute Maximum Ratings
Updated Electrical Characteristics
Updated Typical Operating Characteristics
Updated Package Information
R
Changed Preliminary designation to Final
Updated Max Reset Active Timeout Period in Electrical Characteristics
Updated package drawings
5/ꢀ0/2004
S
T
Updated top marking table
ꢀ2/28/2005
Updated Features
Updated Ordering Information
Updated Top Marking
02/ꢀ7/2006
08/ꢀ0/2006
Q
U
Updated Typical Operating Characteristics
Updated Features
Updated Description
Updated Max Reset Active Timeout Period in Electrical Characteristics
Updated Figure ꢀ
Updated Package Information
Correct Revision Number
ꢀ0/ꢀ7/2006
02/ꢀ2/2007
03/20/2007
V
W
X
Updated Top Marking
Updated Detailed Description
Adding CAT803
Updated Electrical Characteristics
Updated Figure ꢀ
Updated Ordering Information
Updated Detailed Descriptions
© 2007 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
Doc No. 3004, Rev. X
ꢀ3
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applications intended to support or sustain life, or for any other application in which the failure of the Catalyst Semiconductor product could create a situation where
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Catalyst Semiconductor reserves the right to make changes to or discontinue any product or service described herein without notice. Products with data sheets
labeled “Advance Information” or “Preliminary” and other products described herein may not be in production or offered for sale.
Catalyst Semiconductor advises customers to obtain the current version of the relevant product information before placing orders. Circuit diagrams illustrate typical
semiconductor applications and may not be complete.
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Corporate Headquarters
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www.catsemi.com
Document No: 3004
Revision:
X
Issue date:
03.20.07
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