The Texas Instruments' LSF-EVM aids in the evaluation of the operation and performance of the LSF
family of auto-bidirectional multi-voltage level translators. The LSF family of devices are level translators
that support a voltage range of 0.95 V to 5.5 V and provide multi-voltage bidirectional translation without
the need for a direction pin.
The LSF-EVM comes populated with the LSF0108PWR device and has landing patterns that are
compatible with the LSF0101DRYR, LSF0102DCTR, and LSF0204PWR devices.
The LSF-EVM is optimized for high-speed translation by reducing reflections for data rates greater than
100 MHz. Additionally, the design of the board enables simple evaluation as multiple connection interfaces
are available and pullups are populated which is easily connected or disconnected by using shunt
jumpers.
2Hardware Description
2.1Board View and Supported Devices
The LSF-EVM comes populated with the LSF0108 device in the PW (TSSOP) package; however, this
EVM can evaluate additional devices as well. Figure 1 shows the EVM populated with the LSF0108PWR
device, and Table 1 lists all of the part numbers and packages that are compatible with the LSF-EVM.
www.ti.com
Figure 1. LSF-EVM With LSF0108PW Populated
Table 1. Compatible Parts and Packages for LSF-EVM
Part NumberPackages
LSF0101DRYRSON (DRY) - See Figure 2 for device pad location
LSF0102DCTRSSOP (DCT) - See Figure 3 for device pad location
LSF0204PWRTSSOP (PW) - See Figure 4 for device pad location
LSF0204DPWRTSSOP (PW) - See Figure 4 for device pad location
NOTE: The location of pin 1 of the LSF0204 and LSF0204D is not the same as the LSF0108 which
comes pre-populated on the board. Please note the location of the LSF0204 device in
Figure 4 carefully, as pin 1 of the LSF0204 is located on the LSF0108 pin 2 landing pad.
2.2Board Overview
Figure 5 shows an overview of the LSF-EVM. The main features, such as connectors, pullups, and
headers are highlighted. A more detailed description of the board is given in Section 2.3, and a schematic
is provided in the Section 4.2 section.
Figure 3. LSF-EVM With LSF0102
Populated
Figure 4. LSF-EVM With LSF0204
Populated
NOTE: Two sections of the board are labeled as LSF0204*. The LSF0204 has a different pinout,
and additional jumpers are required for proper operation. See Section 3.2 for additional
information regarding evaluation of the LSF0204 and LSF0204D devices.
This section describes the components on the LSF-EVM to aid in configuration of the EVM prior to
evaluation of the selected LSF device.
2.3.1J1, J2 - A Supply (Vref_A), B Supply (V_PU)
These jumpers provide connections for the A side and B side supplies for the LSF device. The grounds of
each jumper are shorted, with two positions provided for convenience. Be sure that the two supplies share
the same ground.
Refer to Table 2 for allowable supply voltages.
Table 2. Allowable Operating Voltages
PARAMETERMINMAXUNIT
V_PUPullup supply voltageVref_A + 0.855.5V
Vref_AA side reference voltage0.955.5V
V
I(EN)
2.3.2J3, J4 - A Side and B Side Pullup Headers
These jumpers are provided to be able to quickly connect or disconnect the pullup resistors connected to
the A side supply (Vref_A) or the B side supply (V_PU). Additionally for multi-supply voltage level
translation, a separate supply voltage could be connected to the side of the header that is directly
connected to the resistor. See Figure 6 for an example of this additional supply.
Enable pin input voltageVref_A + 0.855.5V
www.ti.com
Figure 6. Jumper and Supply Connections for Multi-Voltage Level Translation (Zoom for High Resolution)
The pullup resistors that come populated on the board are 310 Ω.
The pullup resistor must be selected to limit the current through the pass transistor to 64 mA maximum.
To ensure a pass voltage of 260 mV to 350 mV, the pullup resistor should be sized to limit the current
through the pass transistor to 15 mA, see Figure 7. To set the current through each pass transistor at 15
mA, calculate the pullup resistor value using Equation 1:
Table 3 summarizes resistor values, reference voltages, and currents at 15 mA, 10 mA, and 3 mA. The
resistor value shown in the +10% column (or a larger value) must be used to ensure that the pass voltage
of the transistor is 350 mV or less.
Hardware Description
Figure 7. LSF Pass Transistor LOW-State Operation
Rpu = (Vpu – 0.35 V) / 0.015 A(1)
Table 3. Pullup Resistor Values
V
PU
5 V
3.3 V1972172953259831082
2.5 V143158215237717788
1.8 V97106145160483532
1.5 V7785115127383422
1.2 V57638594283312
(1)
Calculated for VOL= 0.35 V
(2)
Assumes output driver VOL= 0.175 V at stated current
(3)
+10% to compensate for VDDrange and resistor tolerance
Connectors J5 and J6 are provided for channel 1 of the device to enable optimal conditions for high-speed
operation of the LSF devices. J7 and J8 are spaces left for additional edge-mount connectors to connect
channel 2. See Section 4.3 for orderable part numbers.
For input signals that are being driven by a 50-Ω source, TI recommends to have a 50-Ω termination
either at the device, see Figure 8.
2.3.4J9, J10 - Channel 3-8 Header Connectors
Connectors J9 and J10 are provided for channels 3-8 of the device to enable the remaining connections
for the LSF0108 device. Each output has a corresponding ground connection to enable measurement of
the output using a differential probe for optimal signal integrity.
(1)(2)
(3)
(Ω)NOMINAL (Ω)+10%
(3)
(Ω)
2.3.5J11, J12 - Additional Headers for LSF0204 and LSF0204D Operation
J11 and J12 are provided as connectors for use when the LSF0204 device is populated. See Section 3.2
for additional information.
Figure 9 shows a typical setup of the LSF-EVM with the LSF0204 device populated. Note the following
connections:
•VREF_A is connected to J1
•V_PU is connected to J2
•A high-speed signal can be connected into the SMA Connector on the A side with a 50-Ω termination
impedance to reduce line reflections
•An SMA cable is connected from the B side to a high-impedance oscilloscope input to monitor the
output waveform
•Four red boxes indicate the positions for shunt jumpers, refer to the following descriptions:
– SH1: This shunt jumper is populated to pull up the B3 line to up translate the signal from the A side
– SH2: This shunt jumper is populated to pull up the B1 line to up translate the signal from the A side
– SH3: This shunt jumper is populated to short/bypass the R7 200-kΩ resistor. This resistor is not
required for operation with the LSF0204 devices, as the 200-kΩ resistor is integrated.
– SH4: This shunt jumper is populated to connect the EN pin of the LSF0204 to VREF_A to enable
the device. For the LSF0204D device, this shunt/jumper should be connected to GND to enable the
device (shifting the shunt/jumper up one position pulls this line to ground).
Setup
3.3Operating Modes
There are two operating modes of the LSF-EVM: dual-supply operation and single-supply operation.
This is the typical mode of operation for this EVM. Two supplies are used as shown in Figure 8. With two
supplies connected, the device is able to up or down translate bidirectionally between the A and B side
when the corresponding pullup resistors are connected.
Single-supply operation enables the use of a single supply to bias the LSF to enable translation. The
primary application for this setup is when the A side has a variable supply. Because the VREF_A voltage
must be 0.8 V less than the VREF_B voltage, this setup enables the user to bias the device and allow for
a wider range of voltages on the A side.
NOTE: One limitation of this setup is that it does not allow for a pullup to be placed between the A
side output and the VREF_A pin. A separate supply is required for up translation on the A
side.
www.ti.com
Figure 10. LSF0102 Single-Supply Operation Setup
To enable single-supply operation, resistors R1and R2must be populated, see Figure 12.
Use Equation 2 to determine the value of R1to set the threshold of the device:
where
•V
•VPUis the supply voltage provided at the J2 jumper and must be 0.85 V higher than V
•VTHis the threshold drop of the device, assumed to be 0.85 V.
•R7 is the pullup resistor between V
•R1 is the resistor that connects VPUto V
•R2 is the resistor that connects V
is the lowest voltage that is desired on the A side.
REFA
and VPU, typically 200 kΩ.
REFB
, recommended 1 MΩ.
REFA
to ground.(2)
REFA
REFA
.
Figure 11. LSF-EVM Without Single-Supply Resistors
1. Delivery: TI delivers TI evaluation boards, kits, or modules, including any accompanying demonstration software, components, and/or
documentation which may be provided together or separately (collectively, an “EVM” or “EVMs”) to the User (“User”) in accordance
with the terms set forth herein. User's acceptance of the EVM is expressly subject to the following terms.
1.1 EVMs are intended solely for product or software developers for use in a research and development setting to facilitate feasibility
evaluation, experimentation, or scientific analysis of TI semiconductors products. EVMs have no direct function and are not
finished products. EVMs shall not be directly or indirectly assembled as a part or subassembly in any finished product. For
clarification, any software or software tools provided with the EVM (“Software”) shall not be subject to the terms and conditions
set forth herein but rather shall be subject to the applicable terms that accompany such Software
1.2 EVMs are not intended for consumer or household use. EVMs may not be sold, sublicensed, leased, rented, loaned, assigned,
or otherwise distributed for commercial purposes by Users, in whole or in part, or used in any finished product or production
system.
2Limited Warranty and Related Remedies/Disclaimers:
2.1 These terms do not apply to Software. The warranty, if any, for Software is covered in the applicable Software License
Agreement.
2.2 TI warrants that the TI EVM will conform to TI's published specifications for ninety (90) days after the date TI delivers such EVM
to User. Notwithstanding the foregoing, TI shall not be liable for a nonconforming EVM if (a) the nonconformity was caused by
neglect, misuse or mistreatment by an entity other than TI, including improper installation or testing, or for any EVMs that have
been altered or modified in any way by an entity other than TI, (b) the nonconformity resulted from User's design, specifications
or instructions for such EVMs or improper system design, or (c) User has not paid on time. Testing and other quality control
techniques are used to the extent TI deems necessary. TI does not test all parameters of each EVM.
User's claims against TI under this Section 2 are void if User fails to notify TI of any apparent defects in the EVMs within ten (10)
business days after delivery, or of any hidden defects with ten (10) business days after the defect has been detected.
2.3 TI's sole liability shall be at its option to repair or replace EVMs that fail to conform to the warranty set forth above, or credit
User's account for such EVM. TI's liability under this warranty shall be limited to EVMs that are returned during the warranty
period to the address designated by TI and that are determined by TI not to conform to such warranty. If TI elects to repair or
replace such EVM, TI shall have a reasonable time to repair such EVM or provide replacements. Repaired EVMs shall be
warranted for the remainder of the original warranty period. Replaced EVMs shall be warranted for a new full ninety (90) day
warranty period.
3Regulatory Notices:
3.1 United States
3.1.1 Notice applicable to EVMs not FCC-Approved:
FCC NOTICE: This kit is designed to allow product developers to evaluate electronic components, circuitry, or software
associated with the kit to determine whether to incorporate such items in a finished product and software developers to write
software applications for use with the end product. This kit is not a finished product and when assembled may not be resold or
otherwise marketed unless all required FCC equipment authorizations are first obtained. Operation is subject to the condition
that this product not cause harmful interference to licensed radio stations and that this product accept harmful interference.
Unless the assembled kit is designed to operate under part 15, part 18 or part 95 of this chapter, the operator of the kit must
operate under the authority of an FCC license holder or must secure an experimental authorization under part 5 of this chapter.
3.1.2 For EVMs annotated as FCC – FEDERAL COMMUNICATIONS COMMISSION Part 15 Compliant:
CAUTION
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not
cause harmful interference, and (2) this device must accept any interference received, including interference that may cause
undesired operation.
Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to
operate the equipment.
FCC Interference Statement for Class A EVM devices
NOTE: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of
the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is
operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not
installed and used in accordance with the instruction manual, may cause harmful interference to radio communications.
Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to
correct the interference at his own expense.
FCC Interference Statement for Class B EVM devices
NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of
the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential
installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance
with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference
will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which
can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more
of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.
3.2 Canada
3.2.1 For EVMs issued with an Industry Canada Certificate of Conformance to RSS-210 or RSS-247
Concerning EVMs Including Radio Transmitters:
This device complies with Industry Canada license-exempt RSSs. Operation is subject to the following two conditions:
(1) this device may not cause interference, and (2) this device must accept any interference, including interference that may
cause undesired operation of the device.
Concernant les EVMs avec appareils radio:
Le présent appareil est conforme aux CNR d'Industrie Canada applicables aux appareils radio exempts de licence. L'exploitation
est autorisée aux deux conditions suivantes: (1) l'appareil ne doit pas produire de brouillage, et (2) l'utilisateur de l'appareil doit
accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible d'en compromettre le fonctionnement.
Concerning EVMs Including Detachable Antennas:
Under Industry Canada regulations, this radio transmitter may only operate using an antenna of a type and maximum (or lesser)
gain approved for the transmitter by Industry Canada. To reduce potential radio interference to other users, the antenna type
and its gain should be so chosen that the equivalent isotropically radiated power (e.i.r.p.) is not more than that necessary for
successful communication. This radio transmitter has been approved by Industry Canada to operate with the antenna types
listed in the user guide with the maximum permissible gain and required antenna impedance for each antenna type indicated.
Antenna types not included in this list, having a gain greater than the maximum gain indicated for that type, are strictly prohibited
for use with this device.
Concernant les EVMs avec antennes détachables
Conformément à la réglementation d'Industrie Canada, le présent émetteur radio peut fonctionner avec une antenne d'un type et
d'un gain maximal (ou inférieur) approuvé pour l'émetteur par Industrie Canada. Dans le but de réduire les risques de brouillage
radioélectrique à l'intention des autres utilisateurs, il faut choisir le type d'antenne et son gain de sorte que la puissance isotrope
rayonnée équivalente (p.i.r.e.) ne dépasse pas l'intensité nécessaire à l'établissement d'une communication satisfaisante. Le
présent émetteur radio a été approuvé par Industrie Canada pour fonctionner avec les types d'antenne énumérés dans le
manuel d’usage et ayant un gain admissible maximal et l'impédance requise pour chaque type d'antenne. Les types d'antenne
non inclus dans cette liste, ou dont le gain est supérieur au gain maximal indiqué, sont strictement interdits pour l'exploitation de
l'émetteur
3.3 Japan
3.3.1 Notice for EVMs delivered in Japan: Please see http://www.tij.co.jp/lsds/ti_ja/general/eStore/notice_01.page 日本国内に
3.3.2 Notice for Users of EVMs Considered “Radio Frequency Products” in Japan: EVMs entering Japan may not be certified
by TI as conforming to Technical Regulations of Radio Law of Japan.
If User uses EVMs in Japan, not certified to Technical Regulations of Radio Law of Japan, User is required to follow the
instructions set forth by Radio Law of Japan, which includes, but is not limited to, the instructions below with respect to EVMs
(which for the avoidance of doubt are stated strictly for convenience and should be verified by User):
1. Use EVMs in a shielded room or any other test facility as defined in the notification #173 issued by Ministry of Internal
Affairs and Communications on March 28, 2006, based on Sub-section 1.1 of Article 6 of the Ministry’s Rule for
Enforcement of Radio Law of Japan,
2. Use EVMs only after User obtains the license of Test Radio Station as provided in Radio Law of Japan with respect to
EVMs, or
3. Use of EVMs only after User obtains the Technical Regulations Conformity Certification as provided in Radio Law of Japan
with respect to EVMs. Also, do not transfer EVMs, unless User gives the same notice above to the transferee. Please note
that if User does not follow the instructions above, User will be subject to penalties of Radio Law of Japan.
3.4.1 For EVMs subject to EU Directive 2014/30/EU (Electromagnetic Compatibility Directive):
This is a class A product intended for use in environments other than domestic environments that are connected to a
low-voltage power-supply network that supplies buildings used for domestic purposes. In a domestic environment this
product may cause radio interference in which case the user may be required to take adequate measures.
4EVM Use Restrictions and Warnings:
4.1 EVMS ARE NOT FOR USE IN FUNCTIONAL SAFETY AND/OR SAFETY CRITICAL EVALUATIONS, INCLUDING BUT NOT
LIMITED TO EVALUATIONS OF LIFE SUPPORT APPLICATIONS.
4.2 User must read and apply the user guide and other available documentation provided by TI regarding the EVM prior to handling
or using the EVM, including without limitation any warning or restriction notices. The notices contain important safety information
related to, for example, temperatures and voltages.
4.3 Safety-Related Warnings and Restrictions:
4.3.1 User shall operate the EVM within TI’s recommended specifications and environmental considerations stated in the user
guide, other available documentation provided by TI, and any other applicable requirements and employ reasonable and
customary safeguards. Exceeding the specified performance ratings and specifications (including but not limited to input
and output voltage, current, power, and environmental ranges) for the EVM may cause personal injury or death, or
property damage. If there are questions concerning performance ratings and specifications, User should contact a TI
field representative prior to connecting interface electronics including input power and intended loads. Any loads applied
outside of the specified output range may also result in unintended and/or inaccurate operation and/or possible
permanent damage to the EVM and/or interface electronics. Please consult the EVM user guide prior to connecting any
load to the EVM output. If there is uncertainty as to the load specification, please contact a TI field representative.
During normal operation, even with the inputs and outputs kept within the specified allowable ranges, some circuit
components may have elevated case temperatures. These components include but are not limited to linear regulators,
switching transistors, pass transistors, current sense resistors, and heat sinks, which can be identified using the
information in the associated documentation. When working with the EVM, please be aware that the EVM may become
very warm.
4.3.2 EVMs are intended solely for use by technically qualified, professional electronics experts who are familiar with the
dangers and application risks associated with handling electrical mechanical components, systems, and subsystems.
User assumes all responsibility and liability for proper and safe handling and use of the EVM by User or its employees,
affiliates, contractors or designees. User assumes all responsibility and liability to ensure that any interfaces (electronic
and/or mechanical) between the EVM and any human body are designed with suitable isolation and means to safely
limit accessible leakage currents to minimize the risk of electrical shock hazard. User assumes all responsibility and
liability for any improper or unsafe handling or use of the EVM by User or its employees, affiliates, contractors or
designees.
4.4 User assumes all responsibility and liability to determine whether the EVM is subject to any applicable international, federal,
state, or local laws and regulations related to User’s handling and use of the EVM and, if applicable, User assumes all
responsibility and liability for compliance in all respects with such laws and regulations. User assumes all responsibility and
liability for proper disposal and recycling of the EVM consistent with all applicable international, federal, state, and local
requirements.
5. Accuracy of Information: To the extent TI provides information on the availability and function of EVMs, TI attempts to be as accurate
as possible. However, TI does not warrant the accuracy of EVM descriptions, EVM availability or other information on its websites as
accurate, complete, reliable, current, or error-free.
6. Disclaimers:
6.1 EXCEPT AS SET FORTH ABOVE, EVMS AND ANY MATERIALS PROVIDED WITH THE EVM (INCLUDING, BUT NOT
LIMITED TO, REFERENCE DESIGNS AND THE DESIGN OF THE EVM ITSELF) ARE PROVIDED "AS IS" AND "WITH ALL
FAULTS." TI DISCLAIMS ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, REGARDING SUCH ITEMS, INCLUDING BUT
NOT LIMITED TO ANY EPIDEMIC FAILURE WARRANTY OR IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS
FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT OF ANY THIRD PARTY PATENTS, COPYRIGHTS, TRADE
SECRETS OR OTHER INTELLECTUAL PROPERTY RIGHTS.
6.2 EXCEPT FOR THE LIMITED RIGHT TO USE THE EVM SET FORTH HEREIN, NOTHING IN THESE TERMS SHALL BE
CONSTRUED AS GRANTING OR CONFERRING ANY RIGHTS BY LICENSE, PATENT, OR ANY OTHER INDUSTRIAL OR
INTELLECTUAL PROPERTY RIGHT OF TI, ITS SUPPLIERS/LICENSORS OR ANY OTHER THIRD PARTY, TO USE THE
EVM IN ANY FINISHED END-USER OR READY-TO-USE FINAL PRODUCT, OR FOR ANY INVENTION, DISCOVERY OR
IMPROVEMENT, REGARDLESS OF WHEN MADE, CONCEIVED OR ACQUIRED.
7. USER'S INDEMNITY OBLIGATIONS AND REPRESENTATIONS. USER WILL DEFEND, INDEMNIFY AND HOLD TI, ITS
LICENSORS AND THEIR REPRESENTATIVES HARMLESS FROM AND AGAINST ANY AND ALL CLAIMS, DAMAGES, LOSSES,
EXPENSES, COSTS AND LIABILITIES (COLLECTIVELY, "CLAIMS") ARISING OUT OF OR IN CONNECTION WITH ANY
HANDLING OR USE OF THE EVM THAT IS NOT IN ACCORDANCE WITH THESE TERMS. THIS OBLIGATION SHALL APPLY
WHETHER CLAIMS ARISE UNDER STATUTE, REGULATION, OR THE LAW OF TORT, CONTRACT OR ANY OTHER LEGAL
THEORY, AND EVEN IF THE EVM FAILS TO PERFORM AS DESCRIBED OR EXPECTED.
8. Limitations on Damages and Liability:
8.1 General Limitations. IN NO EVENT SHALL TI BE LIABLE FOR ANY SPECIAL, COLLATERAL, INDIRECT, PUNITIVE,
INCIDENTAL, CONSEQUENTIAL, OR EXEMPLARY DAMAGES IN CONNECTION WITH OR ARISING OUT OF THESE
TERMS OR THE USE OF THE EVMS , REGARDLESS OF WHETHER TI HAS BEEN ADVISED OF THE POSSIBILITY OF
SUCH DAMAGES. EXCLUDED DAMAGES INCLUDE, BUT ARE NOT LIMITED TO, COST OF REMOVAL OR
REINSTALLATION, ANCILLARY COSTS TO THE PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, RETESTING,
OUTSIDE COMPUTER TIME, LABOR COSTS, LOSS OF GOODWILL, LOSS OF PROFITS, LOSS OF SAVINGS, LOSS OF
USE, LOSS OF DATA, OR BUSINESS INTERRUPTION. NO CLAIM, SUIT OR ACTION SHALL BE BROUGHT AGAINST TI
MORE THAN TWELVE (12) MONTHS AFTER THE EVENT THAT GAVE RISE TO THE CAUSE OF ACTION HAS
OCCURRED.
8.2 Specific Limitations. IN NO EVENT SHALL TI'S AGGREGATE LIABILITY FROM ANY USE OF AN EVM PROVIDED
HEREUNDER, INCLUDING FROM ANY WARRANTY, INDEMITY OR OTHER OBLIGATION ARISING OUT OF OR IN
CONNECTION WITH THESE TERMS, , EXCEED THE TOTAL AMOUNT PAID TO TI BY USER FOR THE PARTICULAR
EVM(S) AT ISSUE DURING THE PRIOR TWELVE (12) MONTHS WITH RESPECT TO WHICH LOSSES OR DAMAGES ARE
CLAIMED. THE EXISTENCE OF MORE THAN ONE CLAIM SHALL NOT ENLARGE OR EXTEND THIS LIMIT.
9. Return Policy. Except as otherwise provided, TI does not offer any refunds, returns, or exchanges. Furthermore, no return of EVM(s)
will be accepted if the package has been opened and no return of the EVM(s) will be accepted if they are damaged or otherwise not in
a resalable condition. If User feels it has been incorrectly charged for the EVM(s) it ordered or that delivery violates the applicable
order, User should contact TI. All refunds will be made in full within thirty (30) working days from the return of the components(s),
excluding any postage or packaging costs.
10. Governing Law: These terms and conditions shall be governed by and interpreted in accordance with the laws of the State of Texas,
without reference to conflict-of-laws principles. User agrees that non-exclusive jurisdiction for any dispute arising out of or relating to
these terms and conditions lies within courts located in the State of Texas and consents to venue in Dallas County, Texas.
Notwithstanding the foregoing, any judgment may be enforced in any United States or foreign court, and TI may seek injunctive relief
in any United States or foreign court.
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