1. General description
The 74LVT125; 74LVTH125 is a high-performance BiCMOS product designed for VCC
operation at 3.3 V.
This device combines low static and dynamic power dissipation with high speed and high
output drive. The 74LVT125; 74LVTH125 device is a quad buffer that is ideal for driving
bus lines. The device features four output en able input s (1OE, 2 OE, 3OE and 4OE), each
controlling one of the 3-state outputs.
2. Features and benefits
Quad bus interface
3-state buffers
Output capability: +64 mA and 32 mA
TTL input and output switching levels
Input and output interface capability to systems at 5 V supply
Bus hold data in put s elimina te need for extern al pull-up r esistors to hold unused input s
Live insertion an d ex tra c t ion per m itte d
No bus current loading when output is tied to 5 V bus
Power-up 3-state
Latch-up protection:
JESD78: exceeds 500 mA
ESD protection:
MIL STD 883 method 3015: exceeds 2000 V
Machine model: exce eds 20 0 V
74LVT125; 74LVTH125
3.3 V quad buffer; 3-state
Rev. 7 — 31 May 2016 Product data sheet
© Nexperia B.V. 2017. All rights reserved
74LVT_LVTH125 All information provided in this document is subject to legal disclaimers.
Product data sheet Rev. 7 — 31 May 2016 2 of 16
Nexperia 74LVT125; 74LVTH125
3.3 V quad buffer; 3-state
3. Ordering information
4. Functional diagram
Table 1. Ordering information
Type number Package
Temperatur e ra nge Name Description Version
74LVT125D 40 C to +85 C SO14 plastic small outline package; 14 leads;
body width 3.9 mm SOT108-1
74LVTH125D
74LVT125DB 40 C to +85 C SSOP14 plastic shrink small outline package; 14 leads;
body width 5.3 mm SOT337-1
74LVTH125DB
74LVT125PW 40 C to +85 C TSSOP14 plastic thin shrink small outline package; 14 leads;
body width 4.4 mm SOT402-1
74LVTH125PW
74LVT125BQ 40 C to +85 C DHVQFN14 plastic dual in-line compatible thermal enhanced very
thin quad flat package; no leads; 14 termina ls;
body 2.5 30.85 mm
SOT762-1
74LVTH125BQ
Fig 1. Logic symbol Fig 2. IEC logic symbol Fig 3. Logic diagram (one buffer)
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© Nexperia B.V. 2017. All rights reserved
74LVT_LVTH125 All information provided in this document is subject to legal disclaimers.
Product data sheet Rev. 7 — 31 May 2016 3 of 16
Nexperia 74LVT125; 74LVTH125
3.3 V quad buffer; 3-state
5. Pinning information
5.1 Pinning
5.2 Pin description
(1) This is not a supply pin. The substrate is attached to this
pad using conductive die attach material. There is no
electrical or mechanical requirement to solder this pad.
However, if it is soldered, the solder land should remain
floating or be connected to GND.
Fig 4. Pin configuration SO14, SSOP14 and
TSSOP14 Fig 5. Pin configuration DHVQFN14
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Table 2. Pin description
Symbol Pin Description
1OE 1 1 output enable input (active LOW)
1A 2 1 data input
1Y 3 1 data output
2OE 4 2 output enable input (active LOW)
2A 5 2 data input
2Y 6 2 data output
GND 7 ground (0 V)
3Y 8 3 data output
3A 9 3 data input
3OE 10 3 output enable input (active LOW)
4Y 11 4 data output
4A 12 4 data input
4OE 13 4 output enable input (active LOW)
VCC 14 supply voltage
© Nexperia B.V. 2017. All rights reserved
74LVT_LVTH125 All information provided in this document is subject to legal disclaimers.
Product data sheet Rev. 7 — 31 May 2016 4 of 16
Nexperia 74LVT125; 74LVTH125
3.3 V quad buffer; 3-state
6. Functional description
6.1 Function table
[1] H = HIGH voltage level; L = LOW voltage level; X = don’t care; Z = high-impedance OFF-state.
7. Limiting values
[1] The input and output negative voltage ratings may be exceeded if the input and output clamp current ratings are observed.
[2] The performance capability of a high-performance integrated circuit in conjunction with its thermal environment can create junction
temperatures which are detrimental to reliability.
8. Recommended operating conditions
Table 3. Function table[1]
Control Input Output
nOE nA nY
LLL
LHH
HXZ
Table 4. L imiting values
In accordance with the Absolute Maximum Rating System (IEC 60134). Voltages are referenced to GND (ground = 0 V).
Symbol Parameter Conditions Min Max Unit
VCC supply voltage 0.5 +4.6 V
VIinput voltage [1] 0.5 +7.0 V
VOoutput voltage output in OFF-state or HIGH-state [1] 0.5 +7.0 V
IIK input clamping current VI<0V - 50 mA
IOK output clamping current VO<0V - 50 mA
IOoutput current output in LOW-state - 128 mA
output in HIGH-state - 64 mA
Tstg storage temperature 65 +150 C
Tjjunction temperature [2] -150C
Table 5. Recommended operating con ditions
Symbol Parameter Conditions Min Typ Max Unit
VCC supply voltage 2.7 - 3.6 V
VIinput voltage 0 - 5.5 V
VIH HIGH-level input voltage 2.0 - - V
VIL LOW-level input voltage - - 0.8 V
IOH HIGH-level output current - - 32 mA
IOL LOW-level output current none - - 32 mA
current duty cycle 50 %;
f1kHz --64mA
t/V input transition rise and fall rate 0 - 10 ns/V
Tamb ambient temperature in free air 40 - +85 C
© Nexperia B.V. 2017. All rights reserved
74LVT_LVTH125 All information provided in this document is subject to legal disclaimers.
Product data sheet Rev. 7 — 31 May 2016 5 of 16
Nexperia 74LVT125; 74LVTH125
3.3 V quad buffer; 3-state
9. Static characteristics
Table 6. Static characteristics
At recommended operating conditions; voltages are referenced to GND (ground = 0 V).
Symbol Parameter Conditions Min Typ Max Unit
Tamb =40 C to +85 C[1]
VIK input clamping voltage IIK =18 mA; VCC = 2.7 V - 0.9 1.2 V
VOH HIGH-level output voltage IOH =100 A;
VCC = 2.7 V to 3.6 V VCC 0.2 VCC 0.1 - V
IOH =8mA; V
CC = 2.7 V 2.4 2.5 - V
IOH =32 mA; VCC = 3.0 V 2.0 2.2 - V
VOL LOW-level output voltage VCC = 2.7 V
IOL =100A-0.10.2V
IOL =24mA - 0.3 0.5 V
VCC = 3.0 V
IOL = 16 mA - 0.25 0.4 V
IOL =32mA - 0.3 0.5 V
IOL =64mA - 0.4 0.55 V
IIinput leakage current all input pins
VCC = 0 V or 3.6 V; VI=5.5V - 1 10 A
control pins
VCC = 3.6 V; VI=V
CC or GND - 0.1 1A
data pins [2]
VCC = 3.6 V; VI=V
CC -0.11A
VCC = 3.6 V; VI=0V - 15A
IOFF power-off leakage current VCC = 0 V; V I or VO= 0 V to 4.5 V - 1 100 A
IBHL bus hold LOW current VCC = 3 V; VI = 0.8 V [3] 75 150 - A
IBHH bus hold HIGH current V CC = 3 V; VI = 2.0 V - 150 75 A
IBHLO bus hold LOW
overdrive current VCC =3.6V; V
I=0Vto3.6V 500 - - A
IBHHO bus hold HIGH
overdrive current VCC =3.6V; V
I=0Vto3.6V - - 500 A
ILO output leakage current output in HIGH-state when
VO>V
CC; VO = 5.5 V;
VCC =3.0V
-60125A
IO(pu/pd) power-up/power-down output
current VCC 1.2 V; VO=0.5Vto V
CC;
VI=GNDorV
CC;
nOE =don’tcare
[4] -1100 A
IOZ OFF-state output current VCC =3.6V; V
I=V
IH or VIL
output HIGH: VO=3.0V - 1 5 A
output LOW: VO=0.5V - 15A
© Nexperia B.V. 2017. All rights reserved
74LVT_LVTH125 All information provided in this document is subject to legal disclaimers.
Product data sheet Rev. 7 — 31 May 2016 6 of 16
Nexperia 74LVT125; 74LVTH125
3.3 V quad buffer; 3-state
[1] Typical values are measured at VCC = 3.3 V and Tamb = 25 C.
[2] Unused pins at VCC or GND.
[3] This is the bus hold overdrive current required to force the input to the opposite logic state.
[4] This parameter is valid for any VCC between 0 V and 1.2 V with a transition time of up to 10 ms. From VCC = 1.2 V to VCC = 3.0 V to
3.6 V a transition time of 100 s is permitted. This parameter is valid for Tamb =25C only.
[5] ICC is measured with outputs pulled to VCC or GND.
[6] This is the increase in supply current for each input at the specified voltage level other than VCC or GND.
10. Dynamic characteristics
ICC supply current VCC =3.6V; V
I=GNDorV
CC;
IO=0A
outputs HIGH - 0.13 0.19 mA
outputs LOW - 2 7 mA
outputs disabled [5] - 0.13 0.19 mA
ICC additional supply current per input pin; VCC = 3 V to 3.6 V;
one input at VCC 0.6 V and
other inputs at VCC or GND
[6] -0.10.2mA
CIinput capacitance VI = 0 V or 3.0 V - 4 - pF
COoutput capacitance outputs disabled;
VO=0Vor3.0V -8-pF
Table 6. Static characteristics …continued
At recommended operating conditions; voltages are referenced to GND (ground = 0 V).
Symbol Parameter Conditions Min Typ Max Unit
Table 7. Dynamic characteristics
Vo ltages are referenced to GND (ground = 0 V); for test circuit see Figure 8.
Symbol Parameter Conditions Min Typ Max Unit
Tamb =40 C to +85 C[1]
tPLH LOW to HIGH propagation delay nAn to nY; see Figure 6
VCC = 2.7 V - - 4.5 ns
VCC = 3.0 V to 3.6 V 1.0 2.7 4.0 ns
tPHL HIGH to LOW propagation delay nAn to nY; see Figure 6
VCC = 2.7 V - - 4.9 ns
VCC = 3.0 V to 3.6 V 1.0 2.9 3.9 ns
tPZH OFF-state to HIGH propagation delay nOE to nY; see Figure 7
VCC = 2.7 V - - 6.0 ns
VCC = 3.0 V to 3.6 V 1.0 3.4 4.7 ns
tPZL OFF-state to LOW propagation delay nOE to nY; see Figure 7
VCC = 2.7 V - - 6.5 ns
VCC = 3.0 V to 3.6 V 1.1 3.4 4.7 ns
tPHZ HIGH to OFF-state propagation delay nOE to nY; see Figure 7
VCC = 2.7 V - - 5.7 ns
VCC = 3.0 V to 3.6 V 1.8 3.7 5.1 ns
© Nexperia B.V. 2017. All rights reserved
74LVT_LVTH125 All information provided in this document is subject to legal disclaimers.
Product data sheet Rev. 7 — 31 May 2016 7 of 16
Nexperia 74LVT125; 74LVTH125
3.3 V quad buffer; 3-state
[1] Typical values are at VCC = 3.3 V and Tamb =25 C.
11. Waveforms
tPLZ LOW to OFF-state propagation delay nOE to nY; see Figure 7
VCC = 2.7 V - - 4.0 ns
VCC = 3.0 V to 3.6 V 1.3 2.6 4.5 ns
Table 7. Dynamic characteristics …continued
Vo ltages are referenced to GND (ground = 0 V); for test circuit see Figure 8.
Symbol Parameter Conditions Min Typ Max Unit
VM = 1.5 V.
VOL and VOH are typical voltage output levels that occur with the output load.
Fig 6. Propagation delay input (nA) to output (nY)
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VOL and VOH are typical voltage output levels that occur with the output load.
Fig 7. Enable and disable times of 3-state outputs
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© Nexperia B.V. 2017. All rights reserved
74LVT_LVTH125 All information provided in this document is subject to legal disclaimers.
Product data sheet Rev. 7 — 31 May 2016 8 of 16
Nexperia 74LVT125; 74LVTH125
3.3 V quad buffer; 3-state
Test data is given in Table 8.
Definitions test circuit:
RL = Load resistance.
CL = Load capacitance including jig and probe capacitance.
RT = Termination resistance should be equal to output impedance Zo of the pulse generator.
VEXT = Test voltage for switching times.
Fig 8. Test circuit for measuring switching times
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Table 8. Test data
Input Load VEXT
VIfitWtr, tfCLRLtPHZ, tPZH tPLZ, tPZL tPLH, tPHL
2.7 V 10 MHz 500 ns 2.5 ns 50 pF 500 GND 6 V open
© Nexperia B.V. 2017. All rights reserved
74LVT_LVTH125 All information provided in this document is subject to legal disclaimers.
Product data sheet Rev. 7 — 31 May 2016 9 of 16
Nexperia 74LVT125; 74LVTH125
3.3 V quad buffer; 3-state
12. Package outline
Fig 9. Package outline SOT108-1 (SO14)
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© Nexperia B.V. 2017. All rights reserved
74LVT_LVTH125 All information provided in this document is subject to legal disclaimers.
Product data sheet Rev. 7 — 31 May 2016 10 of 16
Nexperia 74LVT125; 74LVTH125
3.3 V quad buffer; 3-state
Fig 10. Package outline SOT337-1 (SSOP14)
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© Nexperia B.V. 2017. All rights reserved
74LVT_LVTH125 All information provided in this document is subject to legal disclaimers.
Product data sheet Rev. 7 — 31 May 2016 11 of 16
Nexperia 74LVT125; 74LVTH125
3.3 V quad buffer; 3-state
Fig 11. Package outline SOT402-1 (TSSOP14)
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© Nexperia B.V. 2017. All rights reserved
74LVT_LVTH125 All information provided in this document is subject to legal disclaimers.
Product data sheet Rev. 7 — 31 May 2016 12 of 16
Nexperia 74LVT125; 74LVTH125
3.3 V quad buffer; 3-state
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© Nexperia B.V. 2017. All rights reserved
74LVT_LVTH125 All information provided in this document is subject to legal disclaimers.
Product data sheet Rev. 7 — 31 May 2016 13 of 16
Nexperia 74LVT125; 74LVTH125
3.3 V quad buffer; 3-state
13. Abbreviations
14. Revision history
Table 9. Ab breviations
Acronym Description
CMOS Complementary Metal Oxide Semiconductor
DUT Device Under Test
ESD ElectroStatic Discharge
TTL Transistor-Transistor Logic
Table 10. Revision history
Document ID Release date Data sheet status Change notice Supersedes
74LVT_LVTH125 v.7 20160531 Product data sheet - 74LVT125 v.6
Modifications: •The format of this data sheet has been redesigned to comply with the new identity
guidelines of NXP Semiconductors.
•Legal texts have been adapted to the new company name where appropriate.
74LVT_LVTH125 v.6 20060306 Product data sheet - 74LVT125 v.5
Modifications: •Section 3: Added type numbers 74LVTH125D, 74LVTH125DB, 74LVTH125PW and
74LVTH125BQ.
74LVT125 v.5 20050210 Product data sheet - 74LVT125 v.4
74LVT125 v.4 20050207 Product data sheet - 74LVT125 v.3
74LVT125 v.3 20040624 Product data sheet - 74LVT125 v.2
74LVT125 v.2 19980219 Product specification - 74LVT125 v.1
74LVT125 v.1 - - - -
© Nexperia B.V. 2017. All rights reserved
74LVT_LVTH125 All information provided in this document is subject to legal disclaimers.
Product data sheet Rev. 7 — 31 May 2016 14 of 16
Nexperia 74LVT125; 74LVTH125
3.3 V quad buffer; 3-state
15. Legal information
15.1 Data sheet status
[1] Please consult the most recently issued document before initiating or completing a design.
[2] The term ‘short data sheet’ is explained in section “Definitions”.
[3] The product sta tus of device( s) described in this docu ment may have change d since this d ocument was p ublished and may dif fer in case of multiple devices. The latest product statu s
information is available on the Internet at URL http://www.nexperia.com.
15.2 Definitions
Draft — The document is a draft version only. The content is still under
internal review and subject to formal approval, which may result in
modifications or additions. Nexperia does not give any
representations or warranties as to the accuracy or completeness of
information included herein and shall have no liab ility for the consequences of
use of such information.
Short data sheet — A short data sheet is an extract from a full data sheet
with the same product type number(s) and tit le. A short data sh eet is intended
for quick reference only and shou ld not b e relied u pon to cont ain det ailed and
full information. For detailed and full information see the relevant full data
sheet, which is available on request via the local Nexperia sales
office. In case of any inconsistency or conflict wit h the short data sheet, th e
full data sheet shall pre va il.
Product specificatio n — The information and data provided in a Product
data sheet shall define the specification of the product as agr eed between
Nexperia and its customer, unless Nexperia and
customer have explicitly agreed otherwise in writing. In no event however,
shall an agreement be valid in which the Nexperia product is
deemed to off er functions and qualities beyond those described in the
Product data sheet.
15.3 Disclaimers
Limited warr a nty and liability — Information in this document is believed to
be accurate and reliable. However, Nexperia does not give any
representations or warrant ies, expressed or implied, as to the accuracy or
completeness of such information and shall have no liability for the
consequences of use of such information. Nexperia takes no
responsibility for the content in this document if provided by an information
source outside of Nexperia.
In no event shall Nexperia be liable for any indirect, incidental,
punitive, special or consequ ential damages (including - wit hout limitation - lost
profits, lost savings, business interruption, costs related to the removal or
replacement of any products or rework charges) whether or not such
damages are based on tort (including negligence), warranty, breach of
contract or any other legal theory.
Notwithstanding any damages that customer might incur for any reason
whatsoever, Nexperia’s aggregate and cumulative liability towards
customer for the products described herein shall be limited in accordance
with the Terms and conditions of commercial sale of Nexperia.
Right to make changes — Nexperia reserves the right to make
changes to information published in this document, including without
limitation specifications and product descriptions, at any time and without
notice. This document supersedes and replaces all informa tion supplied prior
to the publication hereof .
Suitability for use — Nexperia products are not designed,
authorized or warranted to be suitable for use in life support, life-critical or
safety-critical systems or equipment, nor in applications where failure or
malfunction of a Nexperia product can reasonably be expected
to result in perso nal injury, death or severe property or environmental
damage. Nexperia and its suppliers accept no liability for
inclusion and/or use of Nexperia products in such equipment or
applications and ther efore such inclu sion and/or use is at the cu stomer’s own
risk.
Applications — Applications that are described herein for any of these
products are for illustrative purposes only. Nexperia makes no
representation or warranty that such applications will be suitable for the
specified use without further testing or modification.
Customers are responsible for the design and ope ration of their applications
and products using Nexperia products, and Nexperia
accepts no liability for any assistance with applicati ons or customer product
design. It is customer’s sole responsibility to determine whether the Nexperia
product is suitable and fit for the customer’s applications and
products planned, as well as fo r the planned application and use of
customer’s third party customer(s). Custo mers should provide appropriate
design and operating safeguards to minimize the risks associated with their
applications and products.
Nexperia does not accept any liability related to any default,
damage, costs or problem which is based on any weakness or default in the
customer’s applications or products, or the application or use by customer’s
third party custo mer(s). Customer is responsible for doing all necessary
testing for the customer’s applications and products using Nexperia
products in order to avoid a default of the applications and
the products or of the application or use by customer’s third party
customer(s). Nexperia does not accept any liability in this respect.
Limiting values — Stress above one or more limiting values (as defined in
the Absolute Maximum Ratings System of IEC 60134) will cause permanent
damage to the device. Limiting values are stress ratings only and (proper)
operation of the device at these or any other conditions above those given in
the Recommended operating conditions section (if present) or the
Characteristics sections of this document is not warranted. Constant or
repeated exposure to limiting values will permanently and irreversibly affect
the quality and reliability of the device.
Terms and conditions of commercial sale — Nexperia
products are sold subject to the general terms and conditions of commercial
sale, as published at http://www.nexperia.com/profile/terms, unless otherwise
agreed in a valid written individua l agreement. In case an individual
agreement is concluded only the terms and conditions of the respective
agreement shall apply. Nexperia hereby expressly objects to
applying the customer’s general terms and conditions with regard to the
purchase of Nexperia products by customer.
No offer to sell or license — Nothing i n this document may be interpreted or
construed as an of fer t o sell product s that is open for accept ance or the gr ant,
conveyance or implication of any license under any copyrights, patents or
other industrial or inte llectual property rights.
Document status[1][2] Product status[3] Definition
Objective [short] data sheet Development This document contains data from the objective specification for product development.
Preliminary [short] dat a sheet Qualification This document contains data from the preliminary specification.
Product [short] data sheet Production This document contains the product specification.
© Nexperia B.V. 2017. All rights reserved
74LVT_LVTH125 All information provided in this document is subject to legal disclaimers.
Product data sheet Rev. 7 — 31 May 2016 15 of 16
Nexperia 74LVT125; 74LVTH125
3.3 V quad buffer; 3-state
Export control — This document as well as the item(s) described herein
may be subject to export control regulations. Export might require a prior
authorization from competent authorities.
Non-automotive qualified products — Unless this data sheet expressly
states that this specific Nexperia product is automotive qualified,
the product is not suitable for automotive use. It i s neit her qua lif ied nor test ed
in accordance with automotive testing or application requirements. Nexperia
accepts no liability for inclusion and/or use of
non-automotive qualified products in au tomotive equipment or applications.
In the event that customer uses the product for design-in and use in
automotive applications to automot ive specifications and standards, custome r
(a) shall use the product without Nexperia’s warranty of the
product for such au tomotive applications, use and specificatio ns, and (b)
whenever customer uses the product for automotive applications beyond
Nexperia’s specifications such use shall be solely at customer’s
own risk, and (c) customer fully indemnifies Nexperia for any
liability, damages or failed product claims resulting from custome r design and
use of the product for automotive applications beyond Nexperia’s
standard warranty and Nexperia’s product specifications.
Translations — A non-English (translated) version of a document is for
reference only. The English version shall prevail in case of any discrepancy
between the translated and English versions.
15.4 Trademarks
Notice: All referenced b rands, produc t names, service names and trademarks
are the property of their respective ow ners.
16. Contact information
For more information, please visit: http://www.nexperia.com
For sales office addresses, please send an email to: salesaddresses@nexperia.com
Nexperia 74LVT125; 74LVTH125
3.3 V quad buffer; 3-state
17. Contents
1 General description. . . . . . . . . . . . . . . . . . . . . . 1
2 Features and benefits . . . . . . . . . . . . . . . . . . . . 1
3 Ordering information. . . . . . . . . . . . . . . . . . . . . 2
4 Functional diagram . . . . . . . . . . . . . . . . . . . . . . 2
5 Pinning information. . . . . . . . . . . . . . . . . . . . . . 3
5.1 Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
5.2 Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 3
6 Functional description . . . . . . . . . . . . . . . . . . . 4
6.1 Function table. . . . . . . . . . . . . . . . . . . . . . . . . . 4
7 Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . . 4
8 Recommended operating conditions. . . . . . . . 4
9 Static characteristics. . . . . . . . . . . . . . . . . . . . . 5
10 Dynamic characteristics . . . . . . . . . . . . . . . . . . 6
11 Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
12 Package outline . . . . . . . . . . . . . . . . . . . . . . . . . 9
13 Abbreviations. . . . . . . . . . . . . . . . . . . . . . . . . . 13
14 Revision history. . . . . . . . . . . . . . . . . . . . . . . . 13
15 Legal information. . . . . . . . . . . . . . . . . . . . . . . 14
15.1 Data sheet status . . . . . . . . . . . . . . . . . . . . . . 14
15.2 Definitions. . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
15.3 Disclaimers. . . . . . . . . . . . . . . . . . . . . . . . . . . 14
15.4 Trademarks. . . . . . . . . . . . . . . . . . . . . . . . . . . 15
16 Contact information. . . . . . . . . . . . . . . . . . . . . 15
17 Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
© Nexperia B.V. 2017. All rights reserved
For more information, please visit: http://www.nexperia.com
For sales office addresses, please send an email to: salesaddresses@nexperia.com
Date of release:
31 May 2016
