1. General description
The 74ABT125 high-performance BiCMOS device combines low static and dynamic
power dissipation with high speed and high output drive.
The 74ABT125 device is a quad buffer that is ideal for driving bus line s. The device
features four output enable inputs (1OE, 2OE, 3OE, 4OE), each controlling one of the
3-state outputs.
2. Features and benefits
Quad bus interface
3-state buffers
Live insertion an d ex tra c t ion per m itte d
Output capability: HIGH 32 mA; LOW +64 mA
Power-up 3-state
Inputs are disabled du rin g 3- state mod e
Latch-up protection exceeds 500 mA per JESD78 class II level A
ESD protection:
HBM JESD22-A114F exceeds 2000 V
MM JESD22-A115 -A ex ce ed s 20 0 V
Multiple package options
Specified from 40 C to +85 C
3. Ordering information
74ABT125
Quad buffer; 3-state
Rev. 7 — 25 November 2015 Product data sheet
Table 1. Ordering information
Type number Package
Temperature range Name Description Version
74ABT125D 40 C to +85 C SO14 plastic small outline package; 14 leads;
body width 3.9 mm SOT108-1
74ABT125DB 40 C to +85 C SSOP14 plastic shrink small outline package; 14 leads;
body width 5.3 mm SOT337-1
74ABT125PW 40 C to +85 C TSSOP14 plastic thin shrink small outline package; 14 leads;
body width 4.4 mm SOT402-1
74ABT125BQ 40 C to +85 C DHVQFN14 plastic dual in-line compatible thermal enhanced very
thin quad flat package; no leads; 14 terminals;
body 2.5 30.85 mm
SOT762-1
© Nexperia B.V. 2017. All rights reserved
74ABT125 All information provided in this document is subject to legal disclaimers.
Product data sheet Rev. 7 — 25 November 2015 2 of 15
Nexperia 74ABT125
Quad buffer; 3-state
4. Functional diagram
5. Pinning information
5.1 Pinning
Fig 1. Logic symbol Fig 2. IEC logic symbol Fig 3. Logic diagram (one buffer)
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(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 and (T)SSOP14 Fig 5. Pin configuration DHVQFN14
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© Nexperia B.V. 2017. All rights reserved
74ABT125 All information provided in this document is subject to legal disclaimers.
Product data sheet Rev. 7 — 25 November 2015 3 of 15
Nexperia 74ABT125
Quad buffer; 3-state
5.2 Pin description
6. Functional description
[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 voltage ratings may be exceeded if the input and output 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.
[3] SO14 packages: above 70 C Ptot derate linearly with 8 mW/K
SSOP14 and TSSOP14 packages: above 60 C Ptot derate linearly with 5.5 mW/K
DHVQFN14 packages: above 60 C Ptot derate linearly with 4.5 mW/K
Table 2. Pin description
Symbol Pin Description
1OE to 4OE 1, 4, 10, 13 output enable input (active LOW)
1A to 4A 2, 5, 9, 12 data input
1Y to 4Y 3, 6, 8, 11 data output
GND 7 ground (0 V)
VCC 14 supply voltage
Table 3. F unction selection[1]
Inputs Output
nOE nA nY
LLL
LHH
HXZ
Table 4. L imiting values[1]
In accordance with the Absolute Maximum Rating System (IEC 60134).
Symbol Parameter Conditions Min Max Unit
VCC supply voltage 0.5 +7.0 V
VIinput voltage 1.2 +7.0 V
VOoutput voltage output in OFF-state or HIGH-state 0.5 +5.5 V
IIK input clamping current VI < 0 V 18 - mA
IOK output clamping current VO < 0 V 50 - mA
IOoutput current output in LOW-state - 128 mA
Tjjunction temperature [2] - 150 C
Tstg storage temperature 65 +150 C
Ptot total power dissipation Tamb = 40 C to +85 C[3] - 500 mW
© Nexperia B.V. 2017. All rights reserved
74ABT125 All information provided in this document is subject to legal disclaimers.
Product data sheet Rev. 7 — 25 November 2015 4 of 15
Nexperia 74ABT125
Quad buffer; 3-state
8. Recommended operating conditions
9. Static characteristics
Table 5. Ope rating conditions
Vo ltages are referenced to GND (ground = 0 V).
Symbol Parameter Conditions Min Max Unit
VCC supply voltage 4.5 5.5 V
VIinput voltage 0 VCC 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 - 64 mA
t/V input transition rise and fall rate - 10 ns/V
Tamb ambient temperature in free air 40 +85 C
Table 6. Static characteristics
Symbol Parameter Conditions 25 C40 C to +85 CUnit
Min Typ Max Min Max
VIK input clamping voltage VCC = 4.5 V; IIK =18 mA - 0.9 1.2 - 1.2 V
VOH HIGH-level output
voltage VI = VIL or VIH
VCC = 4.5 V; IOH =3 mA 2.5 2.9 - 2.5 - V
VCC = 5.0 V; IOH =3 mA 3.0 3.4 - 3.0 - V
VCC = 4.5 V; IOH =32 mA 2.0 2.4 - 2.0 - V
VOL LOW-level output
voltage VCC = 4.5 V; IOL =64mA;
VI=V
IL or VIH
- 0.35 0.55 - 0.55 V
IIinput leakage current VCC = 5.5 V; VI=GNDor 5.5V - 0.01 1.0 - 1.0 A
IOFF power-off leakage
current VCC = 0.0 V; VI or VO4.5 V - 5.0 100 - 100 A
IO(pu/pd) power-up/power-down
output current VCC = 2.1 V; VO=0.5V;
VI=GNDor V
CC; OE = don’t care [1] -5.0 50 - 50 A
IOZ OFF-state output
current VCC = 5.5 V; VI = VIL or VIH
VO = 2.7 V - 1.0 50 - 50 A
VO = 0.5 V - 1.0 50 - 50 A
ICEX output high leakage
current HIGH-state; VO=5.5V;
VCC =5.5 V; V
I=GNDor V
CC
-5.050 - 50A
IOoutput current VCC = 5.5 V; VO = 2.5 V [2] 50 100 180 50 180 mA
ICC supply current VCC = 5.5 V; VI = GND or VCC
outputs HIGH-st ate - 65 250 - 250 A
outputs LOW-state - 12 15 - 30 mA
outputs disabled - 65 250 - 50 A
© Nexperia B.V. 2017. All rights reserved
74ABT125 All information provided in this document is subject to legal disclaimers.
Product data sheet Rev. 7 — 25 November 2015 5 of 15
Nexperia 74ABT125
Quad buffer; 3-state
[1] This parameter is valid for any VCC between 0 V and 2.1 V, with a transition time of up to 10 ms. From VCC = 2.1 V to VCC = 5 V 10 %,
a transition time of up to 100 s is permitted.
[2] Not more than one output should be tested at a time, and the duration of the test should not exceed one second.
[3] This is the increase in supply current for each input at 3.4 V.
10. Dynamic characteristics
ICC additional supply
current per control pin; VCC = 5.5 V;
one control in put at 3.4 V, other
inputs at VCC or GND
[3]
outputs enabled - 0.5 1.5 - 1.5 mA
outputs disabled - 50 250 - 250 mA
one enable input at 3.4 V and other
inputs at VCC or GND; outputs
disabled
- 0.5 1.5 - 1.5 mA
CIinput capacit ance VI = 0 V or VCC -4- - -pF
COoutput capacitance outputs disabled; VO=0V orV
CC -7- - -pF
Table 6. Static characteristics …continued
Symbol Parameter Conditions 25 C40 C to +85 CUnit
Min Typ Max Min Max
Table 7. Dynamic characteristics
GND = 0 V. Test circuit is shown in Figure 8.
Symbol Parameter Conditions 25 C; VCC = 5.0 V 40 C to +85 C;
VCC = 5.0 V 0.5 V Unit
Min Typ Max Min Max
tPLH LOW to HIGH
propagation delay nA to nY, see Figure 6 1.0 2.8 4.1 1.0 4.6 ns
tPHL HIGH to LOW
propagation delay nA to nY; see Figure 6 1.0 3.1 4.6 1.0 4.9 ns
tPZH OFF-state to HIGH
propagation delay nOE to nY; see Figure 7 1.0 3.2 5.0 1.0 5.9 ns
tPZL OFF-state to LOW
propagation delay nOE to nY; see Figure 7 1.0 4.2 6.2 1.0 6.8 ns
tPHZ HIGH to OFF-state
propagation delay nOE to nY; see Figure 7 1.0 4.1 5.4 1.0 6.2 ns
tPLZ LOW to OFF-state
propagation delay nOE to nY; see Figure 7 1.5 2.8 5.0 1.5 5.5 ns
© Nexperia B.V. 2017. All rights reserved
74ABT125 All information provided in this document is subject to legal disclaimers.
Product data sheet Rev. 7 — 25 November 2015 6 of 15
Nexperia 74ABT125
Quad buffer; 3-state
11. Waveforms
VM=1.5V
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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Fig 7. Enable an d disable times
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© Nexperia B.V. 2017. All rights reserved
74ABT125 All information provided in this document is subject to legal disclaimers.
Product data sheet Rev. 7 — 25 November 2015 7 of 15
Nexperia 74ABT125
Quad buffer; 3-state
a. Input pulse definition b. Test circuit
Test data is given in Table 8.
Test circuit definitions:
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, tfCLRLtPHL, tPLH tPZH, tPHZ tPZL, tPLZ
3.0 V 1 MHz 500 ns 2.5 ns 50 pF 500 open open 7.0 V
© Nexperia B.V. 2017. All rights reserved
74ABT125 All information provided in this document is subject to legal disclaimers.
Product data sheet Rev. 7 — 25 November 2015 8 of 15
Nexperia 74ABT125
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
74ABT125 All information provided in this document is subject to legal disclaimers.
Product data sheet Rev. 7 — 25 November 2015 9 of 15
Nexperia 74ABT125
Quad buffer; 3-state
Fig 10. Package outline SOT337-1 (SSOP14)
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© Nexperia B.V. 2017. All rights reserved
74ABT125 All information provided in this document is subject to legal disclaimers.
Product data sheet Rev. 7 — 25 November 2015 10 of 15
Nexperia 74ABT125
Quad buffer; 3-state
Fig 11. Package outline SOT402-1 (TSSOP14)
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© Nexperia B.V. 2017. All rights reserved
74ABT125 All information provided in this document is subject to legal disclaimers.
Product data sheet Rev. 7 — 25 November 2015 11 of 15
Nexperia 74ABT125
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© Nexperia B.V. 2017. All rights reserved
74ABT125 All information provided in this document is subject to legal disclaimers.
Product data sheet Rev. 7 — 25 November 2015 12 of 15
Nexperia 74ABT125
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13. Abbreviations
14. Revision history
Table 9. Ab breviations
Acronym Description
BiCMOS BipolarCMOS
DUT Device Under Test
ESD ElectroStatic Discharge
HBM Human Body Model
MM Machine Model
Table 10. Revision history
Document ID Release date Data sheet status Change notice Supersedes
74ABT125 v.7 2015112 5 Product data sheet - 74ABT125 v.6
Modifications: Type number 74ABT125N (SOT27-1) removed.
74ABT125 v.6 20111103 Product data sheet - 74ABT125 v.5
Modifications: Legal pages updated
74ABT125 v.5 2010112 4 Product data sheet - 74ABT125 v.4
74ABT125 v.4 20100427 Product data sheet - 74ABT125 v.3
74ABT125 v.3 20080429 Product data sheet - 74ABT125 v.2
74ABT125 v.2 19980116 Product specification - 74ABT125 v.1
74ABT125 v.1 19960305 - - -
© Nexperia B.V. 2017. All rights reserved
74ABT125 All information provided in this document is subject to legal disclaimers.
Product data sheet Rev. 7 — 25 November 2015 13 of 15
Nexperia 74ABT125
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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 status of de vice(s) d escribed in th is docume nt may have cha nged since this docume nt was publish ed and ma y diffe r in case of multiple devices. The latest product status
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 informatio n see the relevant full data
sheet, which is available on request via the local Nexperia sales
office. In case of any inconsisten cy or conf lict with the short data sheet, the
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 associa ted 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 contain s 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
74ABT125 All information provided in this document is subject to legal disclaimers.
Product data sheet Rev. 7 — 25 November 2015 14 of 15
Nexperia 74ABT125
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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 qualif 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 automotive 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 specifications, 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 74ABT125
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17. Contents
1 General description. . . . . . . . . . . . . . . . . . . . . . 1
2 Features and benefits . . . . . . . . . . . . . . . . . . . . 1
3 Ordering information. . . . . . . . . . . . . . . . . . . . . 1
4 Functional diagram . . . . . . . . . . . . . . . . . . . . . . 2
5 Pinning information. . . . . . . . . . . . . . . . . . . . . . 2
5.1 Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
5.2 Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 3
6 Functional description . . . . . . . . . . . . . . . . . . . 3
7 Limiting values . . . . . . . . . . . . . . . . . . . . . . . . . . 3
8 Recommended operating conditions. . . . . . . . 4
9 Static characteristics. . . . . . . . . . . . . . . . . . . . . 4
10 Dynamic characteristics . . . . . . . . . . . . . . . . . . 5
11 Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
12 Package outline . . . . . . . . . . . . . . . . . . . . . . . . . 8
13 Abbreviations. . . . . . . . . . . . . . . . . . . . . . . . . . 12
14 Revision history. . . . . . . . . . . . . . . . . . . . . . . . 12
15 Legal information. . . . . . . . . . . . . . . . . . . . . . . 13
15.1 Data sheet status . . . . . . . . . . . . . . . . . . . . . . 13
15.2 Definitions. . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
15.3 Disclaimers. . . . . . . . . . . . . . . . . . . . . . . . . . . 13
15.4 Trademarks. . . . . . . . . . . . . . . . . . . . . . . . . . . 14
16 Contact information. . . . . . . . . . . . . . . . . . . . . 14
17 Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
© 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:
25 November 2015