74LVTH182502APMG4 Texas Instruments Integrated Circuit (Quad Flat Packages) In Stock

74LVTH182502APMG4 is an 18-bit dual bus transceiver with IEEE 1149.1 boundary scan test support by Texas Instruments. Key specs: 3.3 V LVT family, 64-pin TQFP, 50 pF load capacitance, bidirectional. From stock with worldwide shipping.

ACTIVEIntegrated CircuitVerified Jun 2026
Package / Visual Reference
74LVTH182502APMG4Quad Flat Packages
Quick Facts
Manufacturer
Texas Instruments
Package
Quad Flat Packages
Pin Count
64
Lifecycle
ACTIVE
Category
Integrated Circuit
Temp Range
-40.0°C to 85.0°C
RoHS
Compliant
Lead Time
3–7 business days
Shipping
DHL Express · Worldwide

What are the key features of 74LVTH182502APMG4?

  • 18-bit bidirectional bus transceiver with independent direction control for flexible data bus switching
  • IEEE 1149.1-1990 boundary scan JTAG support enabling in-system testability of high-density PCBs
  • 3.3 V LVT family with 50 pF load capacitance for high-speed bus driving in dense logic designs

What is 74LVTH182502APMG4 used for?

The 74LVTH182502APMG4 is ideal for high-density data bus interface designs in servers, workstations, and embedded computing modules requiring 18-bit bidirectional data transfer. Its integrated IEEE 1149.1 JTAG boundary scan capability simplifies board-level testing during production and field diagnostics without requiring physical probe access. The LVT 3.3 V family ensures compatibility with modern low-voltage processor and FPGA I/O standards in multi-board system architectures.

What are the specifications of 74LVTH182502APMG4?

Pbfree CodeYes
YTEOL15
Additional FeatureSUPPORTS IEEE STANDARD 1149.1-1990 BOUNDARY SCAN
Control TypeINDEPENDENT CONTROL
Count DirectionBIDIRECTIONAL
FamilyLVT
JESD-30 CodeS-PQFP-G64
JESD-609 Codee4
Load Capacitance (CL)50pF
Logic IC TypeBOUNDARY SCAN REG BUS TRANSCEIVER
Max I(ol)0.032A
Number of Bits9
Number of Functions18
Number of Ports2
Output Characteristics3-STATE WITH SERIES RESISTOR
Output PolarityTRUE
Package Body MaterialPLASTIC/EPOXY
Package Equivalence CodeQFP64,.47SQ,20
Package ShapeSQUARE
Package StyleFLATPACK, LOW PROFILE, FINE PITCH
Packing MethodTRAY
Peak Reflow Temperature (Cel)260
Power Supply Current-Max (ICC)24mA
Prop. Delay@Nom-Sup5.7ns
Propagation Delay (tpd)7.7ns
Qualification StatusNot Qualified
Supply Voltage-Max (Vsup)3.6V
Supply Voltage-Min (Vsup)2.7V
Supply Voltage-Nom (Vsup)3.3V
Surface MountYES
TechnologyBICMOS
Temperature GradeINDUSTRIAL
Terminal FinishNickel/Palladium/Gold (Ni/Pd/Au)
Terminal FormGULL WING
Terminal Pitch0.5mm
Terminal PositionQUAD
Time@Peak Reflow Temperature-Max (s)30
Trigger TypePOSITIVE EDGE
PackageQuad Flat Packages

Compliance & Regulatory

RoHS StatusCompliant
Lead-FreeYes (Pb-Free)
Moisture Sensitivity LevelMSL 3
ECCNEAR99
HTS Code8542.39.00.90
Country of OriginTaiwan

Where can I find the 74LVTH182502APMG4 datasheet?

74LVTH182502APMG4 Datasheet Download

Official datasheet from Texas Instruments

What are equivalent replacements for 74LVTH182502APMG4?

No known alternates. Submit an RFQ and our team can suggest alternatives.

Frequently Asked Questions

How does 74LVTH182502APMG4 support board-level testing and what standard does it comply with?

74LVTH182502APMG4 supports IEEE 1149.1-1990 JTAG boundary scan, allowing engineers to test interconnects across 18-bit bus lines without physical probing. This standard enables structural testing of populated PCBs in high-density servers or embedded systems, reducing test fixture costs and improving fault coverage for production test programs.

At what supply voltage does the 74LVTH182502APMG4 operate and which logic families can it interface with?

74LVTH182502APMG4 operates from a 3.3 V supply as part of the LVT logic family, with inputs tolerant of 5 V signals for backward compatibility with TTL and older CMOS logic devices. This mixed-voltage interfacing capability makes it suitable for bridging legacy 5 V bus segments and modern 3.3 V processor I/O in mixed-supply backplane designs.

What is the pin count and package type for 74LVTH182502APMG4 and how does that affect board routing?

74LVTH182502APMG4 is housed in a 64-pin TQFP (S-PQFP-G64) package with 0.5 mm pin pitch, suitable for standard SMT PCB assembly. Routing 18 data lines plus control and scan chains in this package requires careful layer planning, typically 4 to 6 PCB layers for controlled impedance bus lines at signal speeds above 100 MHz.

When would a designer choose 74LVTH182502APMG4 over a simpler octal bus transceiver like 74LVT245?

A designer would choose 74LVTH182502APMG4 over an 8-bit 74LVT245 when 18-bit wide data buses are required, halving the IC count from at least 3 octal devices down to 1. The added boundary scan capability also eliminates the need for separate JTAG logic, saving 2 to 4 additional ICs in testability-conscious designs for telecom line cards or FPGA daughter boards.

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About Texas Instruments

Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.

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Lead Time3-7 business days
MOQFrom 1 piece
ShippingDHL / FedEx / UPS
OriginChina (Authorized)

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Thomas Mueller
Hardware Lead, SensorTech GmbH, Germany