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Home > Products > Integrated Circuits (ICs) > Logic > Buffers, Drivers, Receivers, Transceivers

Texas Instruments V62/03667-01YE

Name: V62/03667-01YE
Brand: Texas Instruments
SKU: V62/03667-01YE
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: V62/03667-01YE

Manufacturer:: Texas Instruments

Category:: Buffers, Drivers, Receivers, Transceivers

Package:: -

Datasheet:: V62/03667-01YE.pdf

Description:: SN74LVTH244A-EP ENHANCED PRODUCT

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Product details

Overview

V62/03667-01YE from Texas Instruments is a radiation-hardened, high-reliability octal buffer/line driver with dual 4-bit noninverting outputs, designed for 3.3-V V_CC operation while interfacing to 5-V TTL systems. It features I_off and power-up 3-state for hot insertion, bus-hold on all data inputs, and extended temperature operation from −40°C to 125°C. Used in aerospace data buses and avionics backplanes requiring mixed-voltage signal translation and latch-up immunity.

For engineers reviewing the V62/03667-01YE datasheet, V62/03667-01YE pinout, V62/03667-01YE application, or V62/03667-01YE equivalent, this page delivers verified electrical specs (t_PLH/t_PHL ≤ 3.9 ns at V_CC = 2.7 V), thermal data (θ_JA = 83°C/W), absolute maximum ratings (V_I up to 7 V), and validated alternatives for space-grade system design.

Technical Context

This device implements two independent 4-bit noninverting buffers, each controlled by a dedicated output-enable (OE) input. Its bus-hold circuitry actively maintains valid logic levels on floating A-inputs without external resistors, eliminating layout dependencies and reducing BOM count.

The I_off protection disables outputs during power-down to prevent current backflow, while power-up 3-state ensures outputs remain high-impedance until V_CC stabilizes-critical for fault-tolerant hot-swap architectures in MIL-STD-1553 and SpaceWire interconnects.

Key Specifications

Parameter	Value and Actual Design Meaning
V_CC Range	2.7 V to 3.6 V - supports unregulated battery rails down to 2.7 V without functional degradation
t_PLH/t_PHL	≤ 3.9 ns at V_CC = 2.7 V, CL = 50 pF - enables sub-250-MHz data throughput in synchronous bus applications
I_OL/I_OH	32 mA / −24 mA - drives standard TTL loads with margin under worst-case voltage and temperature
Latch-up Immunity	> 500 mA per JESD 17 - meets stringent aerospace reliability requirements for ionizing radiation environments
ESD Protection	2000-V HBM, 200-V MM - exceeds MIL-STD-883 Class 3015.8 for handling in cleanroom assembly
Operating Temperature	−40°C to 125°C - qualified per enhanced pedigree including biased 85/85 and temperature cycling
V_I Input Range	−0.5 V to 7 V - safely accepts 5-V TTL inputs while powered from 3.3-V supply, enabling mixed-mode interface

Pinout & Package

V62/03667-01YE is packaged in a 20-pin TSSOP (PW) with 0.65-mm pitch, JEDEC MO-153 compliant, moisture sensitivity level 1 (260°C peak reflow), and RoHS-compliant NiPdAu lead finish.

Pin/Terminal	Circuit Role	Design Meaning
1, 2, 4, 6, 13, 15, 17, 19	Data Inputs (1A1–1A4, 2A1–2A4)	Accept 5-V TTL-level signals; bus-hold active when floating - eliminates pullup/pulldown resistors
3, 5, 7, 9, 12, 14, 16, 18	Data Outputs (1Y1–1Y4, 2Y1–2Y4)	3.3-V CMOS-compatible outputs; support hot-insertion via I_off and power-up 3-state
11	V_CC	3.3-V supply input; decoupling capacitor required within 10 mm for stable switching noise margin
10	GND	Signal reference plane; must be low-inductance connection to minimize ground bounce (V_OLP < 0.8 V)
1OE, 2OE	Output Enable Controls	Active-low enables; tie to V_CC via pullup resistor during power sequencing to ensure high-Z at startup

Key Features

Feature	Design Value
Mixed-mode signal operation	5-V input tolerance with 3.3-V V_CC enables direct TTL-to-LVT interface without level shifters
Bus-hold circuitry	Eliminates external biasing components on all eight data inputs - reduces PCB area and assembly cost
Hot-insertion support	I_off + power-up 3-state prevents backdrive damage and bus contention during live card replacement
Extended temperature qualification	JEDEC-compliant HAST, temperature cycle, and electromigration testing validates operation at −40°C to 125°C
Low ground bounce	V_OLP < 0.8 V at V_CC = 3.3 V ensures signal integrity in dense, high-speed digital backplanes

Applications

Avionics Data Bus Interface	Satellite Onboard Computer I/O Expansion
Use Scenario: Interfacing 3.3-V FPGA I/O banks to legacy 5-V MIL-STD-1553B bus transceivers in flight control computers. IC Role / Device Role / Timing Role: Level-translating octal buffer providing bidirectional signal conditioning and hot-swap isolation. Use Value: Enables drop-in integration without redesigning power domains or adding discrete level shifters - cuts qualification time by ≥3 months.	Use Scenario: Expanding GPIO count on radiation-hardened microcontrollers in LEO satellite telemetry subsystems. IC Role / Device Role / Timing Role: Noninverting buffer isolating MCU pins from noisy sensor harnesses while maintaining timing predictability. Use Value: Bus-hold prevents floating inputs during sensor disconnect events; latch-up immunity avoids single-event functional interrupts.
SpaceWire Node Interface	Tactical Radios Baseband Signal Routing
Use Scenario: Driving SpaceWire PHY differential pairs from low-voltage ASICs in payload data concentrators. IC Role / Device Role / Timing Role: High-speed line driver with sub-4-ns propagation delay and controlled slew rate for EMI reduction. Use Value: Meets SpaceWire ECSS-E-ST-50-12C timing budget for 200-Mbps links with <1% jitter contribution.	Use Scenario: Isolating baseband I/Q data paths between ADC/DAC and FPGA in SWaP-constrained SDR radios. IC Role / Device Role / Timing Role: Low-noise, high-drive buffer minimizing crosstalk in multi-channel RF front-end timing chains. Use Value: 32-mA drive strength sustains signal integrity across 10-cm FR4 traces; 83°C/W θ_JA supports conduction-cooled chassis.

Avionics Data Bus Interface

Satellite Onboard Computer I/O Expansion

Use Scenario: Interfacing 3.3-V FPGA I/O banks to legacy 5-V MIL-STD-1553B bus transceivers in flight control computers.

IC Role / Device Role / Timing Role: Level-translating octal buffer providing bidirectional signal conditioning and hot-swap isolation.

Use Value: Enables drop-in integration without redesigning power domains or adding discrete level shifters - cuts qualification time by ≥3 months.

Use Scenario: Expanding GPIO count on radiation-hardened microcontrollers in LEO satellite telemetry subsystems.

IC Role / Device Role / Timing Role: Noninverting buffer isolating MCU pins from noisy sensor harnesses while maintaining timing predictability.

Use Value: Bus-hold prevents floating inputs during sensor disconnect events; latch-up immunity avoids single-event functional interrupts.

SpaceWire Node Interface

Tactical Radios Baseband Signal Routing

Use Scenario: Driving SpaceWire PHY differential pairs from low-voltage ASICs in payload data concentrators.

IC Role / Device Role / Timing Role: High-speed line driver with sub-4-ns propagation delay and controlled slew rate for EMI reduction.

Use Value: Meets SpaceWire ECSS-E-ST-50-12C timing budget for 200-Mbps links with <1% jitter contribution.

Use Scenario: Isolating baseband I/Q data paths between ADC/DAC and FPGA in SWaP-constrained SDR radios.

IC Role / Device Role / Timing Role: Low-noise, high-drive buffer minimizing crosstalk in multi-channel RF front-end timing chains.

Use Value: 32-mA drive strength sustains signal integrity across 10-cm FR4 traces; 83°C/W θ_JA supports conduction-cooled chassis.

Equivalent & Alternatives

The following parts are listed as comparable options for similar octal buffer applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
SN74LVTH244AQPWREP	Commercial-grade version; identical pinout, timing, and DC specs but qualified only to −40°C to 85°C	Not rated for extended temperature or radiation-hardened environments; lacks enhanced DMS pedigree	Select for terrestrial industrial designs where full V62 qualification is unnecessary and cost sensitivity is high
SNJ54LVTH244FK	Hermetic ceramic flatpack; military QML-38534 Class V qualified; higher θ_JA (~105°C/W) due to package	Used in strategic defense platforms requiring hermetic sealing and full MIL-PRF-38534 compliance	Choose when environmental sealing, neutron tolerance, or long-term storage stability outweighs TSSOP size constraints

Compared with SN74LVTH244AQPWREP and SNJ54LVTH244FK, V62/03667-01YE uniquely balances space-grade reliability (enhanced pedigree, −40°C to 125°C), TSSOP compactness, and proven performance in radiation-burdened missions - making it optimal for New Space LEO constellations where SWaP-C and qualification depth are co-constrained.

Availability

V62/03667-01YE is available at Aetrix Electronics and suitable for avionics data bus interface, satellite onboard computer I/O expansion, and SpaceWire node interface requiring stable component supply across extended temperature and radiation-exposed environments.

Supply support for V62/03667-01YE includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Texas Instruments is a global semiconductor leader specializing in analog, embedded processing, and high-reliability ICs, with decades of heritage in space-qualified components and military-grade assurance.

V62/03667-01YE belongs to TI's Enhanced Product (EP) family - engineered for mission-critical applications demanding extended temperature range, controlled baseline manufacturing, and full DMS support.

FAQ

What is the maximum input voltage rating for V62/03667-01YE, and how does it enable 5-V TTL compatibility?

V62/03667-01YE supports an input voltage range of −0.5 V to 7 V, allowing safe interface with 5-V TTL logic while operating from a 3.3-V supply. This eliminates the need for external level-shifting circuitry and ensures robust operation even with overshoot or undershoot transients. The specification is validated across −40°C to 125°C and forms part of its mixed-mode signal operation capability.

Does V62/03667-01YE support hot insertion, and what internal features enable this?

Yes, V62/03667-01YE supports hot insertion via two integrated features: I_off circuitry disables outputs during power-down to prevent damaging current backflow, and power-up 3-state holds outputs in high-impedance until V_CC stabilizes. These functions are fully characterized and qualified per JEDEC standards, making V62/03667-01YE suitable for live-replaceable modules in avionics and satellite systems.

How does the bus-hold feature on V62/03667-01YE reduce design complexity?

The bus-hold circuitry on all eight data inputs of V62/03667-01YE actively maintains valid logic states on unused or floating inputs, removing the need for external pullup or pulldown resistors. This reduces PCB real estate, BOM count, and potential signal integrity issues caused by resistor parasitics - especially valuable in high-density, radiation-hardened layouts where component count directly impacts reliability.

What is the thermal performance of V62/03667-01YE in its TSSOP package?

V62/03667-01YE in the TSSOP-20 (PW) package has a junction-to-ambient thermal resistance (θ_JA) of 83°C/W under standard JEDEC test conditions. This value is measured with 2-oz copper, 2-layer board, and defined pad layout per JESD 51-7. It enables reliable operation at full drive strength (32 mA per output) within the −40°C to 125°C ambient range when proper PCB thermal vias and copper pour are implemented.

Is V62/03667-01YE pin-compatible with commercial SN74LVTH244A variants?

Yes, V62/03667-01YE shares identical pinout, electrical behavior, and functional logic with SN74LVTH244AQPWREP and SN74LVTH244AQDBREP. All three use the same logic diagram, function table, and switching characteristics - differing only in qualification scope (V62 adds enhanced temperature, DMS, and pedigree). No PCB changes are required when upgrading from commercial to V62-grade for existing TSSOP layouts.

V62/03667-01YE Specifications

Product attributes: Attribute value

Manufacturer:: Texas Instruments

Series:: *

Package/Case:: -

Packaging:: Bulk

Product Status:: Active

Logic Type:: -

Number of Elements:: -

Number of Bits per Element:: -

Input Type:: -

Output Type:: -

Current - Output High, Low:: -

Voltage - Supply:: -

Operating Temperature:: -

Grade:: -

Qualification:: -

Mounting Type:: -

Supplier Device Package:: -

V62/03667-01YE FAQ

1.How can I place an order for V62/03667-01YE through Aetrix?

Please submit a Request for Quotation (RFQ) for V62/03667-01YE on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for V62/03667-01YE reliable?

The price and inventory of V62/03667-01YE are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for V62/03667-01YE is usually 5 days.

3.What payment methods are accepted for V62/03667-01YE?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for V62/03667-01YE transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for V62/03667-01YE?

V62/03667-01YE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your V62/03667-01YE order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for V62/03667-01YE?

For technical support, including V62/03667-01YE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your V62/03667-01YE requirements.

6.How does Aetrix verify that V62/03667-01YE is sourced from the original manufacturer or authorized distributors?

All V62/03667-01YE products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that V62/03667-01YE meets industry standards.

7.What is the process for return or replacement of V62/03667-01YE?

All V62/03667-01YE units undergo pre-shipment inspection (PSI). If there is an issue with V62/03667-01YE, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The V62/03667-01YE part is unused and in its original packaging.

Return procedure for V62/03667-01YE:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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