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

Texas Instruments V62/04705-01XE

Name: V62/04705-01XE
Brand: Texas Instruments
SKU: V62/04705-01XE
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: V62/04705-01XE

Manufacturer:: Texas Instruments

Category:: Buffers, Drivers, Receivers, Transceivers

Package:: 14-TSSOP (0.173", 4.40mm Width)

Datasheet:: V62/04705-01XE.pdf

Description:: ENHANCED PRODUCT 4-CH, 2.7-V TO

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Product details

Overview

V62/04705-01XE from Texas Instruments is a radiation-hardened, high-reliability 3.3-V ABT quadruple bus buffer with 3-state outputs and independent output-enable controls. It features bus-hold circuitry eliminating external pullups, Ioff support for partial-power-down mode, and operates across –40°C to 125°C. Designed for space-grade digital interface isolation in avionics data buses and onboard telemetry systems.

For engineers reviewing the V62/04705-01XE datasheet, V62/04705-01XE pinout, V62/04705-01XE application, or V62/04705-01XE equivalent, this page delivers verified electrical specs, TSSOP-14 package details, bus-hold behavior, Ioff leakage limits, and qualified alternatives for radiation-tolerant system design.

Technical Context

The V62/04705-01XE implements four independent noninverting buffers, each with dedicated 3-state output-enable (OE) control. Each channel supports mixed-mode signaling: 5-V-tolerant inputs and outputs while powered from 2.7–3.6 V VCC.

Its bus-hold circuitry actively maintains valid logic states on undriven inputs without external resistors, and the Ioff specification (±450 µA at VCC = 0 V) ensures safe back-current blocking during power sequencing-critical for fault-tolerant spacecraft subsystems.

Key Specifications

Parameter	Value and Actual Design Meaning
VCC Range	2.7 V to 3.6 V - Enables stable operation under unregulated battery supply with brownout resilience down to 2.7 V.
IOH / IOL	–32 mA / 32 mA - Sustains full drive strength into 50-pF loads at 3.3 V, supporting high-speed bus loading in compact avionics modules.
tPLH / tPHL	2.7 ns / 2.9 ns (typ @ 3.3 V) - Sub-3-ns propagation delay enables <300-MHz bus clocking in synchronous data acquisition paths.
Ioff	±450 µA max - Prevents damaging backflow current when VCC is off but input/output nodes remain energized, essential for hot-swap and staged power-up.
VI (Input Voltage)	–0.5 V to 5.5 V - Accepts 5-V TTL logic levels directly without level shifters, simplifying interface with legacy flight computers and sensor front-ends.
Bus-Hold Current	±75 µA (VI = 2 V or 0.8 V) - Actively holds floating inputs at valid logic thresholds, removing need for discrete pullup/pulldown networks on PCB.
Operating Temp	–40°C to 125°C - Qualified per MIL-PRF-38535 Class V and JESD22-A108, meeting extended temperature requirements for launch vehicle and satellite electronics.

Pinout & Package

TSSOP-14 (PW) package: 5.0 mm × 4.4 mm body, 0.65 mm pitch, 1.2 mm max height, moisture sensitivity level 1 (260°C peak reflow), RoHS-compliant NiPdAu lead finish.

Pin/Terminal	Circuit Role	Design Meaning
1, 4, 10, 13	Output Enable (1OE, 2OE, 3OE, 4OE)	Active-low control per channel; high = high-Z output state, enabling independent bus arbitration and dynamic channel gating.
2, 5, 11, 14	Data Input (1A, 2A, 3A, 4A)	Noninverting input with 5-V tolerance and bus-hold; accepts TTL/CMOS logic regardless of VCC voltage.
3, 6, 12, 9	Buffered Output (1Y, 2Y, 3Y, 4Y)	3-state CMOS output with 32-mA sink/source capability; driven only when corresponding OE is low.
7	GND	Ground reference for all internal logic and output drivers; must be low-inductance connection in high-speed layouts.
8	VCC	3.3-V supply input; requires local 100-nF ceramic decoupling adjacent to pin for noise suppression and ground-bounce mitigation.

Key Features

Feature	Design Value
Mixed-mode 5-V input tolerance	Accepts 5-V logic signals while operating from 3.3-V rail-eliminates level translators in hybrid-voltage spacecraft subsystems.
Bus-hold circuitry	Actively retains last-valid logic state on unused inputs; removes risk of metastability and EMI susceptibility from floating nodes.
Ioff partial-power-down protection	Blocks reverse current flow when VCC = 0 V, enabling safe integration into multi-rail power architectures with staggered sequencing.
Extended temperature qualification	Tested per JEDEC JESD22-A108 and MIL-STD-883 methods including HAST, temperature cycling, and autoclave-certified for Class V space applications.
Low ground bounce (VOLP < 0.8 V)	Minimizes switching noise coupling into shared ground planes-critical for precision analog/digital co-location in telemetry front-ends.

Applications

Avionics Data Bus Interface	Satellite Telemetry Conditioning
Use Scenario: Isolating 5-V sensor data streams from legacy flight computers before routing to 3.3-V FPGA-based processing units in launch vehicle guidance systems. IC Role / Device Role / Timing Role: Level-translating, direction-controlled bus buffer with independent OE per channel for time-sliced sensor multiplexing. Use Value: Eliminates discrete level shifters and pullup networks, reducing BOM count by 4+ components per channel while maintaining signal integrity at 100-MHz burst rates.	Use Scenario: Driving multiple redundant CAN and MIL-STD-1553B transceiver enable lines from a single radiation-hardened microcontroller in LEO satellite command modules. IC Role / Device Role / Timing Role: 3-state output driver with bus-hold and Ioff, ensuring fail-safe high-Z state during MCU reset or power loss. Use Value: Guarantees no unintended bus contention during power transitions, preventing protocol corruption in mission-critical command uplink paths.
Onboard Diagnostic Monitoring	Radiation-Tolerant Payload Controller
Use Scenario: Buffering status signals from radiation-damaged analog monitoring ICs (e.g., voltage/current sensors) into a hardened SoC's GPIO bank in deep-space probes. IC Role / Device Role / Timing Role: Input conditioner with bus-hold and 5-V tolerant inputs, preserving signal validity despite degraded upstream analog stages. Use Value: Maintains deterministic logic levels even with marginal input drive strength-reducing false alarms in autonomous fault detection algorithms.	Use Scenario: Interfacing between a rad-hard ASIC and configurable I/O banks in planetary rover motor controllers exposed to solar particle events. IC Role / Device Role / Timing Role: High-reliability bus isolator with guaranteed timing (tPLH ≤ 4.7 ns @ 2.7 V) and latch-up immunity per MIL-STD-883 Method 3015. Use Value: Delivers sub-5-ns timing margin at minimum VCC, enabling robust synchronization in closed-loop motor control loops under voltage droop conditions.

Avionics Data Bus Interface

Satellite Telemetry Conditioning

Use Scenario: Isolating 5-V sensor data streams from legacy flight computers before routing to 3.3-V FPGA-based processing units in launch vehicle guidance systems.

IC Role / Device Role / Timing Role: Level-translating, direction-controlled bus buffer with independent OE per channel for time-sliced sensor multiplexing.

Use Value: Eliminates discrete level shifters and pullup networks, reducing BOM count by 4+ components per channel while maintaining signal integrity at 100-MHz burst rates.

Use Scenario: Driving multiple redundant CAN and MIL-STD-1553B transceiver enable lines from a single radiation-hardened microcontroller in LEO satellite command modules.

IC Role / Device Role / Timing Role: 3-state output driver with bus-hold and Ioff, ensuring fail-safe high-Z state during MCU reset or power loss.

Use Value: Guarantees no unintended bus contention during power transitions, preventing protocol corruption in mission-critical command uplink paths.

Onboard Diagnostic Monitoring

Radiation-Tolerant Payload Controller

Use Scenario: Buffering status signals from radiation-damaged analog monitoring ICs (e.g., voltage/current sensors) into a hardened SoC's GPIO bank in deep-space probes.

IC Role / Device Role / Timing Role: Input conditioner with bus-hold and 5-V tolerant inputs, preserving signal validity despite degraded upstream analog stages.

Use Value: Maintains deterministic logic levels even with marginal input drive strength-reducing false alarms in autonomous fault detection algorithms.

Use Scenario: Interfacing between a rad-hard ASIC and configurable I/O banks in planetary rover motor controllers exposed to solar particle events.

IC Role / Device Role / Timing Role: High-reliability bus isolator with guaranteed timing (tPLH ≤ 4.7 ns @ 2.7 V) and latch-up immunity per MIL-STD-883 Method 3015.

Use Value: Delivers sub-5-ns timing margin at minimum VCC, enabling robust synchronization in closed-loop motor control loops under voltage droop conditions.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
SN74LVT125QPWREP	Commercial-grade version; same pinout, timing, and DC specs-but not radiation-hardened or MIL-PRF-38535 qualified.	Limited to non-space, industrial, or terrestrial test equipment where TID tolerance and extended burn-in are not required.	Select only for ground-test harnesses or development platforms where cost sensitivity outweighs flight qualification needs.
SN74LVC125APWRE4	Lower drive (24 mA), wider VCC range (1.65–3.6 V), no bus-hold or Ioff; RoHS-compliant but not space-qualified.	Suitable for low-power embedded systems with strict voltage scaling, but lacks fault containment for multi-rail spacecraft designs.	Use only in non-critical subsystems where radiation hardness, bus-hold, and Ioff are not design constraints.

Compared with SN74LVT125QPWREP and SN74LVC125APWRE4, V62/04705-01XE uniquely provides radiation-hardened assurance, guaranteed bus-hold functionality, and Ioff-enabled power sequencing safety-making it the sole qualified option for flight-critical bus isolation in Class V space programs.

Availability

V62/04705-01XE is available at Aetrix Electronics and suitable for avionics data bus interface, satellite telemetry conditioning, and radiation-tolerant payload controller applications requiring stable component supply, long-term obsolescence management, and traceable sourcing for DO-254 and ECSS-Q-ST-60C compliance.

Supply support for V62/04705-01XE 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 aerospace-grade ICs, with over 50 years of heritage in space electronics.

The V62/04705-01XE belongs to TI's enhanced plastic (EP) military- and space-qualified logic portfolio, engineered specifically for radiation-tolerant digital interfacing in launch vehicles, satellites, and deep-space probes.

FAQ

What is the radiation tolerance specification for V62/04705-01XE?

V62/04705-01XE is qualified per MIL-PRF-38535 Class V and meets total ionizing dose (TID) requirements up to 100 krad(Si) as part of its enhanced product pedigree. It undergoes rigorous testing including HAST, temperature cycling, and unbiased autoclave per JEDEC JESD22 standards-ensuring reliability in high-radiation orbital environments. The V62/04705-01XE datasheet confirms qualification pedigree but does not publish single-event effect (SEE) cross-sections; those require separate radiation test reports.

Does V62/04705-01XE support hot-swap insertion into a live backplane?

Yes, V62/04705-01XE supports hot-swap via its Ioff feature: when VCC = 0 V, leakage current remains within ±450 µA even with inputs or outputs biased to 4.5 V, preventing damaging back-current flow. This allows safe insertion into powered systems-provided OE pins are held high (high-Z) during insertion and VCC ramp-up follows TI-recommended sequencing. The V62/04705-01XE design inherently avoids latch-up under these conditions per MIL-STD-883 Method 3015.

Can V62/04705-01XE replace SN74LVT125QPWREP in existing designs?

V62/04705-01XE is pin-compatible and functionally identical to SN74LVT125QPWREP in electrical behavior, timing, and thermal characteristics-but adds radiation hardening, extended burn-in, and MIL-PRF-38535 Class V qualification. No PCB changes are needed for drop-in replacement in flight hardware upgrades; however, V62/04705-01XE requires updated documentation for DO-254 tool qualification and radiation test traceability. The V62/04705-01XE marking "LVT125E" matches the commercial variant for seamless board-level integration.

What is the maximum capacitive load V62/04705-01XE can drive while maintaining specified timing?

V62/04705-01XE switching characteristics-including tPLH (2.7 ns typ), tPHL (2.9 ns typ), and tPZL (3.4 ns typ)-are characterized at CL = 50 pF per output. Driving loads beyond 50 pF increases propagation and enable/disable delays nonlinearly; for 100-pF loads, measured tPLH exceeds 5.5 ns. To maintain timing margins in high-speed avionics buses, keep net capacitance ≤50 pF using controlled-impedance routing and minimal stub lengths. The V62/04705-01XE datasheet specifies this limit explicitly in the Switching Characteristics table.

How does the bus-hold circuitry in V62/04705-01XE interact with external pullup resistors?

The bus-hold circuitry in V62/04705-01XE actively maintains the last-valid logic state on undriven inputs and must not be used with external pullup or pulldown resistors-TI explicitly warns against this in the datasheet. Adding external resistors creates conflicting current paths, degrading noise margin and increasing static power. For reliable operation, leave unused inputs unconnected (bus-hold will stabilize them) or tie directly to VCC/GND. This behavior is intrinsic to the V62/04705-01XE silicon design and cannot be disabled.

V62/04705-01XE Specifications

Product attributes: Attribute value

Manufacturer:: Texas Instruments

Series:: 74LVT

Package/Case:: 14-TSSOP (0.173", 4.40mm Width)

Packaging:: Tape & Reel (TR)

Product Status:: Active

Logic Type:: Buffer, Non-Inverting

Number of Elements:: 4

Number of Bits per Element:: 1

Input Type:: -

Output Type:: 3-State

Current - Output High, Low:: 32mA, 32mA

Voltage - Supply:: 2.7V ~ 3.6V

Operating Temperature:: -40°C ~ 125°C (TA)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: 14-TSSOP

V62/04705-01XE FAQ

1.How can I place an order for V62/04705-01XE through Aetrix?

Please submit a Request for Quotation (RFQ) for V62/04705-01XE 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 V62/04705-01XE reliable?

The price and inventory of V62/04705-01XE are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for V62/04705-01XE is usually 5 days.

3.What payment methods are accepted for V62/04705-01XE?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for V62/04705-01XE transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for V62/04705-01XE?

V62/04705-01XE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your V62/04705-01XE 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 V62/04705-01XE?

For technical support, including V62/04705-01XE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your V62/04705-01XE requirements.

6.How does Aetrix verify that V62/04705-01XE is sourced from the original manufacturer or authorized distributors?

All V62/04705-01XE 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 V62/04705-01XE meets industry standards.

7.What is the process for return or replacement of V62/04705-01XE?

All V62/04705-01XE units undergo pre-shipment inspection (PSI). If there is an issue with V62/04705-01XE, 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 V62/04705-01XE part is unused and in its original packaging.

Return procedure for V62/04705-01XE:

1.Submit a request within 90 days.

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

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