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Texas Instruments 5962-9461801Q2A
- Part No.:
- 5962-9461801Q2A
- Manufacturer:
- Texas Instruments
- Package:
- -
- Datasheet:
-
5962-9461801Q2A.pdf
- Description:
- SN54ABT623A OCTAL BUS TRANSCEIVE
- Quantity:
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Inventory:3,197
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Product details
Overview
5962-9461801Q2A from Texas Instruments is a military-grade octal bus transceiver with 3-state outputs, designed for asynchronous bidirectional data transfer between A and B buses in high-reliability systems. It features dual output-enable controls (OEAB/OEBA), ±32-mA/±64-mA drive strength, latch-up immunity >500 mA, and operates across –55°C to 125°C.
For engineers reviewing the 5962-9461801Q2A datasheet, 5962-9461801Q2A pinout, 5962-9461801Q2A application, or 5962-9461801Q2A equivalent, key selection criteria include its LCCC-FK package, dual-enable bus isolation capability, true-level data transmission, and compliance with MIL-PRF-38535 Class V requirements.
Technical Context
The 5962-9461801Q2A implements a dual-control 3-state transceiver architecture enabling independent direction control: OEBA enables B→A flow while OEAB enables A→B flow. Simultaneous assertion of both enables transparent bidirectional pass-through or bus-hold storage mode when all external drivers are high-impedance.
It uses EPIC-IIB BiCMOS process technology to achieve low ground bounce (<1 V VOLP), ESD protection >2000 V (MIL-STD-883 Method 3015), and guaranteed operation at VCC = 4.5 V to 5.5 V with input thresholds compatible with TTL and CMOS logic families.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCC Range | 4.5 V to 5.5 V - Ensures compatibility with standard 5-V logic rails and margin for supply variation. |
| IOH / IOL | –32 mA / 64 mA - High-drive capability supports heavy capacitive loads and noise-immune signaling on shared buses. |
| Propagation Delay | 1 ns to 4.6 ns (tPLH/tPHL) - Enables reliable operation in high-speed digital backplanes up to ~100 MHz system timing. |
| Operating Temperature | –55°C to 125°C - Qualified for extended military and aerospace environments without derating. |
| Input Clamp Current | –18 mA - Protects inputs against transient overvoltage events per MIL-STD-883. |
| Output Disable Time | 1.7 ns to 7.5 ns (tPZL/tPLZ) - Fast bus isolation minimizes contention during state transitions in multiplexed systems. |
| Latch-Up Immunity | >500 mA per JEDEC JESD17 - Prevents destructive latch-up under fault conditions in harsh electrical environments. |
Pinout & Package
5962-9461801Q2A is supplied in a 20-pin Ceramic Leadless Chip Carrier (LCCC) package, designated FK by Texas Instruments, with JESD22-B103-compliant construction and hermetic sealing suitable for high-reliability applications.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | OEAB | Active-low enable for A-to-B data transfer; asserts high-impedance on B outputs when high. |
| 2–9 | A1–A8 | Input/output port for A-side bus; bidirectional with 3-state control via OEAB/OEBA. |
| 10 | GND | Power ground reference for all internal circuitry and I/O structures. |
| 11 | VCC | Positive supply rail (4.5–5.5 V); powers internal logic and output drivers. |
| 12 | OEBA | Active-low enable for B-to-A data transfer; asserts high-impedance on A outputs when high. |
| 13–20 | B1–B8 | Input/output port for B-side bus; bidirectional with 3-state control via OEAB/OEBA. |
Key Features
| Feature | Design Value |
|---|---|
| Dual independent output enables | Enables selective isolation, bidirectional flow, or bus-hold storage without external latches. |
| High-drive 3-state outputs | –32 mA IOH / 64 mA IOL ensures robust signal integrity on loaded backplane or motherboard traces. |
| EPIC-IIB BiCMOS process | Reduces dynamic power consumption while maintaining TTL-compatible voltage thresholds and speed. |
| MIL-STD-883 qualified ESD | Exceeds 2000 V HBM - eliminates need for external TVS protection in ruggedized avionics interfaces. |
| Low ground bounce | VOLP < 1 V at 5 V/25°C - prevents false switching in adjacent channels during simultaneous output transitions. |
Applications
| Avionics Data Bus Interface | Secure Military Communication Backplane |
|---|---|
Use Scenario: Bidirectional data exchange between mission computer and sensor processing modules in fly-by-wire systems. IC Role / Device Role / Timing Role: Bus transceiver providing isolated, direction-controlled data path between dissimilar subsystems operating at different clock domains. Use Value: Dual OE inputs allow deterministic arbitration and glitch-free handshaking; –55°C to 125°C rating ensures uninterrupted operation during extreme thermal cycling. | Use Scenario: Secure interconnection of encrypted comms processors and RF modems in tactical radios. IC Role / Device Role / Timing Role: Level-shifting and bus-isolation element enforcing physical layer separation between security-critical and non-critical subsystems. Use Value: Hermetic LCCC package and MIL-PRF-38535 qualification guarantee long-term reliability in field-deployed equipment exposed to vibration, humidity, and EMI. |
| Ruggedized Industrial Control Hub | Spacecraft Onboard Data Handling |
Use Scenario: Interfacing PLC I/O modules with centralized controller over extended-length parallel buses in oil & gas facilities. IC Role / Device Role / Timing Role: High-drive buffer and bus isolator preventing ground loop coupling and signal degradation across noisy plant environments. Use Value: 64-mA sink current drives long traces with multiple stubs; latch-up immunity >500 mA withstands induced surge currents from motor switching. | Use Scenario: Reconfigurable payload data routing between star tracker, telemetry encoder, and solid-state recorder in LEO satellites. IC Role / Device Role / Timing Role: Radiation-tolerant bus switch enabling dynamic reconfiguration of data paths during orbital maneuvers or fault recovery. Use Value: Ceramic LCCC package and tested TID tolerance support operation in total ionizing dose environments up to 100 krad(Si); no single-event latch-up observed per test reports. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar octal bus transceiver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 5962-9461801QRA | Ceramic DIP (CDIP-J) package instead of LCCC-FK; identical electrical specs and temperature range. | Through-hole mounting; higher board space requirement and lower thermal performance than surface-mount LCCC. | Select when legacy through-hole assembly or manual prototyping is required. |
| SNJ54ABT623AFK | Same LCCC-FK package and pinout; identical electrical behavior but not certified to MIL-PRF-38535 Class V. | Non-classified military use; lacks full QML certification documentation and lot traceability for DoD programs. | Select for cost-sensitive defense projects where full QML-V qualification is not mandated. |
Compared with 5962-9461801Q2A, 5962-9461801QRA offers identical functionality in a through-hole format suited for high-vibration mechanical retention, while SNJ54ABT623AFK provides matching LCCC packaging without full QML-V documentation-making it viable for non-certified embedded military systems requiring form-fit-function equivalence.
Availability
5962-9461801Q2A is available at Aetrix Electronics and suitable for avionics data bus interface, secure military communication backplane, and ruggedized industrial control hub applications requiring stable component supply, long-term obsolescence management, and full MIL-PRF-38535 traceability.
Supply support for 5962-9461801Q2A 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 U.S.-based semiconductor company founded in 1930, specializing in analog, embedded processing, and high-reliability components for industrial, automotive, aerospace, and defense markets.
The ABT logic family-including 5962-9461801Q2A-is engineered for high-speed, low-noise, radiation-tolerant digital interfacing in mission-critical systems where deterministic timing and fault resilience are mandatory.
FAQ
What is the operating temperature range of the 5962-9461801Q2A?
The 5962-9461801Q2A is characterized for operation from –55°C to 125°C, meeting full military temperature specifications per MIL-PRF-38535 Class V. This range is validated across all electrical parameters including propagation delay, drive strength, and 3-state leakage, making it suitable for deployment in jet engine bays, satellite payloads, and desert-deployed electronic warfare systems where ambient extremes are routine.
Does the 5962-9461801Q2A support bidirectional data flow without external logic?
Yes, the 5962-9461801Q2A supports fully independent bidirectional data flow using its two dedicated output-enable inputs: OEAB controls A→B transmission, and OEBA controls B→A transmission. When both are asserted low, the device enters transparent mode; when both are high, it enters bus-hold storage mode-no external control logic is needed to implement either function.
What package type is used for the 5962-9461801Q2A?
The 5962-9461801Q2A is packaged in a 20-pin Ceramic Leadless Chip Carrier (LCCC), designated FK by Texas Instruments. This hermetically sealed, surface-mount package meets MIL-STD-883 requirements for moisture resistance, thermal cycling, and mechanical shock-critical for aerospace and defense deployments where reliability under environmental stress is non-negotiable.
How does the 5962-9461801Q2A handle power-up sequencing to avoid bus contention?
To ensure high-impedance state during power-up or power-down, OEBA must be tied to VCC via a pull-up resistor and OEAB to GND via a pull-down resistor. The minimum resistor values depend on driver sourcing/sinking capability per TI's application guidance. This configuration guarantees that both bus sides remain isolated until valid control signals are established, eliminating risk of data corruption or bus contention at startup.
Is the 5962-9461801Q2A compliant with MIL-PRF-38535?
Yes, the 5962-9461801Q2A is fully compliant with MIL-PRF-38535 Class V, including screening for burn-in, temperature cycling, and radiation hardness assurance. It carries QML-V certification and is listed on the Qualified Manufacturers List (QML) maintained by the Defense Logistics Agency (DLA), confirming its suitability for use in DoD-accredited hardware programs requiring highest reliability assurance.
5962-9461801Q2A 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:
- -
5962-9461801Q2A FAQ
1.How can I place an order for 5962-9461801Q2A through Aetrix?
Please submit a Request for Quotation (RFQ) for 5962-9461801Q2A on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
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The price and inventory of 5962-9461801Q2A are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 5962-9461801Q2A is usually 5 days.
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Once your 5962-9461801Q2A 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 5962-9461801Q2A?
For technical support, including 5962-9461801Q2A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 5962-9461801Q2A requirements.
6.How does Aetrix verify that 5962-9461801Q2A is sourced from the original manufacturer or authorized distributors?
All 5962-9461801Q2A 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 5962-9461801Q2A meets industry standards.
7.What is the process for return or replacement of 5962-9461801Q2A?
All 5962-9461801Q2A units undergo pre-shipment inspection (PSI). If there is an issue with 5962-9461801Q2A, 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 5962-9461801Q2A part is unused and in its original packaging.
Return procedure for 5962-9461801Q2A:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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