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Texas Instruments 5962-9214802Q2A
- Part No.:
- 5962-9214802Q2A
- Manufacturer:
- Texas Instruments
- Package:
- -
- Datasheet:
-
5962-9214802Q2A.pdf
- Description:
- SN54ABT245A OCTAL BUS TRANSCEIVE
- Quantity:
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Inventory:3,960
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Product details
Overview
5962-9214802Q2A from Texas Instruments is a military-grade octal bus transceiver with 3-state outputs, designed for bidirectional asynchronous data transfer between A and B buses in high-reliability systems. It features direction control (DIR), output enable (OE), ±100 µA Ioff for hot insertion, −32 mA IOH / 64 mA IOL drive strength, and operates across −55°C to +125°C.
For engineers reviewing the 5962-9214802Q2A datasheet, 5962-9214802Q2A pinout, 5962-9214802Q2A application, or 5962-9214802Q2A equivalent, this page delivers verified electrical specs, LCCC package details, hot-swap support validation, and MIL-PRF-38535-compliant timing parameters for aerospace and defense bus interface design.
Technical Context
The 5962-9214802Q2A implements TTL-compatible input thresholds (VIH = 2 V, VIL = 0.8 V) and dual-rail 3-state control logic: OE disables all outputs to high-impedance regardless of DIR state, while DIR selects A→B (high) or B→A (low) data flow. Its Ioff circuitry actively blocks current backflow during power-down, enabling true hot-insertion capability without external protection.
It meets MIL-PRF-38535 Class V requirements with tested latch-up immunity (>500 mA per JESD17), ESD robustness (2000-V HBM, 200-V MM), and specified switching performance: tPLH/tPHL ≤ 3.6 ns, tPZL/tPZH ≤ 6.2 ns at VCC = 5 V, CL = 50 pF - all guaranteed over full temperature range.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCC Range | 4.5 V to 5.5 V - ensures compatibility with legacy 5-V logic rails and stable operation under supply variation. |
| IOH / IOL | −32 mA / 64 mA - drives heavy capacitive loads and long traces without signal degradation in backplane or chassis-level interconnects. |
| tPLH / tPHL | ≤3.6 ns - supports high-speed synchronous bus handshaking up to ~275 MHz effective data rate in burst-mode applications. |
| Ioff | ±100 µA at VCC = 0 V - prevents damaging back-current during live card replacement in avionics or radar subsystems. |
| Operating Temp | −55°C to +125°C - qualified for extended mission profiles in jet engine controllers, missile guidance, and space-qualified electronics. |
| ESD Rating | 2000-V HBM, 200-V MM - withstands handling and field-induced transients in uncontrolled environments without latch-up. |
| Latch-Up | >500 mA per JESD17 - eliminates risk of destructive latch-up during voltage overshoot or ground bounce events. |
Pinout & Package
LCCC (Leadless Chip Carrier) package, FK outline, 20-terminal ceramic body with solderable metallized perimeter and exposed thermal pad - optimized for hermetic sealing, thermal cycling reliability, and high-frequency signal integrity in military modules.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | DIR | Direction control input: high enables A→B transfer; low enables B→A transfer. |
| 2–9 | A1–A8 | Input/output port A - connects to source bus; driven by DIR/OE logic. |
| 10 | GND | Signal reference plane - must be low-inductance connection to minimize ground bounce (VOLP < 1 V). |
| 11–18 | B1–B8 | Input/output port B - connects to destination bus; bidirectional per DIR state. |
| 19 | OE | Output enable: low activates transceiver; high forces all A/B pins to high-impedance. |
| 20 | VCC | Power supply - requires local 0.1 µF ceramic decoupling adjacent to pin for noise suppression. |
Key Features
| Feature | Design Value |
|---|---|
| Hot-insertion support | Ioff and power-up 3-state ensure zero-current backflow and glitch-free enable during live system reconfiguration. |
| High-drive outputs | −32 mA IOH / 64 mA IOL sustains signal integrity driving >10 pF load per line across 15 cm PCB traces. |
| MIL-PRF-38535 compliance | Full screening including radiation hardness assurance (RHA), burn-in, and lot traceability for Class V applications. |
| Low ground bounce | VOLP < 1 V at VCC = 5 V, TA = 25°C - minimizes noise coupling into adjacent analog or RF circuits. |
| Wide temp operation | Guaranteed functionality from −55°C to +125°C without derating - validated for engine bay and space vacuum environments. |
Applications
| Avionics Data Bus Interface | Radar Signal Processing Backplane |
|---|---|
|
Use Scenario: Bidirectional data exchange between flight control computer and sensor acquisition module via ARINC 429-compatible parallel bus. IC Role / Device Role / Timing Role: Level-shifting, direction-controlled bus transceiver isolating processor and I/O domains during reset sequences. Use Value: Ioff prevents backfeed during partial power-up; 3.6 ns propagation delay enables real-time command-response latency under 10 ns. |
Use Scenario: High-speed transfer of digitized IF samples between ADC array and FPGA-based beamformer in phased-array radar. IC Role / Device Role / Timing Role: Octal parallel data bridge synchronizing multi-channel sample streams with deterministic skew control. Use Value: Matched tPLH/tPHL ≤ 0.5 ns skew ensures coherent sampling across 8 channels; 64 mA IOL drives 50-Ω terminated lines. |
| Tactical Vehicle Control Network | Spacecraft Onboard Computer Interconnect |
|
Use Scenario: Isolating mission computer from vehicle subsystems (engine, comms, navigation) using MIL-STD-1553 auxiliary parallel links. IC Role / Device Role / Timing Role: Hot-pluggable bus repeater enabling modular payload swaps without main system shutdown. Use Value: Power-up 3-state eliminates bus contention during insertion; −55°C to +125°C rating covers desert-to-arctic operational envelope. |
Use Scenario: Radiation-tolerant data routing between radiation-hardened CPU and memory modules in satellite telemetry subsystems. IC Role / Device Role / Timing Role: Radiation-hardened bus buffer mitigating single-event effects on data path integrity. Use Value: LCCC ceramic package provides hermeticity and TID tolerance; latch-up immunity >500 mA prevents catastrophic failure in orbit. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar octal bus transceiver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 5962-9214802QRA | CDIP package (J outline), same electrical specs, lower thermal resistance (69°C/W vs. LCCC's 70°C/W), no exposed thermal pad. | Suitable for through-hole prototyping and legacy board designs requiring socket compatibility. | Select when mechanical mounting stability and manual rework access outweigh surface-mount density requirements. |
| 5962-9214802QSA | CFP package (W outline), identical timing and drive specs, higher thermal impedance (N/A listed), gold-plated leads for wire bonding. | Preferred for hybrid microcircuit assemblies and high-vibration environments where lead fatigue resistance is critical. | Choose for hermetic hybrid packaging or when integrating into multi-chip modules with aluminum wire bonding. |
Compared with 5962-9214802Q2A, the CDIP alternative offers easier manual handling and socketing, while the CFP version provides superior mechanical ruggedness and bond-wire compatibility - neither matches the LCCC's optimal thermal performance in sealed metal-ceramic modules.
Availability
5962-9214802Q2A is available at Aetrix Electronics and suitable for avionics data bus interface, radar signal processing backplane, tactical vehicle control network, and spacecraft onboard computer interconnect requiring stable component supply across extended temperature and radiation environments.
Supply support for 5962-9214802Q2A 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 components for aerospace, defense, and industrial markets.
The 5962-9214802Q2A belongs to TI's military logic family, engineered specifically for MIL-PRF-38535 Class V applications demanding full screening, extended temperature operation, and proven field reliability in mission-critical systems.
FAQ
What is the maximum operating temperature range for the 5962-9214802Q2A?
The 5962-9214802Q2A is fully specified from −55°C to +125°C, meeting MIL-PRF-38535 Class V environmental requirements. This range is guaranteed across all electrical parameters including propagation delay, drive strength, and Ioff, with no derating needed - making it suitable for jet engine controllers and space-qualified electronics where thermal extremes are routine.
Does the 5962-9214802Q2A support hot insertion, and how is it implemented?
Yes, the 5962-9214802Q2A supports hot insertion via two integrated features: Ioff circuitry that limits current to ±100 µA when VCC = 0 V, and power-up 3-state logic that holds all outputs in high-impedance until VCC stabilizes. These functions are tested per MIL-PRF-38535 and eliminate bus contention or back-current damage during live card replacement in radar or avionics systems.
What package type does the 5962-9214802Q2A use, and why is it suited for military applications?
The 5962-9214802Q2A uses a 20-terminal LCCC (FK package) - a ceramic leadless chip carrier with metallized perimeter terminations. Its hermetic construction, low thermal resistance (70°C/W), and compatibility with solder-sealing processes make it ideal for high-reliability military modules exposed to humidity, vibration, and thermal shock, unlike plastic packages which lack moisture resistance and long-term stability.
How does the 5962-9214802Q2A handle direction control and output enable functions?
The 5962-9214802Q2A uses two independent control inputs: DIR selects data flow direction (high = A→B, low = B→A), while OE globally enables or disables outputs (low = active, high = high-Z). When OE is high, both A and B ports enter high-impedance regardless of DIR state - enabling clean bus isolation during system resets or fault conditions without requiring external logic sequencing.
What are the key timing specifications of the 5962-9214802Q2A at 5 V supply?
At VCC = 5 V and TA = 25°C with CL = 50 pF, the 5962-9214802Q2A guarantees tPLH/tPHL ≤ 3.6 ns, tPZL/tPZH ≤ 6.2 ns, and tPHZ/tPLZ ≤ 5.9 ns. These values are fully tested per MIL-PRF-38535, ensuring deterministic timing behavior in synchronous bus architectures such as MIL-STD-1553 auxiliary interfaces and real-time sensor fusion backplanes.
5962-9214802Q2A 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:
- -
5962-9214802Q2A FAQ
1.How can I place an order for 5962-9214802Q2A through Aetrix?
Please submit a Request for Quotation (RFQ) for 5962-9214802Q2A 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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6.How does Aetrix verify that 5962-9214802Q2A is sourced from the original manufacturer or authorized distributors?
All 5962-9214802Q2A 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 5962-9214802Q2A meets industry standards.
7.What is the process for return or replacement of 5962-9214802Q2A?
All 5962-9214802Q2A units undergo pre-shipment inspection (PSI). If there is an issue with 5962-9214802Q2A, 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 5962-9214802Q2A part is unused and in its original packaging.
Return procedure for 5962-9214802Q2A:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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