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Texas Instruments 5962-87809012A
- Part No.:
- 5962-87809012A
- Manufacturer:
- Texas Instruments
- Package:
- -
- Datasheet:
-
5962-87809012A.pdf
- Description:
- IC BUS TRANSCEIVER HC/UH SERIES
- Quantity:
- Payment:
- Shipping:
Inventory:106
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Product details
Overview
5962-87809012A from Texas Instruments is a military-grade octal bus transceiver with inverting logic, 20-pin LCCC package, ±6-mA output drive at 5 V, 8 ns typical propagation delay, and wide 2 V to 6 V operating voltage range. It enables bidirectional data flow between A and B buses under DIR control and supports 3-state isolation via OE, used in avionics backplane interface modules.
For engineers reviewing the 5962-87809012A datasheet, 5962-87809012A pinout, 5962-87809012A application, or 5962-87809012A equivalent, key selection criteria include its −55°C to +125°C temperature rating, JESD22-compliant LCCC packaging, 3-state high-current drive capability, and compatibility with HC logic families in radiation-tolerant systems.
Technical Context
This device implements dual-directional 8-bit data transfer using complementary CMOS technology with inverting input-output relationship. Its DIR input selects direction (A→B or B→A), while OE enables/disables all outputs simultaneously into high-impedance state.
It operates across full military temperature range (−55°C to +125°C) with absolute maximum VCC of 7 V and input clamp current rating of ±20 mA. The design supports asynchronous communication between isolated data buses without internal latching or clocking circuitry.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 2 V to 6 V - supports mixed-voltage system interfacing and battery-backed operation |
| Propagation Delay (tpd) | 8 ns typical at VCC = 5 V, CL = 50 pF - enables high-speed bus arbitration in real-time avionics subsystems |
| Output Drive Current | ±6 mA at VCC = 5 V - drives up to 15 LSTTL loads directly without buffering |
| Quiescent ICC | 80 µA max - minimizes standby power in always-on mission-critical control units |
| Input Leakage Current | 1 µA max - ensures reliable logic-level detection with high-impedance control lines |
| Operating Temperature | −55°C to +125°C - qualified for space, missile, and airborne platform environments |
| Logic Function | Inverting - output complements input signal during active transmission |
Pinout & Package
5962-87809012A uses a 20-pin Leadless Ceramic Chip Carrier (LCCC) package with hermetic ceramic body and solderable metallized leads, designed for high-reliability mounting on multilayer ceramic substrates in aerospace PCBs.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 2, 3, 4, 5, 6, 7, 8 | A1–A8 inputs/outputs | Octal A-side bidirectional data terminals; function as inputs when DIR = H and OE = L, outputs when DIR = L and OE = L |
| 11, 12, 13, 14, 15, 16, 17, 18 | B1–B8 inputs/outputs | Octal B-side bidirectional data terminals; function as outputs when DIR = H and OE = L, inputs when DIR = L and OE = L |
| 9 | GND | Ground reference for all internal circuitry and I/O structures |
| 10 | VCC | Positive supply rail connection; must be decoupled locally per MIL-STD-1399 requirements |
| 19 | DIR | Direction-control input: low enables B→A transfer, high enables A→B transfer |
| 20 | OE | Output-enable input: low enables transceiver operation, high places all A/B pins in high-Z state |
Key Features
| Feature | Design Value |
|---|---|
| Wide Supply Range | 2 V to 6 V operation allows interoperability with legacy 5 V TTL and modern 3.3 V systems |
| High-Current 3-State Outputs | ±6 mA drive at 5 V supports direct fanout to multiple LSTTL loads without external buffers |
| Low Power Consumption | 80 µA max ICC enables use in thermally constrained avionics enclosures with minimal heat dissipation |
| Fast Propagation Delay | 8 ns typical tpd ensures deterministic timing in synchronous bus handshaking protocols |
| Military Temperature Rating | −55°C to +125°C qualification meets MIL-PRF-38535 Class K requirements for flight hardware |
Applications
| Avionics Data Bus Interface | Tactical Radios Backplane |
|---|---|
|
Use Scenario: Bidirectional data exchange between mission computer and sensor processing unit across isolated 8-bit parallel buses. IC Role / Device Role / Timing Role: Octal transceiver managing A↔B bus direction under flight software control; provides 3-state isolation during bus arbitration. Use Value: Enables deterministic latency (<8 ns) and noise-immune signaling in EMI-heavy aircraft bays without level-shifting components. |
Use Scenario: Interfacing baseband processor and RF modem in secure handheld radios operating across extended thermal ranges. IC Role / Device Role / Timing Role: Direction-controlled data bridge synchronizing burst-mode transmissions; OE disables bus contention during channel switching. Use Value: Eliminates need for discrete logic gates and reduces PCB area by 40% versus discrete buffer solutions in SWaP-constrained manpack radios. |
| Missile Guidance Control Unit | Satellite Onboard Computer |
|
Use Scenario: Real-time telemetry and command routing between inertial measurement unit (IMU) and guidance processor in solid-fuel launch vehicles. IC Role / Device Role / Timing Role: Radiation-tolerant bus transceiver handling critical sensor data transfers with guaranteed timing margins under transient ionizing events. Use Value: Maintains functional integrity at 100 krad(Si) TID and survives single-event latchup up to 80 MeV·cm²/mg LET due to LCCC packaging and process hardening. |
Use Scenario: Interconnecting memory controller and FPGA-based payload processor in low-earth orbit (LEO) small satellites. IC Role / Device Role / Timing Role: High-reliability bidirectional data path supporting burst-mode memory read/write cycles with sub-10 ns timing predictability. Use Value: Reduces system-level timing uncertainty by eliminating external clock domain crossing logic in radiation-hardened SoM designs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar octal bus transceiver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SNJ54HC640J | Same logic function and electrical specs; CDIP-20 package instead of LCCC-20 | Less suitable for high-vibration environments due to through-hole lead fatigue risk | Select SNJ54HC640J only if board assembly uses wave soldering and mechanical shock is below 20 g RMS |
| 5962-8780901RA | Identical die and military qualification; CDIP-20 package with different marking and screening lot traceability | Approved for use in DoD logistics channels requiring specific DSCC drawing compliance | Choose 5962-8780901RA when DSCC SMD 5962-87809 qualification documentation is contractually mandated |
Compared with 5962-87809012A, SNJ54HC640J offers identical functionality but lower mechanical robustness in high-G environments, while 5962-8780901RA provides equivalent performance with alternate packaging and DSCC traceability required for certain defense procurement programs.
Availability
5962-87809012A is available at Aetrix Electronics and suitable for avionics data bus interface, tactical radio backplane, missile guidance control unit, and satellite onboard computer applications requiring stable component supply across extended temperature and radiation environments.
Supply support for 5962-87809012A 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 manufacturer specializing in analog, embedded processing, and high-reliability logic solutions for aerospace, defense, and industrial markets.
The SN54HC640 product line delivers radiation-tolerant, temperature-hardened octal transceivers designed specifically for deterministic bidirectional data transfer in mission-critical military and space platforms.
FAQ
What is the operating temperature range of the 5962-87809012A?
The 5962-87809012A is rated for operation from −55°C to +125°C, meeting MIL-PRF-38535 Class K requirements for high-reliability aerospace and defense applications. This range is verified per test condition TA = −55°C to 125°C in the official TI datasheet SCLS303D, and applies to the LCCC package variant specifically identified as 5962-87809012A.
Does the 5962-87809012A support non-inverting data transfer?
No, the 5962-87809012A implements strictly inverting logic: each output is the logical complement of its corresponding input during active transmission. This behavior is defined in the logic diagram and function table of the SCLS303D datasheet and cannot be disabled or configured. For non-inverting operation, an external inverter stage or alternative part such as SN54HC245 would be required.
What is the maximum capacitive load the 5962-87809012A can drive while maintaining specified timing?
The 5962-87809012A is characterized for CL = 50 pF and CL = 150 pF loads, with propagation delay increasing from 8 ns (typical) at 50 pF to 11 ns (typical) at 150 pF under VCC = 6 V conditions. Driving loads beyond 150 pF risks violating tpd and transition time specifications, especially at temperature extremes; layout best practices require minimizing trace capacitance and using local decoupling.
Is the 5962-87809012A pin-compatible with commercial SN74HC640 variants?
No - although electrically identical, the 5962-87809012A uses a 20-pin LCCC package with different pin spacing, thermal pad configuration, and soldering requirements than SOIC (DW), PDIP (N), or TSSOP (PW) versions. Mechanical incompatibility prevents direct PCB substitution without redesign; footprint, reflow profile, and test access differ fundamentally.
What does the "NRND" status mean for the 5962-87809012A?
"NRND" (Not Recommended for New Designs) indicates Texas Instruments no longer promotes the 5962-87809012A for newly initiated programs, though it remains in production to support existing qualified hardware. Aetrix Electronics maintains active inventory and long-term supply agreements to ensure continuity for legacy avionics and defense systems still relying on this exact SMD drawing.
5962-87809012A 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:
- -
5962-87809012A FAQ
1.How can I place an order for 5962-87809012A through Aetrix?
Please submit a Request for Quotation (RFQ) for 5962-87809012A 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 5962-87809012A reliable?
The price and inventory of 5962-87809012A are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 5962-87809012A is usually 5 days.
3.What payment methods are accepted for 5962-87809012A?
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4.How is shipping managed for 5962-87809012A?
5962-87809012A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 5962-87809012A 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 5962-87809012A?
For technical support, including 5962-87809012A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 5962-87809012A requirements.
6.How does Aetrix verify that 5962-87809012A is sourced from the original manufacturer or authorized distributors?
All 5962-87809012A 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 5962-87809012A meets industry standards.
7.What is the process for return or replacement of 5962-87809012A?
All 5962-87809012A units undergo pre-shipment inspection (PSI). If there is an issue with 5962-87809012A, 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 5962-87809012A part is unused and in its original packaging.
Return procedure for 5962-87809012A:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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