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Texas Instruments 5962-8984701RA
- Part No.:
- 5962-8984701RA
- Manufacturer:
- Texas Instruments
- Package:
- -
- Datasheet:
-
5962-8984701RA.pdf
- Description:
- SN54ACT241 OCTAL BUFFERS/DRIVERS
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Product details
Overview
5962-8984701RA from Texas Instruments is a military-grade octal buffer/driver IC with dual 4-bit noninverting 3-state outputs, 4.5–5.5 V supply operation, <8.5 ns propagation delay at 5 V, TTL-compatible inputs, and ±24 mA output drive capability. It serves in high-reliability bus interface and memory address driver applications within avionics and defense systems.
For engineers reviewing the 5962-8984701RA datasheet, 5962-8984701RA pinout, 5962-8984701RA application, or 5962-8984701RA equivalent, key selection criteria include its CDIP-J package, −55°C to +125°C operating range, dual independent 3-state enable control (1OE/2OE), and compatibility with legacy 5-V TTL and CMOS buses.
Technical Context
The 5962-8984701RA implements two independent 4-bit noninverting buffer sections, each with dedicated complementary output-enable inputs (1OE active-low, 2OE active-high). Its logic architecture ensures that when 1OE is low OR 2OE is high, data passes transparently from A inputs to Y outputs; otherwise, all eight outputs enter high-impedance state.
Designed for MIL-PRF-38535 Class V compliance, it features absolute maximum ratings up to 7 V supply, input/output voltage tolerance of −0.5 V to VCC+0.5 V, ±20 mA clamp current, and ±50 mA continuous output current - supporting robust operation under transient stress in harsh environments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCC Range | 4.5 V to 5.5 V - Ensures stable operation across standard 5-V military power rails with ±10% tolerance. |
| tpd (Max) | 8.5 ns at 5 V - Enables high-speed bus buffering in real-time avionics timing-critical paths. |
| IOH/IOL | −24 mA / +24 mA - Drives standard TTL loads directly without external pull-ups or level shifters. |
| VIH/VIL | 2.0 V / 0.8 V - Fully compatible with legacy TTL logic thresholds for seamless integration. |
| Operating Temp | −55°C to +125°C - Qualified for extended temperature operation in airborne, space, and ground vehicle platforms. |
| Output Type | 3-State (Hi-Z) - Allows multiple devices to share a common bus without contention during disable. |
| Input Clamp Current | ±20 mA - Protects against short-duration overvoltage transients on address/data lines. |
Pinout & Package
5962-8984701RA is supplied in a 20-pin Ceramic Dual In-line Package (CDIP-J), hermetically sealed for moisture resistance and long-term reliability in mission-critical deployments.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 2, 4, 5, 6, 7, 8, 9 | 1A1–1A4, 2A1–2A4 Inputs | Two independent 4-bit input groups accepting TTL/CMOS logic levels. |
| 11, 12, 13, 14, 15, 16, 17, 18 | 1Y1–1Y4, 2Y1–2Y4 Outputs | Noninverting buffered outputs with 3-state control per group. |
| 10 | 1OE | Active-low enable for first 4-bit section (1A→1Y path). |
| 19 | 2OE | Active-high enable for second 4-bit section (2A→2Y path). |
| 20 | VCC | +4.5 V to +5.5 V supply connection; decoupling capacitor required near pin. |
| 3 | GND | Ground reference for all I/O and internal circuitry; low-inductance return path essential. |
Key Features
| Feature | Design Value |
|---|---|
| Dual independent 3-state control | Separate 1OE (active-low) and 2OE (active-high) pins allow asymmetric bus arbitration and staggered enable sequencing. |
| TTL-compatible input thresholds | VIH = 2.0 V, VIL = 0.8 V - Interoperates directly with legacy 5-V TTL logic without level translation. |
| High noise immunity | Input hysteresis and ±20 mA clamp current suppress EMI-induced glitches on long harness runs. |
| MIL-PRF-38535 Class V qualification | Screened for radiation hardness, thermal cycling, and mechanical shock - certified for flight-critical subsystems. |
| Low power consumption | ICC ≤ 40 μA at 5.5 V - Minimizes heat generation and supports battery-backed standby modes. |
Applications
| Avionics Data Bus Interface | Secure Ground Vehicle Control |
|---|---|
Use Scenario: Isolating and driving ARINC 429 or MIL-STD-1553B bus address/data lines between LRUs. IC Role / Device Role / Timing Role: Bidirectional buffer with controlled 3-state output timing to prevent bus contention during hot-swap transitions. Use Value: 8.5 ns tpd and −55°C to +125°C operation ensure deterministic latency and reliability across aircraft altitude and temperature profiles. |
Use Scenario: Buffering command signals from ruggedized mission computers to actuator controllers in armored vehicles. IC Role / Device Role / Timing Role: Level-shifting and fan-out driver for TTL-compatible control buses exposed to ESD and conducted transients. Use Value: ±20 mA input clamping and hermetic CDIP-J packaging withstand MIL-STD-461E emissions and environmental stress screening. |
| Spacecraft Onboard Computer I/O | Nuclear Command & Control Systems |
Use Scenario: Driving memory-mapped I/O expansion in radiation-tolerant onboard computers aboard LEO satellites. IC Role / Device Role / Timing Role: High-reliability address latch buffer enabling synchronous access to SRAM and FPGA configuration space. Use Value: MIL-PRF-38535 Class V screening and 5-V rail compatibility eliminate need for custom voltage translation in legacy spacecraft architectures. |
Use Scenario: Secure signal conditioning in hardened command launch systems requiring fail-safe bus isolation. IC Role / Device Role / Timing Role: Dual-section 3-state gate preventing unauthorized signal injection during standby or maintenance modes. Use Value: Independent 1OE/2OE enables hardware-enforced dual-redundant enable logic, satisfying DoD ICD-503 safety interlock requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar octal 3-state buffer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SNJ54ACT241FK | LCCC-20 ceramic package; higher thermal resistance (θJA ≈ 120°C/W vs. CDIP-J's ~90°C/W); identical electrical specs. | Better vibration resistance but lower power dissipation margin; suited for PCBs with constrained airflow. | Select when board-level shock/vibration exceeds CDIP-J qualification limits, e.g., missile guidance modules. |
| 5962-8984701SA | CFP-20 metal/ceramic package; same temp range and logic behavior; different lead form (flat pack vs. DIP leads). | Requires retooling for wave soldering; superior EMI shielding but incompatible with standard DIP sockets. | Choose when electromagnetic integrity is prioritized over socket-based testability or field replacement. |
Compared with SNJ54ACT241FK and 5962-8984701SA, the 5962-8984701RA offers optimal balance of socket compatibility, thermal performance, and legacy system interoperability - making it the preferred choice for retrofitting and sustainment of deployed CDIP-based military platforms.
Availability
5962-8984701RA is available at Aetrix Electronics and suitable for avionics data bus interface, secure ground vehicle control, spacecraft onboard computer I/O, and nuclear command & control systems requiring stable component supply across extended product lifecycles.
Supply support for 5962-8984701RA 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 components for aerospace, defense, and industrial markets.
The SN54ACT241 family was developed to meet MIL-PRF-38535 Class V requirements for high-speed, low-power, radiation-tolerant bus interface ICs used in mission-critical electronic subsystems.
FAQ
What is the operating temperature range of the 5962-8984701RA?
The 5962-8984701RA is rated for operation from −55°C to +125°C, meeting MIL-PRF-38535 Class V environmental specifications. This range supports deployment in extreme environments including jet engine bays, space vehicle payload bays, and arctic ground stations - all while maintaining full electrical functionality and timing compliance per SCAS516C.
Does the 5962-8984701RA require external pull-up or pull-down resistors on its enable pins?
Yes - to ensure defined high-impedance state during power-up or brownout, TI recommends tying 1OE to VCC via a pull-up resistor and 2OE to GND via a pulldown resistor. The minimum resistor value depends on the driver's current-sourcing/sinking capability; typical values range from 1 kΩ to 10 kΩ based on system noise margins and rise/fall time targets for the 5962-8984701RA.
Is the 5962-8984701RA pin-compatible with commercial SN74ACT241 variants?
No - the 5962-8984701RA uses the CDIP-J package (20-pin ceramic DIP), whereas commercial SN74ACT241 variants use PDIP-N, SOIC-DW, SSOP-DB, or TSSOP-PW packages. While logic function and pin numbering match the J-package variant (SNJ54ACT241J), physical mounting, thermal profile, and qualification level differ significantly; PCB layout and socketing must be designed specifically for CDIP-J.
What is the maximum output current rating for the 5962-8984701RA?
The 5962-8984701RA supports ±24 mA DC output current per pin under recommended operating conditions (VCC = 4.5–5.5 V, TA = −55°C to +125°C). Absolute maximum ratings allow ±50 mA short-duration current, but sustained operation above ±24 mA requires thermal derating and verification against junction temperature limits specified in the SCAS516C datasheet for the 5962-8984701RA.
Can unused inputs on the 5962-8984701RA be left floating?
No - all unused inputs of the 5962-8984701RA must be tied to either VCC or GND to prevent oscillation, excessive supply current, or undefined logic states. TI's application report SCBA004 explicitly warns against floating CMOS inputs due to susceptibility to noise and potential latch-up; this requirement applies identically to the 5962-8984701RA given its ACT technology foundation.
5962-8984701RA 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:
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5962-8984701RA FAQ
1.How can I place an order for 5962-8984701RA through Aetrix?
Please submit a Request for Quotation (RFQ) for 5962-8984701RA 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 5962-8984701RA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 5962-8984701RA is usually 5 days.
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Once your 5962-8984701RA 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 5962-8984701RA?
For technical support, including 5962-8984701RA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 5962-8984701RA requirements.
6.How does Aetrix verify that 5962-8984701RA is sourced from the original manufacturer or authorized distributors?
All 5962-8984701RA 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 5962-8984701RA meets industry standards.
7.What is the process for return or replacement of 5962-8984701RA?
All 5962-8984701RA units undergo pre-shipment inspection (PSI). If there is an issue with 5962-8984701RA, 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 5962-8984701RA part is unused and in its original packaging.
Return procedure for 5962-8984701RA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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