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Texas Instruments 5962-8681201EA
- Part No.:
- 5962-8681201EA
- Manufacturer:
- Texas Instruments
- Package:
- -
- Datasheet:
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5962-8681201EA.pdf
- Description:
- SN54HC368 HEX INVERTING BUS DRIV
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Product details
Overview
5962-8681201EA from Texas Instruments is a military-grade hex inverting 3-state buffer/driver IC designed for high-density bus interface and memory address driving in harsh-environment systems. It operates from 2 V to 6 V, delivers ±6-mA output drive at 5 V, features typical propagation delay of 10 ns, and supports −55°C to +125°C operation in CDIP package.
For engineers reviewing the 5962-8681201EA datasheet, 5962-8681201EA pinout, 5962-8681201EA application, or 5962-8681201EA equivalent, this device serves as a radiation-tolerant, high-reliability logic interface for aerospace avionics, missile guidance control, and spaceborne telemetry subsystems requiring guaranteed performance across extreme temperature and voltage transients.
Technical Context
The 5962-8681201EA implements dual 4-line/2-line inverting buffer architecture with two active-low 3-state enable inputs (1OE, 2OE). Each buffer passes inverted data from A inputs to Y outputs when its OE is low; outputs enter high-impedance state when OE is high - enabling bidirectional bus sharing without external isolation.
It uses silicon-gate CMOS technology compliant with MIL-PRF-38535 Class B requirements, delivering 80-µA max ICC at 6 V, 1 µA max input current, and robust ±20-mA clamp current protection on all I/O pins - critical for ESD resilience and latch-up immunity in flight-critical digital backplanes.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 2 V to 6 V - supports wide-input rail tolerance for unregulated or battery-backed systems |
| Propagation Delay (tpd) | 10 ns typical at VCC = 5 V, CL = 50 pF - enables reliable timing in 50-MHz synchronous bus interfaces |
| Output Drive | ±6 mA at VCC = 5 V - drives up to 15 LSTTL loads directly, eliminating need for external line drivers |
| Input Current | 1 µA max - minimizes loading on upstream logic and reduces power budget impact in large-scale address decoding trees |
| Operating Temperature | −55°C to +125°C - qualified per MIL-STD-883 for sustained operation in jet engine bays and orbital thermal cycles |
| 3-State Enable Logic | Active-low (1OE, 2OE) - allows synchronized bus release using common enable signals in multi-device memory controllers |
| Quiescent Current | 80 µA max at VCC = 6 V - ensures ultra-low standby power in always-on telemetry monitoring circuits |
Pinout & Package
5962-8681201EA is housed in a 16-pin Ceramic Dual In-line Package (CDIP-J), hermetically sealed for moisture resistance and thermal stability in vacuum or high-humidity environments. Package dimensions conform to JEDEC MS-012, with 0.3-inch body width and 0.6-inch length.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | 1OE | Active-low enable for first 4-channel buffer group - controls Y1–Y4 high-impedance state |
| 2 | 1A1 | Inverting input for first buffer - drives Y1 with logical complement of applied signal |
| 3 | 1Y1 | Inverted output corresponding to 1A1 - provides noise-immune signal inversion with bus-drive capability |
| 4 | 1A2 | Inverting input for second buffer - independent channel for address bit or control signal inversion |
| 5 | 1Y2 | Inverted output corresponding to 1A2 - electrically isolated from other Y outputs until enabled |
| 6 | 1A3 | Inverting input for third buffer - supports multi-bit address bus segmentation |
| 7 | 1Y3 | Inverted output corresponding to 1A3 - maintains signal integrity under heavy capacitive loading |
| 8 | GND | Ground reference - must be connected to system chassis ground for EMI suppression and latch-up prevention |
| 9 | VCC | Positive supply - requires local 0.1-µF ceramic decoupling adjacent to pin for transient current delivery |
| 10 | 2OE | Active-low enable for second 2-channel buffer group - independently gates Y1/Y2 of second section |
| 11 | 2A2 | Inverting input for fourth buffer - used for clock inversion or status signal conditioning |
| 12 | 2Y2 | Inverted output corresponding to 2A2 - shares same 3-state control as 2A1/2Y1 |
| 13 | 2A1 | Inverting input for fifth buffer - enables dual-purpose use with shared enable logic |
| 14 | 2Y1 | Inverted output corresponding to 2A1 - supports differential pair generation when paired with non-inverting path |
| 15 | 1A4 | Inverting input for sixth buffer - completes full hex functionality for parallel data path inversion |
| 16 | 1Y4 | Inverted output corresponding to 1A4 - final channel for address/data bus inversion in 16-bit systems |
Key Features
| Feature | Design Value |
|---|---|
| Wide Supply Range (2–6 V) | Enables interoperability across legacy 5-V and modern low-voltage subsystems without level-shifting circuitry |
| High-Current 3-State Outputs | Delivers ±6-mA drive at 5 V while maintaining high-impedance isolation - eliminates bus contention in multiplexed memory architectures |
| Low Input Current (1 µA max) | Reduces fan-out loading on preceding logic stages - critical for cascaded address decoder chains in large FPGA-based systems |
| MIL-PRF-38535 Qualified | Meets Class B screening including burn-in, temperature cycling, and radiation hardness assurance - required for DoD procurement |
| −55°C to +125°C Operation | Validated for continuous operation in jet turbine compartments and satellite payload bays without derating |
Applications
| Avionics Data Bus Interface | Missile Guidance Control Unit |
|---|---|
Use Scenario: Bidirectional ARINC 429-compatible bus driver in flight management computer backplane. IC Role / Device Role / Timing Role: Inverts and buffers address/control signals between microcontroller and PROM memory array while enabling/disabling bus access via 1OE/2OE. Use Value: Eliminates external bus transceivers by providing direct 15-LSTTL load drive and guaranteed 10-ns timing margin at 5 V. | Use Scenario: Memory address register driver in inertial measurement unit (IMU) processor module. IC Role / Device Role / Timing Role: Inverts and latches 16-bit address lines to SRAM and flash storage with simultaneous 3-state control during DMA bursts. Use Value: Ensures deterministic timing across −55°C to +125°C range with no propagation delay drift exceeding ±15%. |
| Satellite Telemetry Encoder | Launch Vehicle Power Sequencer |
Use Scenario: Signal conditioning stage in CCSDS-compliant telemetry encoder handling housekeeping sensor data. IC Role / Device Role / Timing Role: Inverts serial command bits and enables/disables transmission path using 2OE to prevent spurious RF emissions during idle periods. Use Value: Provides 80-µA max quiescent current to extend battery life during 72-hour pre-launch hold mode. | Use Scenario: Isolated control logic for pyro initiator sequencing in solid rocket motor ignition system. IC Role / Device Role / Timing Role: Buffers and inverts discrete arming signals from safety interlock controller before routing to dual-redundant firing circuits. Use Value: Delivers ±20-mA IOK clamp current protection against ESD events during pad operations and launch vibration. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar hex inverting buffer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SNJ54HC368J | Identical electrical specs and CDIP-J packaging; identical MIL-PRF-38535 Class B qualification; same marking and lot traceability. | No functional difference - alternate orderable part number for same physical device per TI's military ordering matrix. | Select SNJ54HC368J only if procurement documentation explicitly references that part number. |
| JM38510/65709BEA | Same pinout and DC/AC specs; manufactured by different QML-38535 vendor (e.g., Microsemi); may differ in internal die lot traceability and test report format. | Approved for identical DoD platforms but requires separate qualification review if substituting across vendors in Type Certificate programs. | Use JM38510/65709BEA only when mandated by existing BOM or platform-specific configuration control board approval. |
Compared with SNJ54HC368J (identical form-fit-function variant) and JM38510/65709BEA (cross-vendor QML-qualified alternative), 5962-8681201EA offers guaranteed TI-manufactured traceability, integrated radiation test reports, and direct TI technical support for anomaly resolution - critical for mission-critical hardware acceptance testing.
Availability
5962-8681201EA is available at Aetrix Electronics and suitable for avionics data bus interface, missile guidance control unit, and satellite telemetry encoder applications requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for 5962-8681201EA 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 logic solutions for aerospace, defense, and industrial markets.
The 5962-8681201EA belongs to TI's military HC logic family, engineered to meet MIL-PRF-38535 Class B requirements for use in flight-critical digital systems where failure is not an option.
FAQ
What is the absolute maximum supply voltage rating for the 5962-8681201EA?
The absolute maximum supply voltage for the 5962-8681201EA is −0.5 V to +7 V, as specified in the Absolute Maximum Ratings table. Operation beyond this range risks permanent damage. For reliable function, maintain VCC within the recommended 2 V to 6 V range per the datasheet. The 5962-8681201EA must never be powered with voltages exceeding 7 V, even momentarily during power-up or transient events.
Does the 5962-8681201EA support hot-swap or live-insertion into a powered backplane?
No, the 5962-8681201EA does not support hot-swap operation. Its absolute maximum ratings do not include live insertion stress conditions, and the device lacks built-in hot-swap protection circuitry such as slew-rate limiting or undervoltage lockout. Inserting the 5962-8681201EA into a powered system may cause bus contention, latch-up, or I/O damage due to uncontrolled power sequencing. Always power down the host system before installing or removing the 5962-8681201EA.
What is the maximum capacitive load the 5962-8681201EA can drive while maintaining specified tpd?
The 5962-8681201EA's switching characteristics are characterized at CL = 50 pF and CL = 150 pF. At 50 pF, typical tpd is 10 ns (VCC = 5 V); at 150 pF, typical tpd increases to 17 ns. While the device can drive higher capacitance, propagation delay degrades linearly beyond 150 pF. For designs requiring ≤10 ns tpd, keep total load capacitance ≤50 pF - including PCB trace, connector, and downstream input capacitance - to ensure timing compliance in the 5962-8681201EA application.
Are unused inputs on the 5962-8681201EA required to be terminated, and if so, how?
Yes, all unused inputs on the 5962-8681201EA must be held at a valid logic level - either VCC or GND - to prevent floating nodes that could cause excessive ICC, oscillation, or erratic output behavior. TI's application report SCBA004 mandates this practice. Leaving inputs unconnected violates the recommended operating conditions and may result in unpredictable operation or increased power consumption. For the 5962-8681201EA, tie each unused A input directly to VCC or GND using a short PCB trace; do not rely on pull-up/down resistors unless necessary for system-level signal integrity.
Is the 5962-8681201EA RoHS compliant, and what finish is used on its leads?
The 5962-8681201EA is not RoHS compliant in the standard sense, as it uses a tin-lead (SnPb) lead finish per MIL-PRF-38535 Class B requirements for military-grade reliability. Its lead finish is specified as "Call TI" in TI's packaging addendum, indicating traditional SnPb plating rather than lead-free alternatives. This makes the 5962-8681201EA exempt from EU RoHS Directive 2011/65/EU under Annex III exemption 7a for aerospace and defense applications. Confirm finish specification with TI's latest QML documentation before soldering.
5962-8681201EA 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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5962-8681201EA FAQ
1.How can I place an order for 5962-8681201EA through Aetrix?
Please submit a Request for Quotation (RFQ) for 5962-8681201EA 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 5962-8681201EA reliable?
The price and inventory of 5962-8681201EA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 5962-8681201EA is usually 5 days.
3.What payment methods are accepted for 5962-8681201EA?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 5962-8681201EA transactions.
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4.How is shipping managed for 5962-8681201EA?
5962-8681201EA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 5962-8681201EA 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 5962-8681201EA?
For technical support, including 5962-8681201EA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 5962-8681201EA requirements.
6.How does Aetrix verify that 5962-8681201EA is sourced from the original manufacturer or authorized distributors?
All 5962-8681201EA 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 5962-8681201EA meets industry standards.
7.What is the process for return or replacement of 5962-8681201EA?
All 5962-8681201EA units undergo pre-shipment inspection (PSI). If there is an issue with 5962-8681201EA, 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 5962-8681201EA part is unused and in its original packaging.
Return procedure for 5962-8681201EA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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