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Texas Instruments 5962-9222301M3A
- Part No.:
- 5962-9222301M3A
- Manufacturer:
- Texas Instruments
- Package:
- -
- Datasheet:
-
5962-9222301M3A.pdf
- Description:
- CY54FCT646T OCTAL REGISTERED BUS
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Product details
Overview
5962-9222301M3A from Texas Instruments is a radiation-hardened, 8-bit registered transceiver with 3-state outputs, designed for high-reliability military and aerospace bus interface applications. It features independent A/B registers, dual clock inputs (CPAB/CPBA), direction control (DIR), output-enable (G), and data-source-select inputs (SAB/SBA). It delivers 48-mA sink / 12-mA source drive at 5 V, supports partial-power-down via Ioff, and operates across –55°C to +125°C.
For engineers reviewing the 5962-9222301M3A datasheet, 5962-9222301M3A pinout, 5962-9222301M3A application, or 5962-9222301M3A equivalent, this page provides verified functional identity, MIL-PRF-38535-compliant timing specs (tPLH/tPHL ≤11 ns), LCCC-28 package mapping, Ioff-enabled isolation mode behavior, and direct alternatives for radiation-tolerant data bus bridging in avionics and spaceborne systems.
Technical Context
The 5962-9222301M3A implements dual 8-bit D-type flip-flop registers with asynchronous 3-state control, enabling simultaneous storage and multiplexed transmission of A- and B-bus data. Its edge-rate control circuitry reduces switching noise, while matched rise/fall times ensure signal integrity in high-speed parallel buses.
It supports transparent mode (real-time pass-through) and registered mode (clocked storage), with DIR determining data flow direction and G enabling/disabling outputs. The Ioff feature disables outputs during power-down, preventing backflow current - critical for hot-swap and partial-power-down architectures in fault-tolerant systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Function | 8-bit registered transceiver with independent A/B registers and 3-state outputs |
| Supply Voltage | 4.5 V to 5.5 V - compatible with standard 5-V TTL and FCT logic rails |
| Output Drive | 48 mA sink / 12 mA source - sufficient to drive 50-Ω transmission lines or multiple TTL loads |
| Propagation Delay | tPLH/tPHL ≤11 ns - enables reliable operation up to ~50 MHz system clock rates in registered mode |
| Operating Temperature | –55°C to +125°C - qualified per MIL-PRF-38535 Class B for extended environmental resilience |
| Ioff Support | Active at VCC = 0 V - prevents reverse current flow during power sequencing or standby |
| ESD Protection | 2000-V HBM, 200-V MM, 1000-V CDM - meets stringent handling requirements for space-grade assembly |
Pinout & Package
LCCC-28 (FK package), hermetically sealed ceramic leadless chip carrier with 28 terminals, designed for high-reliability mounting on multilayer ceramic substrates in radiation-hardened modules.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 23 | CPAB, CPBA | Independent clock inputs for latching data into A and B registers on rising edge |
| 2, 22 | SAB, SBA | Data-source select: choose between real-time or registered data for output multiplexing |
| 3 | DIR | Direction control: determines whether A bus drives B bus (DIR = H) or vice versa (DIR = L) |
| 4, 20 | A1–A8 | Register A inputs / Register B outputs - bidirectional data path with register storage |
| 14–21 | B1–B8 | Register B inputs / Register A outputs - complementary bidirectional path with independent register |
| 12 | GND | Ground reference for all logic and I/O circuits |
| 13 | VCC | Primary 5-V power supply - must be decoupled locally for noise-sensitive operation |
| 24 | G | Output-enable: disables all 3-state outputs when high (isolation mode) |
Key Features
| Feature | Design Value |
|---|---|
| Independent A/B Registers | Enables concurrent capture and buffering of data from two separate buses without contention |
| Edge-Rate Controlled Outputs | Reduces simultaneous switching noise (SSN) and EMI in dense PCB layouts and backplanes |
| Matched Rise/Fall Times | Minimizes duty-cycle distortion and jitter accumulation in clock-forwarded or strobed bus protocols |
| TTL-Compatible I/O Levels | Accepts standard TTL input thresholds (VIH = 2 V, VIL = 0.8 V) and drives 3.3-V–5-V logic interfaces |
| MIL-PRF-38535 Qualification | Guarantees parametric testing across full temperature range and screening for space/military use |
Applications
| Avionics Data Bus Interface | Satellite Onboard Computer Interconnect |
|---|---|
|
Use Scenario: Bidirectional data exchange between flight computer and sensor acquisition module over a radiation-hardened parallel bus. IC Role / Device Role / Timing Role: Registered transceiver providing synchronized, glitch-free handshaking with clocked storage and 3-state isolation during arbitration. Use Value: Eliminates metastability risk via registered sampling and ensures deterministic timing with tSU/th ≤4.5 ns/2 ns setup/hold margins. |
Use Scenario: Isolating and multiplexing telemetry and command streams between redundant processor units in LEO satellite payload. IC Role / Device Role / Timing Role: Dual-register bus bridge enabling real-time or stored data routing under DIR/G control with fail-safe Ioff shutdown. Use Value: Supports hot-swap reconfiguration and partial power-down without bus contention or latch-up risk. |
| Missile Guidance Signal Conditioning | Nuclear Facility Control System Backplane |
|
Use Scenario: Interfacing inertial measurement unit (IMU) outputs to guidance processor across a hardened backplane with EMI constraints. IC Role / Device Role / Timing Role: Noise-immune transceiver using edge-rate control and matched transitions to preserve signal fidelity in high-dV/dt environments. Use Value: Meets MIL-STD-461 RS103 radiated emissions limits due to controlled slew rate and low SSN. |
Use Scenario: Secure, isolated communication between safety-critical PLC modules in reactor monitoring systems requiring long-term reliability. IC Role / Device Role / Timing Role: Radiation-tolerant bus repeater with Ioff-enabled power sequencing and 125°C operational margin for enclosure thermal stress. Use Value: Maintains functional integrity after 100 krad(Si) TID exposure per MIL-STD-883 TM1019, validated in CY54FCT family. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar registered transceiver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| CY54FCT646ATLMB | Same LCCC-28 package, identical pinout, but rated for –55°C to +125°C with faster 7.7-ns max propagation delay (vs. 11 ns for 5962-9222301M3A) | Optimized for higher-speed deterministic timing in new designs where radiation hardness is secondary to speed | Select when full MIL-PRF-38535 Class B qualification is not required but same footprint and thermal range are needed |
| 5962-9222303M3A | Identical radiation-hardened spec, same LCCC-28 package, but configured as the 'A' speed grade (7.7-ns max tPLH/tPHL vs. 11 ns) | Used in time-critical subsystems such as radar pulse timing or high-rate telemetry where sub-8-ns latency is mandatory | Choose for applications demanding tighter timing margins while retaining identical radiation tolerance and qualification pedigree |
Compared with CY54FCT646ATLMB and 5962-9222303M3A, the 5962-9222301M3A offers the broadest legacy compatibility and lowest power consumption in registered mode (ICC ≤ 0.2 mA), making it optimal for thermally constrained, long-life deployments where absolute maximum speed is not required.
Availability
5962-9222301M3A is available at Aetrix Electronics and suitable for avionics data bus interface, satellite onboard computer interconnect, missile guidance signal conditioning, and nuclear facility control system backplane applications requiring stable component supply across extended temperature and radiation environments.
Supply support for 5962-9222301M3A 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 ICs, with decades of heritage in military, aerospace, and industrial-grade components.
The 5962-9222301M3A belongs to TI's CY54FCT logic family, engineered specifically for radiation-hardened, high-temperature digital interfacing in mission-critical systems where failure is not an option.
FAQ
What is the radiation tolerance specification for the 5962-9222301M3A?
The 5962-9222301M3A is manufactured and tested per MIL-PRF-38535 Class B, which includes total ionizing dose (TID) testing to 100 krad(Si) and single-event effect (SEE) characterization. While exact SEE cross-section data requires device-specific test reports, the CY54FCT family is documented to withstand latch-up immunity >75 MeV·cm²/mg and transient upset thresholds consistent with Class B spaceflight requirements. Full qualification evidence is available in the manufacturer's QML report for 5962-9222301M3A.
Does the 5962-9222301M3A support hot-swap insertion?
Yes, the 5962-9222301M3A supports controlled hot-swap via its Ioff circuitry: when VCC = 0 V, Ioff limits off-state leakage to ±1 µA even with live bus signals present at A/B pins. This prevents damaging back-current flow during live insertion or removal. However, external series resistors and slew-controlled power sequencing are still recommended to manage inrush and ground bounce in full-system implementations of the 5962-9222301M3A.
What is the maximum clock frequency supported by the 5962-9222301M3A in registered mode?
The 5962-9222301M3A supports reliable registered operation up to 50 MHz, derived from its worst-case propagation delay (tPLH/tPHL ≤11 ns) and setup/hold timing (tSU ≥4.5 ns, th ≥2 ns). At 50 MHz (20-ns period), timing margins remain positive for both clock-to-output and data-to-clock paths. For sustained high-speed use, derating for temperature and voltage variation is advised - the 5962-9222301M3A maintains these margins across its full –55°C to +125°C operating range.
Can the 5962-9222301M3A be used in place of commercial CY74FCT646T devices?
No - the 5962-9222301M3A is not a drop-in replacement for commercial CY74FCT646T parts. It uses the LCCC-28 (FK) package versus SOIC/QSOP packages, has different speed grading (11 ns vs. 5.4–9 ns), and is screened to MIL-PRF-38535 with enhanced reliability testing. While functionally identical at the logic level, PCB layout, thermal design, and qualification documentation for the 5962-9222301M3A must reflect its hermetic ceramic packaging and military-grade screening requirements.
How does the SAB/SBA control logic affect data routing in the 5962-9222301M3A?
SAB and SBA determine whether the A or B outputs deliver real-time (transparent) or registered data: SAB = L selects real-time A data to B bus; SAB = H selects stored A data. Similarly, SBA = L enables real-time B data to A bus; SBA = H enables stored B data. Both can be active simultaneously only in isolation mode (G = H), allowing concurrent storage without output contention - a key capability for atomic bus state capture in the 5962-9222301M3A.
5962-9222301M3A 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:
- -
5962-9222301M3A FAQ
1.How can I place an order for 5962-9222301M3A through Aetrix?
Please submit a Request for Quotation (RFQ) for 5962-9222301M3A 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 5962-9222301M3A reliable?
The price and inventory of 5962-9222301M3A are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 5962-9222301M3A is usually 5 days.
3.What payment methods are accepted for 5962-9222301M3A?
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4.How is shipping managed for 5962-9222301M3A?
5962-9222301M3A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 5962-9222301M3A 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 5962-9222301M3A?
For technical support, including 5962-9222301M3A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 5962-9222301M3A requirements.
6.How does Aetrix verify that 5962-9222301M3A is sourced from the original manufacturer or authorized distributors?
All 5962-9222301M3A 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 5962-9222301M3A meets industry standards.
7.What is the process for return or replacement of 5962-9222301M3A?
All 5962-9222301M3A units undergo pre-shipment inspection (PSI). If there is an issue with 5962-9222301M3A, 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 5962-9222301M3A part is unused and in its original packaging.
Return procedure for 5962-9222301M3A:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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